HR 3159
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| Observation data Epoch J2000.00 Equinox J2000.00 | |
|---|---|
| Constellation | Carina |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 4.81[2] |
| Characteristics | |
| Spectral type | B4V[3] |
| B−V Template:Engvar | Script error: No such module "val".[2] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[2] km/s |
| Proper motion (μ) | RA: −1.89[1] mas/yr Dec.: 19.21[1] mas/yr |
| Parallax (π) | 6.53±0.13 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | −1.11[2] |
| Details | |
| Mass | Script error: No such module "val".[4] Template:Solar mass |
| Radius | Script error: No such module "val".[5] Template:Solar radius |
| Luminosity | 912[6] Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val".[5] cgs |
| Temperature | 16,983[6] K |
| Metallicity [Fe/H] | Script error: No such module "val".[7] dex |
| Rotational velocity (v sin i) | 43[6] km/s |
| Age | Script error: No such module "val".[4] or 176[8] Myr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Database references | |
| SIMBAD | data |
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HR 3159 is a single[9] star in the southern constellation of Carina, positioned near the southern constellation border with Volans. It has the Bayer designation D Carinae; HR 3159 is the Bright Star Catalogue designation. This object has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of +4.81.[2] It is located at a distance of approximately 499 light years from the Sun based on parallax,[1] and is drifting further away with a radial velocity of 22 km/s.
This object is a B-type main-sequence star with a stellar classification of B4V,[3] which indicates it is undergoing core hydrogen fusion. The star has a radius of nearly four times the radius of the Sun,[5] and over six[4] times the Sun's mass. Age estimates range from 17[4] up to 176[8] million years old, and it is spinning with a projected rotational velocity of 43 km/s.[6] It is radiating 912[6] times the luminosity of the Sun from its photosphere at an effective temperature of 16,983 K.[6]
References
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