HD 118508
From Wikipedia, the free encyclopedia
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Boötes |
Right ascension | 13h 36m 59.083s |
Declination | +24° 36′ 47.871″ |
Apparent magnitude (V) | 5.743 |
Characteristics | |
Spectral type | M2 III |
U−B color index | 1.85 |
B−V color index | 1.55 |
Variable type | Variable star variable star identification 6342 § |
Astrometry | |
Radial velocity (Rv) | -31 km/s |
Proper motion (μ) | RA: -25.95 mas/yr Dec.: -2.26 mas/yr |
Parallax (π) | 6.45 ± 0.78 mas |
Distance | approx. 510 ly (approx. 160 pc) |
Absolute magnitude (MV) | 7.339 |
Details | |
Mass | 0.4 M☉ |
Radius | 0.5 R☉ |
Luminosity | 0.04 L☉ |
Temperature | 2,000–3,500 K |
Other designations | |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 118508 is a variable star in the constellation Boötes.
References
|
This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.