Gliese 876 b

Gliese 876 b
An artist's impression of Gliese 876 b
Discovery[1][2][3]
Discovered byCalifornia and Carnegie Planet Search Team and independently by the Geneva Extrasolar Planet Search Team
Discovery siteLick, Keck, Haute-Provence and La Silla Observatories
Discovery dateJune 22, 1998
Doppler spectroscopy
Orbital characteristics[4]
Epoch 2,450,602.09311 BJD
0.218627±0.000017 AU
Eccentricity0.0325+0.0016
−0.0017
61.1057±0.0074 d
340.6+4.4
−4
 º
Inclination53.06±0.85 º[note 1]
35.5+4.1
−4.4
 º
Semi-amplitude211.57+0.3
−0.29
 m/s
StarGliese 876
Physical characteristics[4]
Mass845.2+9.5
−9.4
 M🜨
[note 2]
Temperature194 K (−79 °C; −110 °F)[5]

Gliese 876 b is an exoplanet orbiting the red dwarf Gliese 876. It completes one orbit in approximately 61 days. Discovered in June 1998, Gliese 876 b was the first planet to be discovered orbiting a red dwarf.

  1. ^ Cite error: The named reference Marcy1998 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Delfosse1998 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Keck Observatory was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Millholland2018 was invoked but never defined (see the help page).
  5. ^ "Archived copy". Archived from the original on 2016-08-19. Retrieved 2016-08-03.{{cite web}}: CS1 maint: archived copy as title (link)


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