BD Phoenicis
Variable star in the constellation of Phoenix / From Wikipedia, the free encyclopedia
BD Phoenicis is a variable star in the constellation of Phoenix. From parallax measurements by the Gaia spacecraft, it is located at a distance of 256 light-years (78 parsecs) from Earth.[2] Its absolute magnitude is calculated at 1.5.[1]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Phoenix |
Right ascension | 01h 50m 54.44s[2] |
Declination | −50° 12′ 22.09″[2] |
Apparent magnitude (V) | 5.90 – 5.94[3] |
Characteristics | |
Spectral type | A1Va λ Boo[4] |
Variable type | δ Scuti[3] |
Astrometry | |
Radial velocity (Rv) | 3.0[5] km/s |
Proper motion (μ) | RA: -47.85[2] mas/yr Dec.: -3.70[2] mas/yr |
Parallax (π) | 12.7260 ± 0.0447 mas[2] |
Distance | 256.3 ± 0.9 ly (78.6 ± 0.3 pc) |
Absolute magnitude (MV) | 1.5 ± 0.1[1] |
Details | |
Mass | 2.02 ± 0.04[1] M☉ |
Luminosity | 20.5 ± 0.34[6] L☉ |
Surface gravity (log g) | 3.91 ± 0.08[1] cgs |
Temperature | 7,818 ± 38[6] K |
Rotational velocity (v sin i) | 120 ± 5 [1] km/s |
Age | 813+38 −89[1] Myr |
Other designations | |
Database references | |
SIMBAD | data |
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