Extrasolar Planets (updated catalogue)

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Sirius_Alpha
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Post #121by Sirius_Alpha » 06.08.2022, 18:44

I have basically completed writing a new programme to produce this addon. This is the third version of the programme I use for this. The innovation employed in the second version allowed me to automatically produce stellar systems with arbitrarily high numbers of stars by treating each stellar component as a sort of fork, with no distinction between barycenters and stars, where each node in this '<'-shaped fork can be either a barycenter or a star, and planets are handled as a separate kind of object where each node could have its own list of them. While this eliminated the need to handle multi-stellar systems manually, it also constrained this work to forcing orbits for binary stars, even when orbits weren't known. This new version can read the input files and split them into separate input groups based on whether or not there's enough information to create an orbit, effectively creating multiple separate systems. Furthermore the distinction between stars and planets is abolished, allowing for diverse planetary architectures (binary planets, etc), and the sharing of code between physically similar systems (star-star, star-planet, planet-moon, etc).

Since this is a re-write, a full change log would be impractical - and quite frankly beyond my ability to know - but the immediately obvious changes are the following: binary stars that lack input orbit info are no longer represented as orbiting a barycenter. This returns this addon into consistency with the original extrasolar.stc file's method of dealing with binary stars like, for example, υ And. Additionally, an optional .ssc file has been added which provides atmospheres for confirmed extrasolar planets. This file should be viewed as an optional fictitious addon for aesthetic purposes only.

Finally, unfortunately, a re-analysis of the HARPS RV's for Proxima Cen show that the signal for the c planet was spurious. There's now conflicting information here about whether or not the astrometry results are sufficiently to independently show the planet's existence. We're still very early into this debate, and we'll certainly hear more about this in the future. If this situation existed for a planet around any other star, the planet would be considered unconfirmed. We shouldn't allow ourselves to treat Proxima Cen c differently because it's a system that lies deep in all our hearts for obvious reasons, so I've demoted the c planet to unconfirmed. If future work strengthens the argument for its existence - and I hope it does - it'll switch back to confirmed in this addon.

I have not had time to focus on new unconfirmed TESS candidate planets. I'll catch up on that in the next update.

Because this was produced by a new programme, there may very well be errors in here. Please DM me if you see any. This work is by and for the Celestia community and has already benefited significantly from the contributions and corrections of others.

06 August 2022
- Added TOI-# ID's for known transiting planets detected by TESS (HAT-P-27=TOI-5672, WASP-57=TOI-5673, etc).
- Updated PSR B1620-26, OGLE-2018-BLG-0779L, TOI-2136, TOI-4551, TOI-4377, TOI-1422, NGTS-20, TOI-5153, AS 209, TOI-1478, CoRoT 659668516, CoRoT-34, CoRoT-35, CoRoT-36, WASP-80, WASP-166, HR 8799, HAT-P-1, K2-3, Proxima Centauri, HD 93963, GJ 3090, Kepler-289.
- Added MACHO 98-BLG-35, IM Lup, KMT-2021-BLG-0712L, KMT-2021-BLG-0909L, KMT-2021-BLG-2478L, KMT-2021-BLG-1105L.
- Removed HD 122430, HD 70573, HD 20367, CoRoT 102850921, CoRoT 110858446, CoRoT 310204242, CoRoT 659721996, TOI-4739, NGC 2682 SAND364.
- Updated masses of numerous Kepler planets from TTVs (Leleu, et al.).
- Fixed GJ 676A (thanks, pedro_jg!).
- Corrected disposition of GJ 3512 c (thanks SevenSpheres!).
- Removed duplicates of TIC 100103201, TIC 130370378 (thanks SevenSpheres!).

13,100 planets (+1 asteroid)
5224 confirmed.
7876 unconfirmed.
Attachments
CelestiaExoplanets_2022_08_06.zip
Catalogue of extrasolar planets up to date as of 06 August 2022.
(1.84 MiB) Downloaded 315 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #122by Sirius_Alpha » 22.08.2022, 03:40

About as I expected, that was an unmitigated disaster. Among the great disasters in history -- the crash of the Hindenberg, the sinking of the Titanic, etc -- the August 2022 update to the exoplanet catalogue will be right up there with them. That said, I am enormously grateful to everyone who pointed out errors, and really appreciate the independent quality checks. I've implemented quite a number of corrections and improvements to the code used to create this. As before, contact me if there are issues.

HD206893.png
The 3D orbits of HD 206983 B and c shown in Celestia.


