| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 03h 46m 38.3922s[1] |
| Declination | +22° 55′ 11.200″[1] |
| Apparent magnitude (V) | 9.43[2] |
| Characteristics | |
| Spectral type | F5V + M8[3] |
| U−B color index | 0.02[2] |
| B−V color index | 0.50[2] |
| Astrometry | |
| Radial velocity (Rv) | 6.32±0.44[1] km/s |
| Proper motion (μ) | RA: 19.924 mas/yr[1] Dec.: -43.549 mas/yr[1] |
| Parallax (π) | 7.1526 ± 0.0204 mas[1] |
| Distance | 456 ± 1 ly (139.8 ± 0.4 pc) |
| Details | |
| HD 23514 A | |
| Mass | 1.35[4] M☉ |
| Radius | 1.28[citation needed] R☉ |
| Luminosity | 2.8[citation needed] L☉ |
| Temperature | 6400[4] K |
| Metallicity | 9.95[citation needed] |
| Age | 120±10[3] Myr |
| HD 23514 B | |
| Mass | 0.06±0.01[4] M☉ |
| Temperature | 2600±100[4] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 23514, is a star in the Pleiades. It is a main-sequence star of class F6, and has been seen to have hot dust particles orbiting around it. These materials, otherwise known as planetesimals which orbit within a circumstellar disc, are evidence of possible planetary formation.[4] The debris disk shows evidence of being rich in silica.[5]
The star system itself is very young, in the 35~100 million years range,[4] meaning that it is very well likely at the stage of forming planets.
HD 23514 has a brown dwarf companion (HD 23154 B), estimated to have a mass of about 0.06 ± 0.01 solar masses and a temperature of 2,600 ± 100K, and separated by about 360 AU from the primary.[4] The spectra of HD 23154 B have been found to have features typical of late-M dwarfs, including FeH absorption, strong CO bands and Na I absorption, and a near-infrared spectral type of M8 ± 1 has been proposed.[3]
The star will be continuously studied to confirm whether it may be a potential candidate for planetary formation.[citation needed][timeframe?]
- ^ a b c d e Cite error: The named reference
GaiaDR3was invoked but never defined (see the help page). - ^ a b c d Cite error: The named reference
SIMBADwas invoked but never defined (see the help page). - ^ a b c Cite error: The named reference
Bowler2015was invoked but never defined (see the help page). - ^ a b c d e f g Cite error: The named reference
iopwas invoked but never defined (see the help page). - ^ Meng, Huan Y. A.; Su, Kate Y. L.; Rieke, George H.; Rujopakarn, Wiphu; Myers, Gordon; Cook, Michael; Erdelyi, Emery; Maloney, Chris; McMath, James; Persha, Gerald; Poshyachinda, Saran (2015-05-21). "Planetary Collisions outside the Solar System: Time Domain Characterization of Extreme Debris Disks". The Astrophysical Journal. 805 (1): 77. arXiv:1503.05610. Bibcode:2015ApJ...805...77M. doi:10.1088/0004-637X/805/1/77. ISSN 1538-4357. S2CID 117096761.