List of exoplanet search projects

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The following is a list of exoplanet search projects.

Ground-based search projects[edit]

Project name Status Number of exoplanets found Notes
Anglo-Australian Planet Search (AAPS) Active 28 (as of February 2014)
Automated Planet Finder (APF) Active 0 based at the Lick Observatory (also known as the Rocky Planet Finder)[1]
Carl Sagan Institute Active 0
CARMENES[2] Active 4[3][4][5] based at Calar Alto Observatory
CORALIE spectrograph Active 5 based at Leonhard Euler Telescope
East-Asian Planet Search Network (EAPSNET) Active 1
ELODIE Decommissioned 4
EPICS Future (2025) N/A based at the E-ELT[6][7]
ESPRESSO Active N/A based at the VLT[8][9]
EXPRES Active N/A based at the Discovery Channel Telescope[10]
FINDS Exo-Earths Active 0 based at the 3m telescope at Lick Observatory[11]
Gemini Planet Imager (GPI) Active 1 [12]
Geneva Extrasolar Planet Search Active 1+
High Accuracy Radial Velocity Planet Searcher (HARPS) Active 130+ [13]
HARPS-N Active 0
HATNet and HATSouth Projects (HAT) Active 109 [14][15]
HEK Active 0
HiCIAO Active 0
High Resolution Echelle Spectrometer (HIRES) Active 0 based at the W. M. Keck Observatory
KELT Active 20
Lick–Carnegie Exoplanet Survey (LCES) Active 1+
Magellan Planet Search Program Active 10+
MARVELS Active 0
MASCARA Active 2+
MEarth Project Active 2
Microlensing Follow-Up Network (MicroFUN) Merged with PLANET 10
Microlensing Observations in Astrophysics (MOA) Active 8
MINiature Exoplanet Radial Velocity Array (MINERVA) Active 0
N2K Consortium Active 7
New Mexico Exoplanet Spectroscopic Survey Instrument (NESSI) Active 0
Next-Generation Transit Survey (NGTS) Active 3[16][17][18] at Paranal, since 2015
Okayama Planet Search Program (OPSP) Active 3
Optical Gravitational Lensing Experiment (OGLE) Active 17+
PlanetPol Decommissioned 0
PRL Advanced Radial-velocity All-sky Search (PARAS) Active 0
Project 1640 Active 0+
Qatar Exoplanet Survey (QES) Active 9 [19]
Search for extraterrestrial intelligence (SETI) Active 0
SOPHIE échelle spectrograph Active 0+ [20]
Spectro-Polarimetric High-Contrast Exoplanet Research (SPHERE) Active 0
SPECULOOS Commissioning - Searching 1,200 nearby "Ultra Cool Dwarfs" (M7 and later). Successor to TRAPPIST[21].
Strategic Explorations of Exoplanets and Disks with Subaru (SEEDS) Active 1+ [22]
SuperWASP (WASP) Active 157 [23]
Systemic Active 0 an amateur search project
Trans-Atlantic Exoplanet Survey (TrES) Decommissioned 5
Transiting Planets and Planetesimals Small Telescope (TRAPPIST) Active 7 Searching 50 nearby "Ultra Cool Dwarfs" (M7 and later). Prototype for SPECULOOS.
XO Telescope (XO) Active 5
ZIMPOL/CHEOPS Active 0 subsystem of the VLT-SPHERE instrument, based at the VLT[24]

Space missions[edit]

Past and current[edit]

Name Launch date End date Number of exoplanets found Current candidates Telescope use
MOST June 20, 2003 Ongoing 1+ 0 First spacecraft dedicated to the study of asteroseismology
EPOXI July 21, 2005 August 8, 2013 0 0 Characterized planets and fly-by of comet
SWEEPS 2006 2006 16 0 Based from the HST, a short 7 day mission looking for exoplanets
COROT December 27, 2006 November 2, 2012 29 600 Mission to look for exoplanets using the transit method
Kepler March 7, 2009 August 15, 2013 2,342 2,421 Mission to look for large numbers of exoplanets using the transit method
K2 November 18, 2013 October 30, 2018 360 535 (+627 microlensing events) After the reaction wheels failed on Kepler, this mission was created
Gaia December 19, 2013 Ongoing 0 0 Map 1 billion astronomical objects in the Milky Way (First data Release November 2, 2016)
ASTERIA November 2017 Ongoing 0 0 CubeSat, technology demonstrator
TESS April 18, 2018 Ongoing 9 358 To search for new exoplanets; rotating so by the end of its two-year mission it will have observed stars from all over the sky. It is expected to find at least 3,000 new exoplanets.
2,757 (3,940 Total)[25] 3,914

Planned[edit]