22 Aug 2022
- 63 TESS candidate planets added (TOI-5669 through TOI-5740).
- 12 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added new TESS candidate planets in known TOI systems (TOI-1659, 1836, 2016, 2112, 2134).
- Added TOI-# ID's for known transiting planets detected by TESS (NGTS-5=TOI-5680, WASP-24=TOI-5685 etc).
- Updated HD 73583, HD 235088, HD 283636, HD 206893, TOI-2196, TOI-1452, HD 56414, G 9-40, TOI-836, VHS J125601.92-125723.9, MASCARA-4, K2-106, GJ 1252.
- Added RECX 5, OGLE-2017-BLG-1038L, OGLE-2019-BLG-0362L.
- Corrected numerous various issues (thanks pedro_jg and SevenSpheres!).
- Fixed some planet naming issues (thanks, Trolligi 112477 and Gurren Lagann!).
- Fixed time conversion for years.
- Corrected dispositions of HD 190622 b and HD 97260 b.

13,139 planets (+1 asteroid)
5230 confirmed.
7909 unconfirmed.
Attachments
CelestiaExoplanets_2022_08_22.zip
Catalogue of extrasolar planets up to date as of 21 Aug 2022.
(1.79 MiB) Downloaded 305 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #123by Sirius_Alpha » 17.09.2022, 19:45

One of the most exciting things to happen since the last update has been the publication of an absolute beast of a paper combining Gaia astrometry and Doppler spectroscopy from various surveys to determine the inclination and ascending nodes of numerous long-period planets (and brown dwarfs), as well as discovering many more. Among them is HD 81817, with 22 and 24 Jupiter-mass companions in 623 and 1021 day orbits. I'm going to interpret this as a sort of extreme ν Oph analogue (since ν Oph's "planets" have a higher total mass anyway).

Another exciting discovery is a long-period gas giant just 20 light years away in the GJ 896 system. The system has appeared as a quadruple system in prior versions of Celestia, though it is in reality binary. If you have an old version of nearstars.stc that shows the system like that, then you can find an updated nearstars.stc on the Celestia Git Hub here. Finally, another habitable planet candidate has been found in a system designated SPECULOOS-2.

SPEC-2.png
The recently discovered SPECULOOS-2 system with a habitable planet candidate.


Many things have been fixed since the last update (part of the reason this is so delayed), and there may still be further issues awaiting discovery. So it might be best to view this as still a work in progress (isn't it always?).

17 Sep 2022
- 42 TESS candidate planets added (TOI-5741 through TOI-5782).
- 2 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Updated Gaia14aae, TOI-1468, TOI-4562, 51 Eri, HD 77411, TOI-5174, TOI-5328, TOI-5398, HD 80606, HIP 65426, HD 45364, KELT-11, HATS-5, TOI-4306 (now SPECULOOS-2), Ross 458, µ Ara, BD-17 63, HD 81040, HD 132406, Kepler-444, HD 3167, TOI-1669, TOI-1694.
- Added GJ 896, KMT-2021-BLG-0119L, KMT-2021-BLG-0192L, KMT-2021-BLG-2294L, QZ Ser, LkCa 15.
- Removed 2MASS J21402931+1625183, 2MASS J22062280-2047058, 18 Sco, HD 197076.
- Updated and added numerous Gaia+RV planets from Feng, et al.
- Updated several M dwarf small planets from Luque, et al.
- Added missing unconfirmed outer planet at TOI-2196 (thanks, pedro_jg!).
- Added some binary systems that were originally RV planet candidates.
- Fixed some planet name ordering (thanks pedro_jg!).
- Fixed issue where stellar spin periods for pulsars were rounded to 0.
- Fixed issue where WD 1856+534 was excluded (thanks, SevenSpheres!).
- Corrected radius of NGC 2682 SAND978 (thanks Gurren Lagann, Fafers_br!).
- Corrected Kepler-1319 distance and Kepler-451 radius (thanks Trolligi!).
- Corrected mass of HD 20781 d (thanks SevenSpheres!).
- Corrected ξ Aql b semi-major axis (thanks Gurren Lagann!).
- Corrected spectral types of GJ 758 B and HD 206893 B (thanks pedro_jg!).
- Revised the disposition of some RV planets from Rosenthal, et al. (2021) (thanks pedro_jg!).

13,235 planets (+1 asteroid)
5302 confirmed.
7933 unconfirmed.
Attachments
CelestiaExoplanets_2022_09_17.zip
Catalogue of extrasolar planets up to date as of 17 Sep 2022.
(1.81 MiB) Downloaded 289 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #124by ajtribick » 18.09.2022, 12:35

What's the criterion for putting companions into extrasolar.stc vs extrasolar.ssc?

