★ Star Eta Cephei | Nearby stars catalogue

Subgiant Eta Cephei is located 46.9 light years away from the Sun. It is a single star of spectral class K0IV, that has 160 of solar mass. There is at least one exoplanet in this system.

Eta Cephei

Subgiant (spectral class K0IV)

Mass: 1.6 M Sun

Size: 4.12 R Sun

Temperature: 4950 K | 0.86 T Sun

Age: 2.5 billions years | 0.54 Sun

Luminosity: 9.7 L Sun

Apparent magnitude (V): 3.410

1 exoplanet:

Eta Cephei b

203.5 M⊕

0.64 AU

163.6 days

unconfirmed

Photometry

K
2.1

H
1.6

J
1.2

Grp
0.8

I
0.8

G
0.6

V
0.5

Gbp
0.5

B
0.4

U
0.3

More about Eta Cephei

      Nearby star Eta Cephei can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is observable also from Northern America, Europe and Asia.  Eta Cephei is about 4 times bigger than the Sun and temperature in its outer envelope is around 4950 K (4677 °C), which is about 86 % of Suns temperature.

Other designations of this star
eta Cep, 3 Cephei, BD+61 2050, FK5 783, HD 198149, HIP 102422, HR 7957, SAO 19019, Gaia EDR3 2195115561168483712

External sources

Sources

Simbad database (* eta Cep)

Gaia database (Gaia EDR3 2195115561168483712)

Closest stars

Distance (Light Years)		Mass (Solar mass)	Planets


4	Alpha Cephei	2 M_☉

5.4	G 230-42	0 M_☉

8.7	Wolf 1084	0 M_☉

8.9	G 264-12	0 M_☉	2

10.8	Wolf 1130	0 M_☉

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