★ Star Sigma Boötis | Nearby stars catalogue

Yellow-White star Sigma Boötis is located 51.4 light years away from the Sun. It is a single star of spectral class F4VkF2mF1, that has 118 of solar mass. For now, there are no known exoplanets in this system.

Sigma Boötis

Yellow-White star (spectral class F4VkF2mF1)

Mass: 1.18 M Sun

Size: 1.431 R Sun

Temperature: 6594 K | 1.14 T Sun

Luminosity: 3.461 L Sun

Apparent magnitude (V): 4.47

(No known exoplanets yet)

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 Sigma Boötis

      Nearby star Sigma Boötis 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.  Sigma Boötis is  about 43 % bigger than the Sun and temperature in its outer envelope is around 6594 K (6321 °C), which is about 114 % of Suns temperature.

Other designations of this star
* sig Boo, σ Boo, 28 Boötis, BD+30°2536, GC 19659, Gliese 557, HD 128167, HIP 71284, HR 5447, SAO 83416, CCDM 14347+2945, Gaia EDR3 1284257623084916480

External sources

Sources

Simbad database (* sig Boo)

Gaia database (Gaia EDR3 1284257623084916480)

Closest stars

Distance (Light Years)		Mass (Solar mass)


3.7	LP 326-21	0 M_☉

4	Gliese 3839	0 M_☉ 0 M_☉

4.3	UPM J1425+2540	0 M_☉

4.7	BD+30 2512	0 M_☉

6.2	BD+24 2733	0 M_☉ 0 M_☉

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