HD 145457
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Corona Borealis |
| Right ascension | 16h 10m 03.91437s[1] |
| Declination | +26° 44′ 33.8937″[1] |
| Apparent magnitude (V) | 6.57[2] |
| Characteristics | |
| Evolutionary stage | Giant[3] |
| Spectral type | K0 III[4] |
| B−V color index | +1.037±0.005[2] |
| Absolute magnitude (MV) | 1.09[2] |
| Details | |
Gyr | |
| Database references | |
| SIMBAD | data |
HD 145457 is a
Ainu mythology. With an apparent magnitude of 6.57,[8] it is barely visible to the unaided eye on dark nights clear of light pollution. It is drifting closer to the Sun with a radial velocity of −3.2 km/s.[1]
HD 145457 is an aging
Companion
HD 145457 has a companion called HD 145457 b discovered in 2010. 2.9 times as massive as
semimajor axis is 0.76 AU. HD 145457 b was discovered by precise Doppler measurements with the Subaru Telescope.[8]
As part of the
Okinawan language meaning natural beauty.[7]
References
- ^ .
- ^ S2CID 119257644.
- ^ S2CID 118675933.
- ^ Bibcode:1956PDDO....2..107H.
- ^ S2CID 119211560.
- ^ "HD 145457". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-02-04.
- ^ a b "Japan". NameExoworlds. IAU. Retrieved 2019-12-30.
- ^ S2CID 119113950.
- .
- S2CID 118383042.