HD 125383
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Lupus[1] |
| A | |
| Right ascension | 14h 20m 09.7016s[2] |
| Declination | −43° 03′ 31.834″[2] |
| Apparent magnitude (V) | 5.77[3] |
| B | |
| Right ascension | 14h 20m 09.4278s[4] |
| Declination | −43° 03′ 30.025″[4] |
| Apparent magnitude (V) | 7.94[3] |
| Characteristics | |
| Evolutionary stage | giant + subgiant[5] |
| Spectral type | G8 III + G0 IV[6] |
| B−V color index | 0.907±0.001[1] |
| Astrometry | |
| A | |
| Radial velocity (Rv) | −19.0±0.4[1] km/s |
| Proper motion (μ) | RA: −9.840 mas/yr[2] Dec.: +7.828 mas/yr[2] |
| Parallax (π) | 7.9485±0.0563 mas[2] |
| Distance | 410 ± 3 ly (125.8 ± 0.9 pc) |
| Absolute magnitude (MV) | +0.3[1] |
| B | |
| Proper motion (μ) | RA: −7.301 mas/yr[4] Dec.: +5.219 mas/yr[4] |
| Parallax (π) | 8.0287±0.0361 mas[4] |
| Distance | 406 ± 2 ly (124.6 ± 0.6 pc) |
| Details[5] | |
| A | |
| Radius | 11.77+0.06 −0.05 R☉ |
| Luminosity | 84[1] L☉ |
| Surface gravity (log g) | 3.00±0.00 cgs |
| Temperature | 5,784+30 −46 K |
| B | |
| Radius | 2.02±0.08 R☉ |
| Surface gravity (log g) | 3.84+0.68 −0.52 cgs |
| Temperature | 5,947+71 −73 K |
| Other designations | |
| CD−42°9235, HD 125383, HIP 70054, HR 5362, WDS J14202-4304[7] | |
| Database references | |
| SIMBAD | HD 125383 A |
| HD 125383 B | |
HD 125383 is a binary star in the constellation Lupus. At a combined apparent magnitude of +5.55,[1] it is faintly visible to the naked eye in locations far from light pollution. Parallax measurements give distances of 410 light-years (125.8 parsecs) and 406 light-years (124.6 parsecs) for the primary and secondary, respectively.
