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UPM J1235-3101
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Star UPM J1235-3101

Red dwarf UPM J1235-3101 is located 77 light years away from the Sun. It is a single star, that has typically about 25 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
77 light years
galaxy map

UPM J1235-3101

Red dwarf, High proper motion star

Location +

Ascension iconRight ascension: 12h 35m 37.622s
Declination iconDeclination: -31° 1' 5.517'' (southern hemisphere)
Parallax iconParallax: 42.366
Distance iconSun distance: 76.986 ly | 23.6 pc
Star position
The position of a star tells us where it appears in the sky, similar to how we use coordinates like latitude and longitude on Earth. In astronomy, the three main coordinates are right ascension, declination and distance. .. icon More about Star position in StellarGuide

Basic characteristic

icon weight
Mass: 40 % M Sun
| 377.1 M Jupiter
 (estimate)
+
Star mass
The mass of the star UPM J1235-3101 is unknown. Based on its other characteristics, it is estimated to be about 40 % of the Sun’s mass.

The mass of a star is the total amount of matter it contains. It is one of the most important properties of a star, as it determines almost everything about how the star lives, changes, and dies. In astronomy, star mass is usually measured in solar masses (M☉) — where 1 solar mass is equal to the mass of our Sun... icon More about Star mass in StellarGuide
radius icon
Size: 40 % R Sun
| 4 R Jupiter
(estimate)
+
Star size
Radius of the star UPM J1235-3101 is not known. Its estimated value based on other similar stars is about 40 % solar radii.

The size of a star refers to its radius — the distance from its center to its surface. Star size is usually measured in solar radii (R☉), where 1 solar radius equals approximately 696,000 kilometers. Depending on their type and life stage, stars can be much smaller or larger than the Sun... icon More about Star size in StellarGuide

Photometry

Magnitude iconApparent magnitude (V): 12.8
Magnitude iconAbsolute magnitude (V): 10.9
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
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
More about UPM J1235-3101
       UPM J1235-3101 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
Gaia EDR3 3470292824518708864
External sources
simbad icon
Simbad database (UPM J1235-3101)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 3470292824518708864)
Archive from the Gaia mission
Class of stars Red dwarf
Red dwarfs are small, relatively cool, reddish stars. They are by far the most common type of star in the solar neighborhood. Their mass typically ranges from about 8% to 50% of the Sun's mass.
Closest stars

 HD 106549
 - 5.9 ly

LP 853-5
 - 6.8 ly

UCAC4 293-070125
 - 7.3 ly

CE 273
 - 7.4 ly

UCAC3 123-152818
 - 7.7 ly
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