E.g. HD 28185 c (~20 Jupiter masses) is in extrasolar.stc as an L2 dwarf (which seems rather too warm, at least eyeballing the evolution curve for a 20 Jupiter mass object in https://arxiv.org/abs/astro-ph/0103383, it seems that this object should be close to the T/Y boundary for most published ages of the star)

Meanwhile extrasolar.ssc includes such objects as 2MASS J22062280-2047058 b (~86 Jupiter masses!!!), HD 284149 b (~32 Jupiter masses), HR 2562 b (~30 Jupiter masses).

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Post #125by Sirius_Alpha » 18.09.2022, 19:01

Hey there! - it's good to hear from you.

For HD 28185 c being an L2 dwarf, this is a result of the way the code I use adopts parameters for Mamajek's star relations. The only physical property of the object I have is the mass, and so it selects L2 since that's the closest match it has to the given mass -- largely because Mamajek's star relations chart only provides masses down to L2. I agree that it needs to be changed - I will look into adopting a better way of doing this.

Regarding 2MASS J22062280-2047058, thanks so much for pointing that out! Looks like I changed the mass in my notes after a paper revised it, but forgot to change its status away from being a planet. HD 284149 b was probably included because exoplanet.eu included it in their star database - perhaps under their 3σ rule. HR 2562 b is listed in the NASA Exoplanet Archive as a planet.

As for the standard I use, since I don't really want to be an arbiter of what side of the planet/brown-dwarf divide a specific object is on, I tend to just go with whatever the literature or other catalogues suggest, which in itself isn't particularly consistent.
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https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #126by Sirius_Alpha » 14.10.2022, 11:32

At the suggestion of ajtribick, I've changed the way lower-mass brown dwarfs and higher-mass planets are treated. Firstly, lower-mass brown dwarfs don't have mass-values in Mamajek's star relations, which has led to a lot of objects being left at an L spectral type (where Mamajek's relations stop in masses). So I've implemented some code to estimate the temperature of brown dwarfs from their mass and age (equation 2 from Burrows, et al. (2001)), and then look up the spectral type in Mamajek's star relations from that.

And then at the suggestion of pedro_jg, this was extended such that fluid planets' internal heating is calculated from Burrows+(2001) as well, and that plays a role in calculating the temperature of these planets. High-mass, young planets can now be assigned warm/hot Sudarsky classes based on the estimated temperature contributions from both the stellar insolation and heating flux contributions. This has fixed a discrepancy where only directly imaged planets that had explicit temperatures in the input data were assigned Sudarsky Class V, IV, etc.

Planets_Temperatures.png


14 Oct 2022
- 28 TESS candidate planets added (TOI-5783 through TOI-5825).
- 5 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added TOI-# ID's for known transiting planets detected by TESS (HAT-P-41=TOI-5793, Kepler-17=TOI-5794, etc).
- Updated HD 207832, HD 114613, HD 99706, WASP-43, HD 7449, HD 22946, TOI-5205, TOI-2000, TOI-1221, TOI-561.
- Added KOI-6837, HD 208068, HD 184010, NGTS-21, MOA-2020-BLG-208L, HD 145467, 2MASS J08350622+1953050.
- Fixed an issue where decimal KOI- and TOI- identifiers had an extraneous whitespace.
- Corrected Kepler-1660 AB ascending node and planet's period (thanks, SevenSpheres!).
- Corrected Kepler-25 e period (thanks pedro_jg!).
- Removed HD 10180 i, j (not in any recent work, especially in Kane (2014).
- Implemented a Temp-Age-Mass relation from Burrows (2001) for substellar (< 80 MJup) objects.
- Fixed neutron star temperature issue that prevented correct Sudarsky texture assignments.
- Added and updated binary star systems that were once considered planet candidates (thanks pedro_jg!).

13,268 planets (+1 asteroid)
5307 confirmed.
7961 unconfirmed.
Attachments
ExoplanetCatalogue_2022_10_14.rar
Catalogue of extrasolar planets up to date as of 14 Oct 2022.
(1.64 MiB) Downloaded 289 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #127by ajtribick » 16.10.2022, 11:14

Nice update.

