Star SCR J0740-4257

Red dwarf SCR J0740-4257 is located 26 light years away from the Sun. It is a single star of spectral class M4.5 , that has typically about 25 % of solar mass. For now, there are no known exoplanets in this star system.

SCR J0740-4257

Red dwarf, High proper motion star

Spectral class: M4.5

Location

Right ascension: 7h 40m 11.104s

Declination: -42° 57' 32.216'' (southern hemisphere)

Parallax: 125.303

Sun distance: 26.029 ly | 8 pc

Basic characteristic

Mass: 20 % M Sun (estimate)

Size: 20 % R Sun (estimate)

Temperature: 3102 K | 0.54 T Sun

Photometry

Apparent magnitude (V): 13.8

Absolute magnitude (V): 14.3

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

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

SCR J0740-4257 system structure

SCR J0740-4257

More about SCR J0740-4257

Nearby star SCR J0740-4257 is approximately 20 % of the size of Sun and temperature on its surface is around 3102 K (2829 °C), which is about 54 % of Sun's temperature.

       SCR J0740-4257 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
UCAC4 236-016971, 2MASS J07401183-4257406, PM J07401-4257, TIC 123480394, Gaia EDR3 5535361753834861312

External sources

Simbad database (SCR J0740-4257)

Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)

Gaia database (Gaia EDR3 5535361753834861312)

Archive from the Gaia mission

Class of stars Red dwarf

Red dwarfs are small reddish stars, that are by far the most common type of star in solar neighborhood. Their mass is usually between 10 and 50 % of solar mass.

Closest stars

2MASS 0729-3954	0.04 M☉	1.7 ly
Gliese 257	0.25 M☉	3.5 ly
Gliese 318	0.45 M☉	7.5 ly
WISE J071322.55-291751.9	-	8.2 ly
AP Columbae	0.25 M☉	9.8 ly

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