The TESS-Keck Survey

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]

  1. the bulk compositions of small planets
  2. dynamical temperatures and system architectures
  3. a larger, more refined sample for future atmospheric studies
  4. planets orbiting evolved stars

List of discoveries
Name class Radius

(R🜨)

 Mass

(M🜨)

 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 M🜨) [14]
TOI-1694 c giant planet 295 393 2022 planet b is a close-in small planet (31 M🜨) [14]

Follow-up works by TKS studied the already discovered planets TOI-1726 c[15] and WASP-107b.[16]

References
  1. "The TESS-Keck Survey". faculty.sites.uci.edu. Retrieved 2022-09-09.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. MacDougall, Mason G.; Petigura, Erik A.; Angelo, Isabel; Lubin, Jack; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Blunt, Sarah; Brinkman, Casey; Chontos, Ashley; Crossfield, Ian J. M.; Dai, Fei; Dalba, Paul A.; Dressing, Courtney; Fulton, Benjamin (2021-12-01). "The TESS-Keck Survey. VI. Two Eccentric Sub-Neptunes Orbiting HIP-97166". The Astronomical Journal. 162 (6): 265. arXiv:2110.05628. Bibcode:2021AJ....162..265M. doi:10.3847/1538-3881/ac295e. ISSN 0004-6256. S2CID 238634523.
  7. Dalba, Paul A.; Kane, Stephen R.; Dragomir, Diana; Villanueva, Steven; Collins, Karen A.; Jacobs, Thomas Lee; LaCourse, Daryll M.; Gagliano, Robert; Kristiansen, Martti H.; Omohundro, Mark; Schwengeler, Hans M.; Terentev, Ivan A.; Vanderburg, Andrew; Fulton, Benjamin; Isaacson, Howard (2022-02-01). "The TESS-Keck Survey. VIII. Confirmation of a Transiting Giant Planet on an Eccentric 261 Day Orbit with the Automated Planet Finder Telescope". The Astronomical Journal. 163 (2): 61. arXiv:2201.04146. Bibcode:2022AJ....163...61D. doi:10.3847/1538-3881/ac415b. ISSN 0004-6256. S2CID 245877799.
  8. Lubin, Jack; Van Zandt, Judah; Holcomb, Rae; Weiss, Lauren M.; Petigura, Erik A.; Robertson, Paul; Akana Murphy, Joseph M.; Scarsdale, Nicholas; Batygin, Konstantin; Polanski, Alex S.; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney; Fulton, Benjamin; Howard, Andrew W. (2022-02-01). "TESS-Keck Survey. IX. Masses of Three Sub-Neptunes Orbiting HD 191939 and the Discovery of a Warm Jovian plus a Distant Substellar Companion". The Astronomical Journal. 163 (2): 101. arXiv:2108.02208. Bibcode:2022AJ....163..101L. doi:10.3847/1538-3881/ac3d38. ISSN 0004-6256. S2CID 236924440.
  9. Dai, Fei; Howard, Andrew W.; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Blunt, Sarah; Brinkman, Casey L.; Chontos, Ashley; Crossfield, Ian J. M.; Dalba, Paul A.; Dressing, Courtney; Fulton, Benjamin; Giacalone, Steven; Hill, Michelle L.; Huber, Daniel (2021-08-01). "TKS X: Confirmation of TOI-1444b and a Comparative Analysis of the Ultra-short-period Planets with Hot Neptunes". The Astronomical Journal. 162 (2): 62. Bibcode:2021AJ....162...62D. doi:10.3847/1538-3881/ac02bd. hdl:1721.1/135593.2. ISSN 0004-6256. S2CID 234778143.
  10. Dai, Fei; Howard, Andrew W.; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Blunt, Sarah; Brinkman, Casey L.; Chontos, Ashley; Crossfield, Ian J. M.; Dalba, Paul A.; Dressing, Courtney; Fulton, Benjamin; Giacalone, Steven; Hill, Michelle L.; Huber, Daniel (2021-08-01). "TKS X: Confirmation of TOI-1444b and a Comparative Analysis of the Ultra-short-period Planets with Hot Neptunes". The Astronomical Journal. 162 (2): 62. Bibcode:2021AJ....162...62D. doi:10.3847/1538-3881/ac02bd. hdl:1721.1/135593.2. ISSN 0004-6256. S2CID 234778143.
