LP 145-141
LP 145-141, also known as LAWD 37, is an isolated white dwarf located 15.1 light-years (4.6 parsecs) from the Solar System in the constellation Musca. According to a 2009 paper, it is the fourth closest known white dwarf to the Sun (after Sirius B, Procyon B, and van Maanen's star.)
LP 145-141 seen by the Hubble Space Telescope | |
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
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Constellation | Musca |
Right ascension | 11h 45m 42.91694s |
Declination | −64° 50′ 29.4620″ |
Apparent magnitude (V) | 11.50 |
Characteristics | |
Spectral type | DQ6 |
U−B color index | -0.59 |
B−V color index | +0.19 |
Astrometry | |
Proper motion (μ) | RA: 2661.640 mas/yr Dec.: -344.933 mas/yr |
Parallax (π) | 215.6753 ± 0.0181 mas |
Distance | 15.123 ± 0.001 ly (4.6366 ± 0.0004 pc) |
Details | |
Mass | 0.56 ± 0.08 M☉ |
Radius | 0.01 R☉ |
Luminosity | 0.0005 L☉ |
Surface gravity (log g) | 8.27 ± 0.05 cgs |
Temperature | 8,500 ± 300 K |
Age | (as white dwarf) 1.44 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
LP 145-141 Location of LP 145-141 in the constellation Musca |
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