Star Upsilon Andromedae

Binary star Upsilon Andromedae is located 44 light years away from the Sun. It is a star system with 2 stars, from which the bigger one has 127 % of solar mass. There are multiple known exoplanets in this system.

Sun distance: 44 light years.
(Position of this star is derived from Gaia mission data.)
Upsilon Andromedae A
part of star image
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Yellow-White star
spectral class F9V

1.27 solar masses
1.48 solar radii
temperature icontemperature 6269 °K (5996 °C)
time icon3.12 bilion years old star

4 known exoplanets:
Upsilon Andromedae A b
| 540.442 earth masses
Upsilon Andromedae A c
| 4444.34 earth masses
Upsilon Andromedae A d
| 3258.547 earth masses
Upsilon Andromedae A e
| 336.664 earth masses
Upsilon Andromedae D
part of star image
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Red dwarf
spectral class M4.5V

0.2 solar masses
0.26 solar radii (estimate)
(No known exoplanets yet)
Other designations of this star
UCAC4 657-006214, ** LWR 1B, 2MASS J01365042+4123325, TIC 189576909, WDS J01368+4124D, WISEA J013650.24+412328.0, Titawin, 50 Andromedae, BD+40 332, CCDM 01367+4125, FK5 1045, GC 1948, GCTP 331.00, Gliese 61, Gl 61, HD 9826, HIC 7513, HIP 7513, HR 458, LTT 10561, SAO 37362, WDS 01368+4124A, 2MASS J01364784+4124200, Gaia DR2 348020448377061376, Gaia EDR3 348020482735930112
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