  11. Turtelboom, Emma V.; Weiss, Lauren M.; Dressing, Courtney D.; Nowak, Grzegorz; Pallé, Enric; Beard, Corey; Blunt, Sarah; Brinkman, Casey; Chontos, Ashley; Claytor, Zachary R.; Dai, Fei; Dalba, Paul A.; Giacalone, Steven; Gonzales, Erica; Harada, Caleb K. (2022-06-01). "The TESS-Keck Survey. XI. Mass Measurements for Four Transiting Sub-Neptunes Orbiting K Dwarf TOI-1246". The Astronomical Journal. 163 (6): 293. arXiv:2204.11895. Bibcode:2022AJ....163..293T. doi:10.3847/1538-3881/ac69e5. ISSN 0004-6256. S2CID 248392257.
  12. MacDougall, Mason G.; Petigura, Erik A.; Fetherolf, Tara; Beard, Corey; Lubin, Jack; Angelo, Isabel; Batalha, Natalie M.; Behmard, Aida; Blunt, Sarah; Brinkman, Casey; Chontos, Ashley; Crossfield, Ian J. M.; Dai, Fei; Dalba, Paul A.; Dressing, Courtney (2022-09-01). "The TESS-Keck Survey. XIII. An Eccentric Hot Neptune with a Similar-mass Outer Companion around TOI-1272". The Astronomical Journal. 164 (3): 97. arXiv:2206.14327. Bibcode:2022AJ....164...97M. doi:10.3847/1538-3881/ac7ce1. ISSN 0004-6256. S2CID 250113765.
  13. MacDougall, Mason G.; Petigura, Erik A.; Fetherolf, Tara; Beard, Corey; Lubin, Jack; Angelo, Isabel; Batalha, Natalie M.; Behmard, Aida; Blunt, Sarah; Brinkman, Casey; Chontos, Ashley; Crossfield, Ian J. M.; Dai, Fei; Dalba, Paul A.; Dressing, Courtney (2022-09-01). "The TESS-Keck Survey. XIII. An Eccentric Hot Neptune with a Similar-mass Outer Companion around TOI-1272". The Astronomical Journal. 164 (3): 97. arXiv:2206.14327. Bibcode:2022AJ....164...97M. doi:10.3847/1538-3881/ac7ce1. ISSN 0004-6256. S2CID 250113765.
  14. Van Zandt, Judah E.; Petigura, Erik A.; MacDougall, Mason; Gilbert, Gregory J.; Lubin, Jack; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney; Fulton, Benjamin; Howard, Andrew W.; Huber, Daniel; Isaacson, Howard; Kane, Stephen R.; Robertson, Paul; Roy, Arpita (2022-09-01). "TESS-Keck Survey XIV: 2 giant exoplanets from the Distant Giants Survey". The Astronomical Journal. 165 (2): 60. arXiv:2209.06958. Bibcode:2023AJ....165...60V. doi:10.3847/1538-3881/aca6ef. S2CID 252280288.
  15. Dai, Fei; Roy, Arpita; Fulton, Benjamin; Robertson, Paul; Hirsch, Lea; Isaacson, Howard; Albrecht, Simon; Mann, Andrew W.; Kristiansen, Martti H.; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Chontos, Ashley; Crossfield, Ian J. M.; Dalba, Paul A. (2020-10-01). "The TESS-Keck Survey. III. A Stellar Obliquity Measurement of TOI-1726 c". The Astronomical Journal. 160 (4): 193. arXiv:2008.12397. Bibcode:2020AJ....160..193D. doi:10.3847/1538-3881/abb3bd. ISSN 0004-6256. S2CID 221370690.
  16. Rubenzahl, Ryan A.; Dai, Fei; Howard, Andrew W.; Chontos, Ashley; Giacalone, Steven; Lubin, Jack; Rosenthal, Lee J.; Isaacson, Howard; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney; Fulton, Benjamin; Huber, Daniel; Kane, Stephen R.; Petigura, Erik A. (2021-03-01). "The TESS-Keck Survey. IV. A Retrograde, Polar Orbit for the Ultra-low-density, Hot Super-Neptune WASP-107b". The Astronomical Journal. 161 (3): 119. arXiv:2101.09371. Bibcode:2021AJ....161..119R. doi:10.3847/1538-3881/abd177. ISSN 0004-6256. S2CID 231698426.


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