One improvement that might be worth doing is setting the inclination of additional planets in systems with astrometric orbits. So calling the classes of objects:

  • Astrometric planets = known i, known Ω
  • Transiting planets = known i, unknown Ω
  • RV planets = unknown i, unknown Ω
This suggests the following procedure for filling in the missing orbital elements:

  1. Sum up the angular momentum vectors of the astrometric planets, use this to determine the Ω values for the transiting planets
  2. Sum up the angular momentum vectors of the astrometric+transiting planets, use this to determine the i and Ω for the RV planets
Doing a rough calculation for Gliese 676 neglecting the angular momentum of the stellar reflex orbit, this gives me the following orbital elements for planets d and e (see attached spreadsheet):

Code: Select all

Inclination 84.05339
AscendingNode -165.01301

The disadvantage of this is that the outermost planets will have the largest angular momenta, so this results in a system with d and e mostly aligned with the orbit of c rather than b. An alternative option might just be to align with the neighbouring planets instead (once again filling in transiting planets before the RV ones). In the case of Gliese 676 A where there are no transiting planets, this would lead to planets d and e being aligned with the orbit of planet b.

EDIT: Note that the process of filling in the orbital elements would need to be done before converting the elements to Celestia's reference frame, the example spreadsheet uses the output elements from extrasolar.ssc solely because I couldn't be bothered to do the transformation, and it sort of works when there aren't any transiting planets provided you pay no attention to ArgOfPericenter/orbital phase.
Attachments
gliese_676.zip
(4.16 KiB) Downloaded 214 times

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Post #128by Sirius_Alpha » 12.11.2022, 03:19

There's nearly a thousand new planet (candidate)s in this update.

The previous update broke radius estimations for brown dwarfs, causing some systems to be missing stellar components, or some low-mass planetary systems to be missing altogether. This has now been fixed. Additionally, the oblateness code was producing unrealistic results for inflated young planets, so a cap has been placed on the allowable oblateness.

11 Nov 2022
- 121 TESS candidate planets added (TOI-5826 through TOI-5945).
- 8 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added L 363-38, NGTS-23, NGTS-24, NGTS-25, HD 114082, GJ 463, seven microlensing systems from Zang, et al., and 838 new TESS candidate planets from Montalto (2022).
- Updated HD 102365, HD 18599, TOI-1136, TOI-969, HD 108236, K2-18, LTT 1445, TOI-3884, GJ 338, HIP 41378, HR 8799, TOI-2336, HD 20891, TOI-2521, TOI-4582, HD 196885, Kepler-33, AB Pic, HAT-P-14, Kepler-102.
- Updated 20 newly confirmed hot Jupiter TOI's from Yee, et al.
- Updated the radii of numerous stars (thanks pedro_jg!).
- Removed NY Vir, EPIC 211705502, EPIC 205979483,
- Added candidate and validated Kepler-K2 planets from del Ser, et al.
- Fixed an error where cirucmbinary planet systems weren't being marked in scripts.
- Fixed a name format issue for unconfirmed TOI planets in binary systems ("TOI-nnnnA.01").
- Fixed an error in orbital period calculation of single-transit planet candidates (thanks, Gurren_Lagann!).
- Fixed exomoon candidates.
- Fixed SDSS J122859.93+104032.9.

14,255 planets (+1 asteroid)
5355 confirmed.
8900 unconfirmed.
Attachments
Exoplanets_2022_11_11.zip
Catalogue of extrasolar planets up to date as of 11 Nov 2022.
(1.94 MiB) Downloaded 273 times
Last edited by Sirius_Alpha on 12.11.2022, 07:46, edited 1 time in total.
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #129by Sirius_Alpha » 12.11.2022, 03:25

ajtribick wrote:One improvement that might be worth doing is setting the inclination of additional planets in systems with astrometric orbits.
What's currently done is that all known inclinations and ascending nodes are averaged and assigned to planets where those parameters aren't known before the orbit conversion. It seems like this is occurring correctly for GJ 676. It looks gross but it's what I expect it to look like. What would be the advantage of finding the average angular momentum vector?
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Post #130by ajtribick » 12.11.2022, 11:27

Ah that probably explains why the orientation is so weird, averaging Euler angles (which is what the orbital elements actually are) doesn't really give anything useful. And the average of elements leads to certain ambiguities: e.g. to reproduce GJ 676, I see I need to compute Ω as the average of 48.201° and 303.621° (which differ by 255.48°), rather than 48.201° and -56.379° (which differ by 104.58°) which would give a different orientation.

Geometrically, the natural thing to find some average orientation would be to combine the normal vectors of the orbits, which can be done by treating the inclination as polar angle and the ascending node as longitude. So for the jth planet the unit normal vector would be

x_j = cos(Ω_j)*sin(i_j)
y_j = sin(Ω_j)*sin(i_j)
z_j = cos(Ω_j)

Then compute the (weighted) sum of the normal vectors (x, y, z) and convert back to orbital elements

Ω = atan2(y, x)
i = acos(clamp(z / sqrt(x²+y²+z²), -1, 1)) - where clamp is used to avoid NaN in case of numerical errors returning a result outside [-1,1]

Weighting by orbital angular momentum gives the invariable plane of the planets with known orientations, which is a physically-reasonable-ish way to do the averaging. But setting all weights to 1 is probably fine tbh.

