Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Ara |
Right ascension | 17h 01m 07.02279s[1] |
Declination | −56° 33′ 18.2902″[1] |
Apparent magnitude (V) | 6.38[2] |
Characteristics | |
Spectral type | B9 Si[3] |
B−V color index | 0.06[2] |
Variable type | α2 CVn |
Astrometry | |
Radial velocity (Rv) | 0.2[4] km/s |
Proper motion (μ) | RA: −3.88[1] mas/yr Dec.: −27.06[1] mas/yr |
Parallax (π) | 4.99 ± 0.71 mas[1] |
Distance | approx. 650 ly (approx. 200 pc) |
Details | |
Luminosity | 91[5] L☉ |
Temperature | 9,004[5] K |
Other designations | |
Database references | |
SIMBAD | data |
HD 153201 is a Bp star in the southern constellation of Ara. It is chemically peculiar star that displays an anomalous abundance of the element silicon in its spectrum.[3] This is a suspected variable star of the type known as Alpha² Canum Venaticorum.[6] There is a magnitude 9.86 companion star at an angular separation of 2.30″ along a position angle of 131°.[7]
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