Astronomy:The TESS-Keck Survey

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Short description: Exoplanet search project

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]
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]

Follow-up works by TKS studied the already discovered planets TOI-1726 c[16] and WASP-107b.[17]

References

  1. ↑ 1.0 1.1 "The TESS-Keck Survey". https://faculty.sites.uci.edu/robertson/tks/. 
  2. ↑ 2.0 2.1 Chontos, Ashley; Murphy, Joseph M. Akana; MacDougall, Mason G.; Fetherolf, Tara; Van Zandt, Judah; Rubenzahl, Ryan A.; Beard, Corey; Huber, Daniel et al. (2022-06-01). "The TESS-Keck Survey: Science Goals and Target Selection". The Astronomical Journal 163 (6): 297. doi:10.3847/1538-3881/ac6266. ISSN 0004-6256. Bibcode: 2022AJ....163..297C. 
  3. ↑ Dalba, Paul A.; Gupta, Arvind F.; Rodriguez, Joseph E.; Dragomir, Diana; Huang, Chelsea X.; Kane, Stephen R.; Quinn, Samuel N.; Bieryla, Allyson et al. (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. doi:10.3847/1538-3881/ab84e3. ISSN 0004-6256. Bibcode: 2020AJ....159..241D. 
  4. ↑ 4.0 4.1 4.2 Weiss, Lauren M.; Dai, Fei; Huber, Daniel; Brewer, John M.; Collins, Karen A.; Ciardi, David R.; Matthews, Elisabeth C.; Ziegler, Carl et al. (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. doi:10.3847/1538-3881/abd409. ISSN 0004-6256. Bibcode: 2021AJ....161...56W. 
  5. ↑ 5.0 5.1 Scarsdale, Nicholas; Murphy, Joseph M. Akana; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney D.; Fulton, Benjamin; Howard, Andrew W.; Huber, Daniel et al. (2021-11-01). "TESS-Keck Survey. V. Twin Sub-Neptunes Transiting the Nearby G Star HD 63935". The Astronomical Journal 162 (5): 215. doi:10.3847/1538-3881/ac18cb. ISSN 0004-6256. Bibcode: 2021AJ....162..215S. 
  6. ↑ 6.0 6.1 MacDougall, Mason G.; Petigura, Erik A.; Angelo, Isabel; Lubin, Jack; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Blunt, Sarah et al. (2021-12-01). "The TESS-Keck Survey. VI. Two Eccentric Sub-Neptunes Orbiting HIP-97166". The Astronomical Journal 162 (6): 265. doi:10.3847/1538-3881/ac295e. ISSN 0004-6256. Bibcode: 2021AJ....162..265M. 
  7. ↑ Dalba, Paul A.; Kane, Stephen R.; Dragomir, Diana; Villanueva, Steven; Collins, Karen A.; Jacobs, Thomas Lee; LaCourse, Daryll M.; Gagliano, Robert et al. (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. doi:10.3847/1538-3881/ac415b. ISSN 0004-6256. Bibcode: 2022AJ....163...61D. 
  8. ↑ 8.0 8.1 Lubin, Jack; Van Zandt, Judah; Holcomb, Rae; Weiss, Lauren M.; Petigura, Erik A.; Robertson, Paul; Akana Murphy, Joseph M.; Scarsdale, Nicholas et al. (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. doi:10.3847/1538-3881/ac3d38. ISSN 0004-6256. Bibcode: 2022AJ....163..101L. 
  9. ↑ Dai, Fei; Howard, Andrew W.; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Blunt, Sarah; Brinkman, Casey L.; Chontos, Ashley et al. (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. doi:10.3847/1538-3881/ac02bd. ISSN 0004-6256. Bibcode: 2021AJ....162...62D. 
  10. ↑ Dai, Fei; Howard, Andrew W.; Batalha, Natalie M.; Beard, Corey; Behmard, Aida; Blunt, Sarah; Brinkman, Casey L.; Chontos, Ashley et al. (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. doi:10.3847/1538-3881/ac02bd. ISSN 0004-6256. Bibcode: 2021AJ....162...62D. 
  11. ↑ Turtelboom, Emma V.; Weiss, Lauren M.; Dressing, Courtney D.; Nowak, Grzegorz; Pallé, Enric; Beard, Corey; Blunt, Sarah; Brinkman, Casey et al. (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. doi:10.3847/1538-3881/ac69e5. ISSN 0004-6256. Bibcode: 2022AJ....163..293T. 
  12. ↑ MacDougall, Mason G.; Petigura, Erik A.; Fetherolf, Tara; Beard, Corey; Lubin, Jack; Angelo, Isabel; Batalha, Natalie M.; Behmard, Aida et al. (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. doi:10.3847/1538-3881/ac7ce1. ISSN 0004-6256. Bibcode: 2022AJ....164...97M. 
  13. ↑ MacDougall, Mason G.; Petigura, Erik A.; Fetherolf, Tara; Beard, Corey; Lubin, Jack; Angelo, Isabel; Batalha, Natalie M.; Behmard, Aida et al. (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. doi:10.3847/1538-3881/ac7ce1. ISSN 0004-6256. Bibcode: 2022AJ....164...97M. 
  14. ↑ 14.0 14.1 Van Zandt, Judah E.; Petigura, Erik A.; MacDougall, Mason; Gilbert, Gregory J.; Lubin, Jack; Batalha, Natalie M.; Crossfield, Ian J. M.; Dressing, Courtney et al. (2022-09-01). "TESS-Keck Survey XIV: 2 giant exoplanets from the Distant Giants Survey". The Astronomical Journal 165 (2): 60. doi:10.3847/1538-3881/aca6ef. Bibcode: 2023AJ....165...60V. https://ui.adsabs.harvard.edu/abs/2022arXiv220906958V. 
  15. ↑ 15.0 15.1 15.2 15.3 15.4 15.5 15.6 15.7 15.8 15.9 Akana Murphy, Joseph M.; Batalha, Natalie M.; Scarsdale, Nicholas; Isaacson, Howard; Ciardi, David R.; Gonzales, Erica J.; Giacalone, Steven; Twicken, Joseph D. et al. (2023-10-01). "The TESS-Keck Survey. XVI. Mass Measurements for 12 Planets in Eight Systems". The Astronomical Journal 166 (4): 153. doi:10.3847/1538-3881/ace2ca. ISSN 0004-6256. Bibcode: 2023AJ....166..153A. 
  16. ↑ Dai, Fei; Roy, Arpita; Fulton, Benjamin; Robertson, Paul; Hirsch, Lea; Isaacson, Howard; Albrecht, Simon; Mann, Andrew W. et al. (2020-10-01). "The TESS-Keck Survey. III. A Stellar Obliquity Measurement of TOI-1726 c". The Astronomical Journal 160 (4): 193. doi:10.3847/1538-3881/abb3bd. ISSN 0004-6256. Bibcode: 2020AJ....160..193D. 
  17. ↑ Rubenzahl, Ryan A.; Dai, Fei; Howard, Andrew W.; Chontos, Ashley; Giacalone, Steven; Lubin, Jack; Rosenthal, Lee J.; Isaacson, Howard et al. (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. doi:10.3847/1538-3881/abd177. ISSN 0004-6256. Bibcode: 2021AJ....161..119R. 




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