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Star Gliese 440

White dwarf Gliese 440 is located 15 light years away from the Sun. It is a single star of spectral class DQ6, that has 56 % of solar mass. For now, there are no known exoplanets in this star system.
Sun distance
15 light years
galaxy map

Gliese 440

White dwarf (spectral class DQ6)

Location

Ascension iconRight ascension: 11h 45m 49.603s
Declination iconDeclination: -64° 50' 34.99'' (southern hemisphere)
Parallax iconParallax: 215.675
Distance iconSun distance: 15.123 ly | 4.6 pc

Basic characteristic

icon weight
Mass: 56 % M Sun | 587 M Jupiter
temperature iconTemperature: 7880 K | 1.36 T Sun
time iconAge: 1.44 billions years | 0.31 Sun
luminosity iconLuminosity: 0.0005 L Sun
(No known exoplanets yet)

Photometry

Magnitude iconApparent magnitude (V): 11.5
Magnitude iconAbsolute magnitude (V): 13.2
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 Gliese 440
Temperature on its surface is around 7880 K (7607 °C), which is about 136 % of Sun's temperature.
      Gliese 440 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
LP 145-141, HIC 57367, HIP 57367, BPM 7108, Ci 20 658, EGGR 82, L 145-141, LAWD 37, LHS 43, LPM 396, LTT 4364, NLTT 28447, PLX 2716, PM 11429-6434, WD 1142-645, TYC 8981-4417-1, GSC 08981-04418, 2MASS J11454297-6450297, Gaia EDR3 5332606522595645952
External sources
simbad icon
Simbad database (LAWD 37)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 5332606522595645952)
Archive from the Gaia mission
icon study
First semi-empirical test of the white dwarf mass–radius relationship using a single white dwarf via astrometric microlensing
Scientific study, 06. 12. 2022
Closest stars

 Gliese 3618
 0.1 M☉ 2.2 ly

2MASS J08173001-6155158
 0.01 M☉ 6.6 ly

DEN 1048-3956
 0.07 M☉ 6.7 ly

Gliese 1128
 0.17 M☉ 7.2 ly

WISE 1639-6847
 - 7.5 ly
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