The TESS-Keck Survey or TKS is an exoplanet search project that uses the Keck I and the Automated Planet Finder (APF) to conduct ground-based follow-up of planet candidates discovered by the Transiting Exoplanet Survey Satellite.[1] The TKS aims to measure the mass for about 100 exoplanets[2] and has been awarded some of the largest time allocations in the histories of Keck I and APF.[1] The program has four main science themes:[2]
- the bulk compositions of small planets
- dynamical temperatures and system architectures
- a larger, more refined sample for future atmospheric studies
- planets orbiting evolved stars
List of discoveries
editName | Class | Radius
(R🜨) |
Mass
(ME) |
Bulk density
(g/cm3) |
Orbital period
(days) |
Discovery year | Note | Reference |
---|---|---|---|---|---|---|---|---|
HD 332231 b | warm sub-Saturn | 9.744 | 76.32 | 0.464 | 18.71 | 2020 | [3] | |
TOI-561 b | super-earth | 1.45 | 3.2 | 5.5 | 0.44 | 2021 | old metal-poor host star | [4] |
TOI-561 c | sub-Neptune | 2.90 | 6.5 | 1.6 | 10.8 | 2021 | old metal-poor host star | [4] |
TOI-561 d | sub-Neptune | 2.32 | 2.4 | 1.3 | 16.4 | 2021 | metal-poor host star | [4] |
HD 63935 b | sub-Neptune | 2.99 | 10.8 | 2.2 | 9.06 | 2021 | [5] | |
HD 63935 c | sub-Neptune | 2.90 | 11.1 | 2.5 | 21.40 | 2021 | [5] | |
HIP-97166 b | sub-Neptune | 2.7 | 20 | 5.3 | 10.3 | 2021 | eccentric orbit | [6] |
HIP-97166 c | sub-Neptune | 10 | 16.8 | 2021 | eccentric orbit | [6] | ||
TOI-2180 b | giant planet | 11.3 | 890.4 | 3.32 | 260.8 | 2022 | originally found by citizen scientists of Planet Hunters, planet with eccentric orbit | [7] |
HD 191939 e | warm Saturn | 108 | 101.5 | 2022 | study also announced the mass of the other planets | [8] | ||
HD 191939 f | giant planet | ≥630 | 1700-7200 | 2022 | candidate | [8] | ||
TOI-1444 b | super-earth | 1.4 | 3.87 | 0.47 | 2021 | [9] | ||
TOI-1444 c | 11.8 | 16 | 2021 | candidate | [10] | |||
TOI-1246 e | >25.6 | 93.8 | 2022 | candidate, study also announced the mass of the other planets | [11] | |||
TOI-1272 b | hot Neptune | 4.1 | 25 | 1.9 | 3.3 | 2022 | eccentric orbit | [12] |
TOI-1272 c | 27 | 8.7 | 2022 | [13] | ||||
TOI-1669 c | giant planet | 191 | 501 | 2022 | planet b is a close-in small planet (about 4 ME) | [14] | ||
TOI-1694 c | giant planet | 295 | 393 | 2022 | planet b is a close-in small planet (31 ME) | [14] | ||
HIP 8152 b (TOI-266) | sub-Neptune | 2.6 | 7.8 | 2.5 | 10.75 | 2023 | [15] | |
HIP 8152 c | sub-Neptune | 2.5 | 9.4 | 3.4 | 19.61 | 2023 | [15] | |
HD 42813 b (TOI-469) | sub-Neptune | 3.4 | 5.8 | 0.8 | 13.63 | 2023 | star is metal-rich, planet has relative low density | [15] |
HD 25463 b (TOI-554) | sub-Neptune | 2.6 | 8.5 | 2.6 | 7.05 | 2023 | [15] | |
HD 25463 c | super-Earth | 1.5 | <4.1 | <7.1 | 3.04 | 2023 | [15] | |
TOI-669 b | hot sub-Neptune | 2.6 | 9.8 | 3.0 | 3.95 | 2023 | [15] | |
HD 135694 b (TOI-1247) | warm sub-Neptune | 2.51 | 5.7 | 2.0 | 15.92 | 2023 | [15] | |
HD 6061 b (TOI-1473) | hot sub-Neptune | 2.45 | 10.8 | 4.0 | 5.25 | 2023 | [15] | |
TOI-1736 b | sub-Neptune | 3.1 | 11.9 | 2.3 | 7.07 | 2023 | star is a subgiant | [15] |
TOI-1736 c | temperature super-Jovian | >2477 | 571.3 | 2023 | not transiting, in a moderately eccentric orbit | [15] | ||
TOI-1386 b | warm sub-Saturn | 6.05 | 47 | 1.16 | 25.84 | 2024 | orbits a solar analogue | [16] |
TOI-1386 c | >98 | 227.6 | 2024 | not transiting | [16] | |||
TOI-1347 b | ultra-short period planet | 1.8 | 11.1 | 9.9 | 0.85 | 2024 | possible high molecular weight atmosphere | [17] |
TOI-1347 c | 1.6 | <6.4 | <4.1 | 4.84 | 2024 | [17] | ||
TOI-329 b | Neptune size | 4.72 | 40.8 | 2.13 | 5.70 | 2024 | old subgiant host star; moderate eccentric orbit e=0.39 | [18] |