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Post #131by Sirius_Alpha » 11.12.2022, 12:15

December update. I'm still hoping to implement the fix suggested by ajtribick upthread, I just haven't really had the time recently to work on it.

Kepler-1513bi.png
Kepler-1513b and it's candidate exomoon


11 Dec 2022
- 62 TESS candidate planets added (TOI-5946 through TOI-6008).
- Added new TESS candidate planets in known TOI systems (TOI-1301, TOI-1806).
- Added TOI-# ID's for known transiting planets detected by TESS (HAT-P-40=TOI-5959, HAT-P-8=TOI-5960, etc).
- 9 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Updated TOI-1695, Kepler-1513, TOI-181, TOI-277, BD+47 1863, TRAPPIST-1, 51 Eri, TOI-270, PSR J0636+5129, PSR J1311-3430, TOI-1288, HD 109833, Qatar-6, 55 Cnc, TOI-1260.
- Added BD+60 1417, HD 167768, 29 Cyg, HD 114082, GJ 1002
- Updated and added stellar companion orbits for 69 planet-hosting stars.
- Completed HD 144844 (thanks, pedro_jg!) and ROXs 42.
- Fixed exomoon naming format.
- Fixed rotations of solid bodies.

14,296 planets (+1 asteroid)
5368 confirmed.
8928 unconfirmed.
Attachments
Exoplanets_2022_12_11.zip
Catalogue of extrasolar planets up to date as of December 11, 2022
(2.45 MiB) Downloaded 244 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #132by Sirius_Alpha » 01.01.2023, 18:34

Happy New Years to everyone. 2022 was the fourth best year on record for exoplanets, with 371 total confirmations. This was microlensing's best year both by percentage of confirmations as well as total for the year. It was also Doppler Spectroscopy's best year yet in terms of total confirmations, though of course it hasn't - and likely never will - regain the dominance it had from the 1990's through until the 2010's. I hope everyone has a great 2023, and I look forward to the finds that this new year will bring.

01 January 2023
- 13 TESS candidate planets added (TOI-6009 through TOI-6026).
- 12 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added TOI-# ID's for known transiting planets detected by TESS (HAT-P-28=TOI-6013, WASP-1=TOI-6014, etc).
- Updated TOI-2076, TOI-216, Kepler-138, HD 115447, Kepler-80, TOI-1470, GJ 806.
- Added KMT-2018-BLG-2119L, Wolf 1069.
- Fixed stellar orbits for HD 18015 and HD 114719 (thanks, pedro_jg!).
- Added missing orbit parameters in 82 Eri, HD 219314 (thanks SevenSpheres!).
- Added stellar companions for 19 planet-hosting stars (thanks pedro_jg!).
- Updated orbit "averaging" for unknown inclinations/nodes as described in this post (thanks, ajtribick!).

14,303 planets (+1 asteroid)
5374 confirmed.
8929 unconfirmed.
Attachments
Exoplanets_2023_01_01.zip
Catalogue of extrasolar planets up to date as of 01 Jan 2023.
(1.96 MiB) Downloaded 242 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #133by gironde » 11.01.2023, 18:00

in extrasolar.ssc for planet b of HIP 27803, it is write :
"GJ 221 b:BD-06 1339 c:b" "HIP 27803"

:hi:

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Post #134by Sirius_Alpha » 12.01.2023, 16:12

The system was independently discovered by two groups that assigned it different names (even from different catalogues). The planet at 125 days is referred to in Curto (2013) as BD-06 1339 c, and in Arriagada (2013) as GJ 221 b.
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Post #135by Sirius_Alpha » 04.02.2023, 07:06

04 February 2023
- 12 TESS candidate planets added (TOI-6027 through TOI-6042).
- 12 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added TOI-# ID's for known transiting planets detected by TESS (HAT-P-29=TOI-6028, HAT-P-32=TOI-6031, etc).
- Updated 75 Cet, HD 114082, ε Ind, HD 13931, HD 115954, HD 219077, HD 222155, GJ 9482, TOI-700, LHS 475, GJ 806, HD 189733, WASP-19, GJ 7, GJ 1018, HD 13386, HD 27196, TOI-470, HAT-P-13, HAT-P-16, WASP-32, Elias 24, HD 52470, TOI-1338, TOI-1899, HD 163296, GJ 463, K2-415, OGLE-2016-BLG-1195L.
- Added PSR J1326-4728H, KMT-2022-BLG-0440L, RX J1604.3-2130.
- Removed PSR J0636+5129, GJ 205.
- Updated spin-orbit (mis-)alignments of several hot Jupiters (Bourrier, et al.)
- Updated the radii of several transiting brown dwarfs (Carmichael, 2022).
- Updated several newly validated TOI's (Mistry (2023)).
- Fixed issue where TOI planets in binary systems were getting TOI-NNNNA.01 IDs.
- Fixed issue where exoplanet IAU formal names were not promoted to the front.
- Fixed issue that removed planets with only K_RV and Semi-Major Axis known (i.e., HD 24040 d).
- Fixed HD 4113 C orbit.

