| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 12h 50m 41.16426s[1] |
| Declination | −33° 59′ 57.6145″[1] |
| Apparent magnitude (V) | 4.90[2] |
| Characteristics | |
| Spectral type | B9V[3] |
| B−V color index | −0.031±0.002[2] |
| Astrometry | |
| Radial velocity (Rv) | +4.00±4.20[2] km/s |
| Proper motion (μ) | RA: −30.421[1] mas/yr Dec.: −16.157[1] mas/yr |
| Parallax (π) | 8.5873 ± 0.2402 mas[1] |
| Distance | 380 ± 10 ly (116 ± 3 pc) |
| Absolute magnitude (MV) | −0.53[2] |
| Details | |
| Radius | 3.0[4] R☉ |
| Luminosity | 182.13[2] L☉ |
| Age | 321[5] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 111597 is a suspected astrometric binary[7] star system in the southern constellation of Centaurus. It has the Bayer designation p Centauri, while HD 111597 is the star's identifier from the Henry Draper catalogue. The system is visible to the naked eye as a faint point of light with an apparent visual magnitude of 4.90.[2] It is located at a distance of approximately 380 light years from the Sun based on parallax,[1] and has an absolute magnitude of −0.53.[2] The system is a probable member of the Sco OB2 association of co-moving stars.[8] The visible component is a B-type main-sequence star with a stellar classification of B9V.[3]
GaiaDR2 was invoked but never defined (see the help page).Anderson2012 was invoked but never defined (see the help page).houk1979 was invoked but never defined (see the help page).Fracassini2001 was invoked but never defined (see the help page).Gontcharov2012 was invoked but never defined (see the help page).SIMBAD was invoked but never defined (see the help page).Eggleton2008 was invoked but never defined (see the help page).Rizzuto2011 was invoked but never defined (see the help page).