HD 196050
HD 196050 is a triple star system located in the southern constellation of Pavo. This system has an apparent magnitude of 7.50 and the absolute magnitude is 4.01. It is located at a distance of 165 light-years (51 parsecs) from the Sun based on parallax, and is drifting further away with a radial velocity of +61 km/s. It is also called by the Hipparcos designation HIP 101806.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pavo |
| Right ascension | 20h 37m 51.70984s |
| Declination | −60° 38′ 04.1460″ |
| Apparent magnitude (V) | 7.50 + 10.62 + 15.6 |
| Characteristics | |
| Spectral type | G3V + M1.5-M4.5 + M2.5-M5.5 |
| B−V color index | 0.667±0.010 |
| Astrometry | |
| Radial velocity (Rv) | +61.37±0.12 km/s |
| Proper motion (μ) | RA: −191.118(14) mas/yr Dec.: −65.020(15) mas/yr |
| Parallax (π) | 19.7872 ± 0.0205 mas |
| Distance | 164.8 ± 0.2 ly (50.54 ± 0.05 pc) |
| Absolute magnitude (MV) | 4.01 |
| Details | |
| A | |
| Mass | 1.18±0.02 M☉ |
| Radius | 1.46+0.02 −0.03 R☉ |
| Luminosity | 2.213+0.007 −0.006 L☉ |
| Surface gravity (log g) | 4.32 cgs |
| Temperature | 5,834+55 −52 K |
| Metallicity [Fe/H] | 0.34±0.06 dex |
| Rotation | 16.0 d |
| Rotational velocity (v sin i) | 3.0 km/s |
| Age | 2.5±1.3 Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.