HD163296_Celestia.jpg
A system of planets at HD 163296 suspected from disk morphology.


14323 planets (+1 asteroid)
5397 confirmed.
8926 unconfirmed.
Attachments
Exoplanets_2023_02_04.zip
Catalogue of extrasolar planets up to date as of 04 February 2023.
(1.96 MiB) Downloaded 203 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Post #136by Sirius_Alpha » 03.03.2023, 14:21

03 March 2023
- 32 TESS candidate planets added (TOI-6044 through TOI-6080).
- 13 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added TOI-# ID's for known transiting planets detected by TESS (HAT-P-62=TOI-6043, HAT-P-15=TOI-6049, etc).
- Updated WASP-30, HN Peg, XO-3, WASP-47, TOI-640, ν2 Lup, TOI-3884, HR 2562, AU Mic, TOI-2525, TOI-3984, TOI-5293, TOI-3235, 18 Sco, 61 Vir, π Men, TIC 279401253, HD 169142.
- Added NGC 7789 TR-1, 2 and 3, NGC 2099 HGH 70127, HD 15115, PA-99-N2, 2MASS J17595014-2739369, AF Lep, KMT-2019-BLG-0298L, KMT-2019-BLG-1216L, KMT-2019-BLG-2783L, OGLE-2019-BLG-0249L, OGLE-2019-BLG-0679L, HIP 104045.
- Added 196 new TESS CTOI planets from Melton, et al.
- Removed UNSW-TR-29, HD 85512, HD 114613,
- Updated several Kepler systems from Cañas, et al.
- Updated the rotation vectors of several stars with directly imaged planets (Bowler, et al.).
- Corrected unit conversion error in temperatures for stars < 80 MJup and age specified in Myr.
- Fixed HD 28192 (thanks, pedro_jg!).

14,542 planets (+1 asteroid)
5406 confirmed.
9136 unconfirmed.
Attachments
Exoplanets_2023_03_03.zip
Catalogue of extrasolar planets up to date as of 03 March 2023.
(1.99 MiB) Downloaded 246 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Sirius_Alpha
Posts: 213
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With us: 5 years 1 month

Post #137by Sirius_Alpha » 02.04.2023, 00:37

02 April 2023

- 114 TESS candidate planets added (TOI-6081 through TOI-6184).
- 10 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added new TESS candidate planets in known TOI systems (WASP-84, TOI-1533, TOI-1757, etc).
- Added TOI-# ID's for known transiting planets detected by TESS (Kepler-720=TOI-6090, Kepler-4=TOI-6089, etc).
- Updated HD 76920, HAT-P-26, OGLE-2003-BLG-235L, KELT-10, TOI-2096, DI Tau, TOI-4603, TOI-4127, TOI-615, TOI-622, TOI-2641, β Pic, HD 63433.
- Added δ Pav, TIC 365102760, HD 18438, LHS 3154, 2MASS J04124068+2438157, OGLE-2016-BLG-1635L, MOA-2016-BLG-532L, KMT-2016-BLG-0625L, OGLE-2016-BLG-1850L, KMT-2016-BLG-1751L.
- Updated 80 planets thanks to their astrometric detection by Xiao, et al.
- Removed KOI-6705.
- Corrected TOI-836c mass, removed 82 Eri c, WASP-18c, dispositions of HAT-P-7c and Kepler-1130d (thanks SevenSpheres!).
- Corrected ε Eri b (thanks Chara!).

TRAPPIST-1b_Atmosphere_Flag.png
JWST observations have revealed TRAPPIST-1b lacks an atmosphere.


14,634 planets (+1 asteroid)
5418 confirmed.
9216 unconfirmed.
Attachments
Exoplanets_2023_04_02.zip
Catalogue of extrasolar planets up to date as of 2023 April 01.
(1.97 MiB) Downloaded 199 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Sirius_Alpha
Posts: 213
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Post #138by Sirius_Alpha » 03.07.2023, 14:02

It's wonderful to see the forums returned. The last update was in April, and it's now July. Rather than posting three separate updates to the Exoplanet Catalogue, I'll just bundle it all into one and publish it for July.

