Astronomy:CARMENES survey

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Short description: Exoplanet survey

The CARMENES survey (Calar Alto high-Resolution search for M-dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs) is a project to examine approximately 300 M-dwarf stars for signs of exoplanets with the CARMENES instrument on the Spanish Calar Alto's 3.5m telescope.[1]

Operating since 2016, it aims to find Earth-sized exoplanets around 2 M⊕ (Earth masses) using Doppler spectroscopy (also called the radial velocity method).[2] More than 20 exoplanets have been found through CARMENES, among them Teegarden b, considered one of the most potentially habitable exoplanets.[3][4] Another potentially habitable planet found is Gliese 357 d.[5]

Discoveries

Star GJ d [pc] Sp.

type

Planet Porb

[d]

M2sini

[M⊕]

LP 729-54 ... 22.00 M3.5 V b 0.768377 2.34 (TESS)
c 12.252131 6.29 (TESS)
TOI-1235 ... 39.680 M0.5 V b 3.444717 5.90 (TESS)
CD Ceti 1057 8.069 M5.0 V b 2.29070 3.95
HD 79211 338 B 6.334 M0.0 V b 24.45 10.0
TYC 6170-95-1 (EPIC 249893012) ... 325 G8 IV/V b* 3.5949 8.8 (K2)
c* 15.624 14.7 (K2)
d* 35.747 10 (K2)
LP 90-18 (GJ 3512) 3512 9.489 M5.5 V b 203.59 147
c >1390 >54
Gliese 357 357 9.444 M2.5 V b 3.93072 1.84 (TESS)
c 9.1247 3.4
d 55.661 6.1
LSPM J2116+0234 ... 17.639 M3.0 V b 14.451 13.6
Teegarden's Star ... 3.831 M7.0 V b 4.9100 1.05
c 11.409 1.11
BD+61 195 49 9.856 M1.5 V b 13.851 5.6
K2-285 ... 156 K2 V b* 3.47175 9.7 (K2)
c* 7.13804 16 (K2)
d* 10.4560 <6.5 (K2)
e* 14.7634 <10.7 (K2)
HD 119130 ... 114.3 G3 V b* 16.9841 24
G 232-70 4276 21.35 M4.0 V b 13.350 15.6
Barnard's Star 699 1.827 M3.5 V b 232.8 3.2
Ross 1020 3779 13.748 M4.0 V b 3.0232 8.0
LP 819-052 1265 10.255 M4.5 V b 3.6511 7.4
HD 180617 752 A 5.912 M2.5 V b 105.90 12.2
HD 147379 617 A 10.74 M0.0 V b 86.54 24.7
Ross 1003 1148 11.00 M4.0 V c 533 68
GX Andromedae 15 A 3.562 M1.0 V c 7800 50

See also

List of exoplanet search projects

References

  1. ↑ Nowak, G. et al. (19 October 2020). "The CARMENES search for exoplanets around M dwarfs". Astronomy and Astrophysics 642 (A173): A173. doi:10.1051/0004-6361/202037867. https://ntrs.nasa.gov/citations/20210012796. Retrieved 2022-04-03. 
  2. ↑ "CARMENES helped in finding exoplanet proxy atmosphere" (in en-US). http://wwwtest.intra.test/news/detail/carmenes-contributes-to-finding-proxy-for-testing-observations-of-exoplanet-atmospheres. 
  3. ↑ "PHL @ UPR Arecibo - The Habitable Exoplanets Catalog" (in en-US). https://phl.upr.edu/projects/habitable-exoplanets-catalog. 
  4. ↑ "CARMENES confirma la presencia de un nuevo sistema planetario con un potencial mundo habitable". August 2019. https://cab.inta-csic.es/noticias/carmenes-confirma-la-presencia-de-un-nuevo-sistema-planetario-con-un-potencial-mundo-habitable/28/. 
  5. ↑ "PHL @ UPR Arecibo - The Habitable Exoplanets Catalog" (in en-US). https://phl.upr.edu/projects/habitable-exoplanets-catalog. 




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