Talk:List of exoplanets discovered in 2024

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Missing planets

https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1691 https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1669 https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1443 https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1437 https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1269 https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1249

https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1180 https://exoplanetarchive.ipac.caltech.edu/overview/TOI-1174 21 Andromedae (talk) 00:17, 2 August 2024 (UTC)[reply]

New exciting discovery of a planet orbiting one of Solar closest neighborhoods

help me checking and adding this tiny exoplanet to that list "relevant source, for example:https://www.space.com/barnards-star-exoplanet-sub-earth" 2402:800:639D:EDC3:AD26:5185:B3A8:AE27 (talk) 13:57, 1 October 2024 (UTC)[reply]

Done✅ 2402:800:639D:EDC3:140B:4D56:1298:6318 (talk) 06:56, 2 October 2024 (UTC)[reply]

imo, the original paper-source is much better than most press coverage-articles 2402:800:639D:EDC3:140B:4D56:1298:6318 (talk) 06:57, 2 October 2024 (UTC)[reply]

The Astrometry Year

2024 was indeed the best year so far for astrometry. Six planets were discovered using this method, while in 2023 none and 2022 only one. We also have promising candidates, such as Luyten 726-8 b. Futher, a recent study found evidence for planets in 9,698 planets using astrometry, if half of these planets really exist, then there would be 4,900 stars with planets discovered using this method. 21 Andromedae (talk) 17:45, 20 October 2024 (UTC)[reply]

I don't think that's right - most of these planets were discovered by a combination of astrometry and radial velocity, with the NASA Exoplanet Archive listing radial velocity as the discovery method, which is also the case for several exoplanets discovered in the previous two years. In fact the two planets for which the Exoplanet Archive lists astrometry as the discovery method were discovered in 2022 and 2023, but are missing from those lists. SevenSpheres (talk) 20:02, 20 October 2024 (UTC)[reply]

I agree, I was euphoric with this method and I didn't know that planets were missing from the lists. I still feel it's promising, as astrometry helps confirm planets discovered only through radial velocity and vice versa. 21 Andromedae (talk) 22:38, 20 October 2024 (UTC)[reply]

Add these planets

Most were already added expect Gaia-5b (because it is a brown dwarf) and NGTS-31 and 32b. I am having a mild headache right now, and busy every day as well, all of these will be probably added tomorrow if i have time. 21 Andromedae (talk) 22:30, 8 December 2024 (UTC)[reply]

An overview

2024 ended with 286 exoplanets, a higher number than in 2020 and 2021, but lower than in 2022 and 2023, given that in this year we did not have any article that validated multiple exoplanets from a catalog (such as Kepler and K2) at once, like in 2022 and 2023. Other than number of planets, i would consider some points:

This was the year with most astrometry discoveries, much more than the other years.

No system with high number of multiplicity was found. While in 2022 and 23 two planetary systems with multiple planets, TOI-1136 and HD 110067, were found, 2024 only had multiplicity up to three-planet systems.

Similarly, no planet around bright stars was found. While this decade had many planets around bright stars, such as b Centauri b, Gamma Piscium b, Mu Scorpii b, Upsilon Leonis b, the brightest star with a planet was 20 Leonis Minoris, rather faint at apparent magnitude 5.4. However, a candidate around Vega was found.

The first possible super-Earth within the habitable zone, which might harbour life, was discovered, around 82 G. Eridani. We usually discover PHEs around red dwarfs, but such stars sometimes present violent variability, such as flare stars, which could harm the atmosphere, crucial for life, on PHEs around them. 82 G. Eridani on the other hand is a calm star, and its habitable zone planet, if rocky, could be one of the best candidates for habitability.

The first circumtriple planet was discovered, Gliese 900 b.

Four extremes have been breaked in 2024: The longest orbital period and longest semi-major axis, with Gliese 900b, the nearest planet directly imaged with Epsilon Indi Ab, and the youngest planet with DH Tau b, which was not a 2024 discovery, but had been estimated to be only 700,000 years old this year. Also, we detected what could be the most eccentric planet, SGR 1806-20 b.

This year's notable discoveries were (from order of discovery): HD 63433 d, Gliese 900 b, M62H b, TOI-4633 c, SPECULOOS-3 b, Gliese 12 b, HD 48948 planets, GJ 4256 b, TIC 241249530 b, OGLE-2017-BLG-0364Lb, Kepler-51e, Barnard b, 82 G. Eridani d and IRAS 04125+2902 b.

I would also like to say that I enjoyed the experience of keeping a list for a whole year, despite almost giving up in the middle of the process, but then managing to pick myself up and see it through to the end. Thanks to Procyon117 and other editors for also contributing to this list. 21 Andromedae (talk) 13:16, 1 January 2025 (UTC)[reply]