I did some work coordinate cross-matching Gaia DR3 sources in the Non-Single Stars 'SB1' spectroscopic binary list with unconfirmed transiting planet candidates. There were a lot of matches, and they tended to fall into a few main categories:
1. The Gaia DR3 source in the SB1 list matches the Gaia DR3 source for the candidate planet host, and the orbital period in the RV fit matches the period in the transit fit from Kepler/K2 or TESS. In this case, I think it's pretty clear that we're seeing confirmation of an eclipsing binary system. Since the nature of this phenomenon is unambiguous, I've removed these matches from the exoplanet catalogue.
2. The Gaia DR3 RV source in the SB1 list matches the Gaia DR3 source for the candidate planet host, but the RV period does not match the period in the transit fit. I've decided to leave these alone for now. It's possible that Gaia is detecting longer-period stellar companions to known planet hosts, but these companions would be in rather short periods for known exoplanet hosts. Some of RV periods would create a highly unstable system if we assume both the transit candidate and RV signal are real. Of course, it's also possible that there's some aliasing of the RV period, the transit period, or both. A subset of these systems were where the RV period was greater than the transiting period by almost exactly a factor of 2 (or occasionally 3). It's possible that there's an RV alias or a missed transit by TESS. These particular systems are almost certainly eclipsing binaries, though I can't be certain what exactly is going on. Since the nature of the system is ambiguous, I've left these situations alone for now.
3. The Gaia DR3 RV source in the SB1 list does not match the Gaia DR3 source for the candidate planet host, but the RV period does match the period in the transit fit. In this case, what is almost certainly happening here is there is an eclipsing binary on a different star in the same pixel and it shows up as a blend in the TESS data. Since the nature of this phenomenon is unambiguous, I've removed these from the exoplanet catalogue.

Altogether 106 unconfirmed transiting planet candidates were kicked out of the catalogue, and for each of them a note was put on their page in the ExoFOP detailing these findings.

RhoCrB.png
A multi-planet system at ρ CrB.


03 July 2023
- 358 TESS candidate planets added (TOI-6185 through TOI-6549).
- 47 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added new TESS candidate planet in known TOI systems (TOI-1027, TOI-2081, TOI-4647, etc).
- Added TOI-# ID's for known transiting planets detected by TESS (HATS-38=TOI-6269, NGTS-18=TOI-6273, etc).
- Updated V1298 Tau, TOI-4406, TOI-2338, TOI-2589, K2-136, 51 Eri, TOI-3785,K2-233, TOI-733, TOI-2095, AU Mic, WASP-131, HD 17156, HD 47186, HD 31221, GJ 1018, TOI-715, GJ 1214, HD 42936, TOI-2498, HD 298656, WASP-84, LP 791-18, K2-21, 14 Her, TOI-1842, TOI-1130, TOI-1859, TOI-1416, TOI-5678, GJ 328, GJ 649, GJ 849, HD 12572, HD 22946, HD 15906, TOI-4010, ρ CrB, TOI-2018, TOI-1470, TOI-908, γ Cep, HD 307824, TOI-2084, TOI-4184, 8 UMi, HIP 8152, HD 42813, HD 25463, TOI-699, HD 135694, HD 6061, TOI-1736.
- Added three candidates from Urakawa (2016), LOri167, MOA-2022-BLG-249L, KMT-2021-BLG-2010L, KMT-2022-BLG-0371L, KMT-2022-BLG-1013L, eight new transiting planet candidates from Yakovlev, et al, BD+21 2816, Chang 134, K2-416, K2-417, EPIC 246251988, HIP 54597, BD-21 397, HD 74698, HD 94771, SRGeJ045359.9+62244, PSR J1953+1844.
- Removed HD 9986.
- Updated several Kepler systems (1), (2) with new RV follow-up.
- Updated disposition of planets in 59 Kepler systems, adding identifiers out to Kepler-2001 (Valizadegan, et al.)
- Fixed issue where PA's didn't correctly position some celestial bodies on orbits with inherited planes.
- Fixed PDS 70, ROXs 12, K2-136 B and HD 206893 (thanks pedro_jg!).
- Corrected transit ephemerides for planet candidates from Foreman-Mackey (2016) (thanks, pedro_jg)!
- Excluded about a hundred transiting planet candidates with Gaia DR3 NSS data.
- Planets specified as airless now forced to have a terrestrial texture, regardless of density (fixes GJ 1252 b).
- Removed seven TOIs that were duplicates of already-known planets.
- Updated empheredes for several hot Jupiters.
- Updated orbits for some long-period directly imaged objects.
- Added several stellar companions to TOI systems.
- Added stellar companions to GJ 3634.
- Added IAU assigned names for planets and their stars from NameExoworlds2022.
- Fixed AS 209 (thanks Trolligi!), Kepler-421 (thanks pedro_jg!) and GJ 15 (thanks SevenSpheres!).
- Removed InfoURL's for stars that don't have explicit citations in the input notes.
Attachments
Exoplanets_2023_07_03.zip
Catalogue of extrasolar planets up to date as of 03 July 2023.
(2.11 MiB) Downloaded 490 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Sirius_Alpha
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Post #139by Sirius_Alpha » 04.08.2023, 01:49

