★ Star Gliese 257 | Nearby stars catalogue

Binary star Gliese 257 is located 26.2 light years away from the Sun. It is a system with 2 stars. For now, there are no known exoplanets in this system.

Gliese 257 A

Red dwarf (spectral class M3.5 V)

Mass: 0.25 M Sun

Size: 0.29 R Sun (estimate)

Apparent magnitude (V): 11.48

(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

Gliese 257 B

Red dwarf (spectral class M3 D)

Mass: 0.24 M Sun

Size: 0.46 R Sun (estimate)

Apparent magnitude (V): 11.29

(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 Gliese 257

      Nearby star Gliese 257 can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope.

Other designations of this star
CD-44 3045B, GJ 257 B, CSI-44 3045 23, LPM 248B, CD-44 3045, HIC 33499, HIP 33499, LHS 222, LFT 502, LTT 2699, NLTT 17239, LPM 248, Ci 20 407, GJ 257, Gaia DR2 5559035514779133056, Gaia EDR3 5559035514779971456

External sources

Sources

Simbad database (CD-44 3045B )

Gaia database (Gaia EDR3 5559035514776717312)

Closest stars

Distance (Light Years)		Mass (Solar mass)


3.3	2MASS 0729-3954	0.04 M_☉

3.5	SCR J0740-4257	0 M_☉

7	AP Columbae	0.25 M_☉

8.4	WISE J071322.55-291751.9	0 M_☉

10.9	Gliese 318	0.45 M_☉

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