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Stellar Catalog
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Ross 128
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Star Ross 128

Red dwarf Ross 128 is located 11 light years away from the Sun. It is a single flare star of spectral class dM4, that has 17 % of solar mass. There is at least one exoplanet in this system.
Sun distance
11 light years

Ross 128

Red dwarf (spectral class dM4)
flare star

Location

Ascension iconRight ascension: 11h 47m 45.052s
Declination iconDeclination: 0° 47' 56.832'' (equatorial region)
Parallax iconParallax: 296.305
Distance iconSun distance: 11.007 ly | 3.4 pc

Basic characteristic

icon weight
Mass: 16.8 % M Sun | 176 M Jupiter
radius icon
Size: 19.7 % R Sun | 2 R Jupiter
temperature iconTemperature: 3264 K | 0.56 T Sun
time iconAge: 9.45 billions years | 2.05 Sun
luminosity iconLuminosity: 0.00362 L Sun

1 exoplanet

Ross 128 b 0.05 AU 1.4 M 1.2 R 9.9 days

Photometry

Magnitude iconApparent magnitude (V): 11.2
Magnitude iconAbsolute magnitude (V): 13.5
5
10
15
20
25
30
35
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).
More about Ross 128
Nearby star Ross 128 is approximately 20 % of the size of Sun and temperature on its surface is around 3264 K (2991 °C), which is about 56 % of Sun's temperature.
       Ross 128 can be found in northern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. 
Other designations of this star
FI Virginis, FI Vir, G 010-050, GCTP 2730, GJ 447, Gliese 447, HIC 57548, HIP 57548, LHS 315, Vyssotsky 286, LTT 13240, LFT 852, LSPM PM I11477+0048, Gaia EDR3 3796072592206250624
External sources
simbad icon
Simbad database (Ross 128)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 3796072592206250624)
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

Wolf 359
0.11 M☉ 3.9 ly

FL Virginis
0.14 M☉ 4.3 ly

Gliese 3622
0.08 M☉ 5.7 ly

Lalande 21185
0.46 M☉ 6.6 ly

WISE 0855-0714
0.01 M☉ 7.6 ly
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