03 August 2023
- 45 TESS candidate planets added (TOI-6550 through TOI-6598).
- 13 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added new TESS candidate planets in known TOI systems (TOI-3485, TOI-6109).
- Updated WASP-104, MWC 758, HD 235088, TOI-1680, TOI-519, TOI-3629, TOI-3714, TOI-4201, TOI-5344, HAT-P-67, GJ 367, WASP-85, HD 212729, GJ 876, GJ 1148, ε Eri, ε Ind, TOI-4860.
- Added OGLE-2016-BLG-1469L, KMT-2022-BLG-0475L, KMT-2022-BLG-1480L, DMPP-4, OGLE-2017-BLG-0640L, OGLE-2017-BLG-1275L, OGLE-2017-BLG-1237L, OGLE-2017-BLG-1777L, ZTF J2020+5033.
- Fixed brightness of Kepler-451A (thanks Trolligi, pedro_jg!).
- Fixed/updated Kepler-37 planet masses (thanks pedro_jg!).
- Fixed Kepler-42 planet masses and updated radii (thanks, pedro_jg!).
- Fixed missing orbit epochs for GJ 1002 (thanks, SevenSpheres!).
- Added missing 'C' to GJ 649.1's tertiary component's name (thanks SevenSpheres!).
- Removed KOI-820 (system has been determined to be an eclipsing binary).

Edit: Thanks to SevenSpheres for pointing out some quick errors with the original version of the attachment to this post.

14,900 planets (+1 asteroid)
5556 confirmed.
9344 unconfirmed.
Attachments
Exoplanets_2023_08_03.zip
Catalogue of extrasolar planets up to date as of 03 August 2023 - second version.
(2.12 MiB) Downloaded 156 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705

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Sirius_Alpha
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Post #140by Sirius_Alpha » 01.09.2023, 02:37

01 September 2023

I've fixed an issue where multi-stellar systems whose physical separations were below the coordinate resolution limit in Celestia are stacked on top of each other. They are now forced to have orbits even if no orbit is known. This will fix some very distant binary systems, mostly (entirely?) microlensing systems.

- 45 TESS candidate planets added (TOI-6599 through TOI-6644).
- 19 TESS candidate planets have been determined to be false positives since the last update and excluded.
- Added new TESS candidate planets in known TOI systems (TOI-2102, TOI-2267, etc).
- Updated TOI-2134, 83 Leo, GJ 617, HD 190007, WASP-106, TOI-561, Kepler-1660, TOI-238, LP 994-91, TOI-654, HD 43629, TOI-907, HIP 62908, TOI-1194, TOI-1347, TOI-1410, TOI-1798, TOI-1806, HD 55820, HD 168069, TOI-4527, HD 53532, TOI-5388, λ Ser, TOI-270, TOI-178, GJ 785, 61 Vir, 82 Eri, TOI-332, HD 42813, TOI-1853.
- Updated stellar orbits for several systems with transiting planets.
- Updated multiple planets around K giants from the Okayama Planet Search Program.
- Updated many long-period giant planets.
- Added OGLE-2019-BLG-0825L,
- Fixed OGLE-2007-BLG-349L (thanks, Trolligi!) and KMT-2020-BLG-0414L (thanks Anthony_B_Russo10!).

14,935 planets (+1 asteroid)
5588 confirmed.
9347 unconfirmed.

Edit: Replaced the file with the correct uploaded, and then replaced it again with one that corrected Kepler-1027.
Attachments
Exoplanets_Y2023_09_01.zip
Catalogue of extrasolar planets up to date as of 01 September 2023.
(2.13 MiB) Downloaded 148 times
Exoplanet nerd. I maintain a monthly-updated exoplanet catalogue here:
https://celestia.space/forum/viewtopic.php?f=23&t=18705


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