Name Launch date Mission objectives Duration
CHEOPS 2019[26] To learn more about how exoplanets form, probe atmospheres, and characterize super-Earths. 20% of time will be open to community use.[27] 3.5 (+ 1.5 goal) years
JWST March 2021 To study atmospheres of known exoplanets and find some Jupiter-sized exoplanets 5 (+ 5 goal) years
PLATO 2026 (Soyuz-ST) To search for and characterize rocky planets around stars like our own. 4 (+4 goal) years
ARIEL 2028 (Ariane 6-2) Observe exoplanets using the transit method, study and characterise the planets' chemical composition and thermal structures 4 years
WFIRST Mid-2020s To search for and study exoplanets while studying dark matter. It is expected to find about 2,500 planets. 6 years

Proposed[edit]

Canceled[edit]

References[edit]

  1. ^ "Mt. Hamilton Telescopes: Carnegie Double Astrograph". www.ucolick.org. Retrieved 2016-07-08.
  2. ^ "carmenes". carmenes. Retrieved 2018-06-08.
  3. ^ The CARMENES search for exoplanets around M dwarfs - HD 147379b: A nearby Neptune in the temperate zone of an early-M dwarf. arXiv.org. July 19, 2018
  4. ^ The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems. arXiv.org. July 19, 2018
  5. ^ The CARMENES search for exoplanets around M dwarfs: The warm super-Earths in twin orbits around the mid-type M dwarfs Ross 1020 (GJ 3779) and LP 819-052 (GJ 1265). arXiv.org. October 21, 2018
  6. ^ "E-ELT". www.eelt.org.uk. Retrieved 2016-07-08.
  7. ^ webteam@eso.org. "ESO - The European ELT". www.eso.org. Retrieved 2016-07-08.
  8. ^ webteam@eso.org. "ESO - Espresso". www.eso.org. Retrieved 2016-07-08.
  9. ^ F., Pepe; P., Molaro; S., Cristiani; R., Rebolo; C., Santos, N.; H., Dekker; D., Mégevand; M., Zerbi, F.; A., Cabral (2014-01-23). "ESPRESSO: The next European exoplanet hunter". arXiv:1401.5918 [astro-ph.IM].
  10. ^ https://arxiv.org/ftp/arxiv/papers/1606/1606.04413.pdf EXPRES: A Next Generation RV Spectrograph in the Search for Earth-like Worlds
  11. ^ "FINDS Exo-Earths". www.planetary.org. Retrieved 2016-07-08.
  12. ^ "Planet Imager » About". planetimager.org. Retrieved 2016-07-08.
  13. ^ webteam@eso.org. "ESO - HARPS". www.eso.org. Retrieved 2016-07-08.
  14. ^ "HATNet / Planets". hatnet.org. The HATNet Exoplanet Survey. Retrieved 8 June 2018.
  15. ^ "HATSouth / Planets". hatsouth.org. The HATSouth Exoplanet Survey. Retrieved 8 June 2018.
  16. ^ Next Generation Transit Survey Finds its First Planet, NGTS-1b. Sci Tech Daily. October 31, 2017
  17. ^ Unmasking the hidden NGTS-3Ab: a hot Jupiter in an unresolved binary system. arXiv.org. June 8, 2018
  18. ^ NGTS-2b: An inflated hot-Jupiter transiting a bright F-dwarf. arXiv.org. June 8, 2018
  19. ^ "Home - (QES)". qatarexoplanet.org. Retrieved 2019-05-04.
  20. ^ "SOPHIE". exoplanets.ch. Retrieved 2016-07-08.
  21. ^ https://arxiv.org/pdf/1806.11205.pdf SPECULOOS: a network of robotic telescopes to hunt for terrestrial planets around the nearest ultracool dwarfs
  22. ^ Thalmann, Christian; Carson, Joseph; Janson, Markus; Goto, Miwa; McElwain, Michael; Egner, Sebastian; Feldt, Markus; Hashimoto, Jun; Hayano, Yutaka (2009-12-20). "Discovery of the Coldest Imaged Companion of a Sun-Like Star". The Astrophysical Journal. 707 (2): L123–L127. arXiv:0911.1127. Bibcode:2009ApJ...707L.123T. doi:10.1088/0004-637X/707/2/L123. ISSN 0004-637X.
  23. ^ "WASP Planets". WASP Planets. Retrieved 2018-07-19.
  24. ^ Schmid, H. M.; Gisler, D.; Joos, F.; Povel, H. P.; Stenflo, J. O.; Feldt, M.; Lenzen, R.; Brandner, W.; Tinbergen, J. (2005-12-01). "ZIMPOL/CHEOPS: a Polarimetric Imager for the Direct Detection of Extra-solar Planets". Astronomical Polarimetry: Current Status and Future Directions. 343: 89. Bibcode:2005ASPC..343...89S.
  25. ^ "Exoplanet Archive Planet Counts". exoplanetarchive.ipac.caltech.edu. Retrieved 2019-04-14.
  26. ^ "CHEOPS EXOPLANET MISSION MEETS KEY MILESTONES EN ROUTE TO 2017 LAUNCH".
  27. ^ "Objectives". sci.esa.int. Retrieved 2016-06-12.