18 Boötis
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 19m 16.27966s[1] |
| Declination | +13° 00′ 15.4859″[1] |
| Apparent magnitude (V) | 5.41[2] |
| Characteristics | |
| Spectral type | F3 V[3] |
| B−V color index | 0.385±0.011[2] |
| Absolute magnitude (MV) | 3.33[2] |
| Details | |
Gyr | |
| Database references | |
| SIMBAD | data |
18 Boötis is a single″ along a position angle of 219°, as of 2010.[11]
This is an
subgiant star. It shows strong evidence for short-term chromospheric variability, although it is not optically variable.[13]
18 Boötis is an estimated 1.15blackbody temperature fit of 65 K.[5]
References
- ^ .
- ^ S2CID 119257644.
- ^ S2CID 119476992.
- ^ S2CID 33401607.
- ^ S2CID 118438871, 15.
- S2CID 119241004.
- ^ S2CID 53666672.
- ^ a b "18 Boo". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved May 8, 2019.
- S2CID 14878976.
- .
- doi:10.1086/323920, retrieved 2015-07-22.
- Bibcode:1962RGOB...51...79E.
- S2CID 693296.