HD 39688 b (TOI-480) | Earth-density | 2.69 | 15.7 | 4.42 | 6.86 | 2024 | [18] | |
TOI-603 b | 7.93 | 47.5 | 0.52 | 16.17 | 2024 | subgiant host star | [18] | |
TOI-1199 b | giant planet | 10.60 | 69.4 | 0.32 | 3.67 | 2024 | [18] | |
TOI-1294 b | Saturn-sized | 9.19 | 62.2 | 0.44 | 3.91 | 2024 | massive metal-rich host star | [18] |
TOI-1294 c | 148.3 | 160.1 | 2024 | not transiting | [18] | |||
TOI-1439 b | Neptune-sized | 4.15 | 38.4 | 2.94 | 27.64 | 2024 | metal-rich subgiant host star | [18] |
TOI-1605 b | Jupiter-sized | 10.34 | 221.3 | 8.70 | 2024 | solar-like metallicity host star; eccentric orbit e=0.28 | [18] | |
TOI-1828 b | hot Jupiter | 8.62 | 58.5 | 0.50 | 9.09 | 2024 | subgiant host star; eccentric orbit e=0.31 | [18] |
HD 148193 b (TOI-1836) | 8.38 | 28.4 | 0.27 | 20.38 | 2024 | young and hot subgiant host star | [18] | |
TOI-1885 b | giant planet | 13.66 | 516.4 | 1.12 | 6.54 | 2024 | young and hot host star | [18] |
HD 83342 b (TOI-1898) | warm Jupiter | 9.74 | 127.5 | 0.76 | 45.52 | 2024 | CTOI of Planet Hunters: TESS; highly eccentric orbit e=0.48 | [19][18] |
TOI-2019 b | 5.66 | 34.6 | 1.05 | 15.34 | 2024 | cool metal-rich subgiant host star | [18] | |
TOI-1736 c | 2477 | 571.3 | 2024 | eccentric orbit e=0.37 | [18] | |||
TOI-1751 b | sub-Neptune | 2.77 | 14.5 | 3.6 | 37.47 | 2024 | slightly evolved solar-type metal-poor star | [20] |
Follow-up works by TKS studied the already discovered planets TOI-1726 c[21] and WASP-107b.[22]
References
edit- ^ a b "The TESS-Keck Survey". faculty.sites.uci.edu. Retrieved 2022-09-09.
- ^ a b Chontos, Ashley; Murphy, Joseph M. Akana; MacDougall, Mason G.; Fetherolf, Tara; Van Zandt, Judah; Rubenzahl, Ryan A.; Beard, Corey; Huber, Daniel; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney D.; Fulton, Benjamin; Howard, Andrew W.; Isaacson, Howard; Kane, Stephen R. (2022-06-01). "The TESS-Keck Survey: Science Goals and Target Selection". The Astronomical Journal. 163 (6): 297. arXiv:2106.06156. Bibcode:2022AJ....163..297C. doi:10.3847/1538-3881/ac6266. ISSN 0004-6256. S2CID 235417319.
- ^ Dalba, Paul A.; Gupta, Arvind F.; Rodriguez, Joseph E.; Dragomir, Diana; Huang, Chelsea X.; Kane, Stephen R.; Quinn, Samuel N.; Bieryla, Allyson; Esquerdo, Gilbert A.; Fulton, Benjamin J.; Scarsdale, Nicholas; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Chontos, Ashley (2020-05-01). "The TESS-Keck Survey. I. A Warm Sub-Saturn-mass Planet and a Caution about Stray Light in TESS Cameras". The Astronomical Journal. 159 (5): 241. arXiv:2003.10451. Bibcode:2020AJ....159..241D. doi:10.3847/1538-3881/ab84e3. hdl:1721.1/132405.2. ISSN 0004-6256. S2CID 214623340.
- ^ a b c Weiss, Lauren M.; Dai, Fei; Huber, Daniel; Brewer, John M.; Collins, Karen A.; Ciardi, David R.; Matthews, Elisabeth C.; Ziegler, Carl; Howell, Steve B.; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney; Fulton, Benjamin; Howard, Andrew W.; Isaacson, Howard (2021-02-01). "The TESS-Keck Survey. II. An Ultra-short-period Rocky Planet and Its Siblings Transiting the Galactic Thick-disk Star TOI-561". The Astronomical Journal. 161 (2): 56. arXiv:2009.03071. Bibcode:2021AJ....161...56W. doi:10.3847/1538-3881/abd409. ISSN 0004-6256. S2CID 229279232.
- ^ a b Scarsdale, Nicholas; Murphy, Joseph M. Akana; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney D.; Fulton, Benjamin; Howard, Andrew W.; Huber, Daniel; Isaacson, Howard; Kane, Stephen R.; Petigura, Erik A.; Robertson, Paul; Roy, Arpita; Weiss, Lauren M.; Beard, Corey (2021-11-01). "TESS-Keck Survey. V. Twin Sub-Neptunes Transiting the Nearby G Star HD 63935". The Astronomical Journal. 162 (5): 215. arXiv:2110.06885. Bibcode:2021AJ....162..215S. doi:10.3847/1538-3881/ac18cb. ISSN 0004-6256. S2CID 238743956.
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