Delta3 Canis Minoris
Template:Other stars by Bayer designation
Template:Location mark Location of δ3 Canis Minoris (circled) | |
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Canis Minor |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | +5.81[2] |
| Characteristics | |
| Spectral type | B9 V[3] |
| U−B Template:Engvar | −0.09[2] |
| B−V Template:Engvar | −0.02[2] |
| Astrometry | |
| Radial velocity (Rv) | Template:Val[4] km/s |
| Proper motion (μ) | RA: −2.87[1] mas/yr Dec.: −6.33[1] mas/yr |
| Parallax (π) | 4.4602±0.1061 mas[5] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | +0.77[6] |
| Details | |
| Mass | Template:Val[7] Template:Solar mass |
| Radius | 2.1[8] Template:Solar radius |
| Luminosity | 175[7] Template:Solar luminosity |
| Temperature | 9,908[7] K |
| Rotational velocity (v sin i) | 259[7] km/s |
| Age | 310[6] Myr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[9] | |
| Database references | |
| SIMBAD | data |
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Delta3 Canis Minoris, Latinized from δ3 Canis Minoris, is a solitary,[10] white-hued star in the equatorial constellation of Canis Minor. Based upon a parallax of Template:Val as seen from Gaia spacecraft in its repeated orbits around the Sun, just beyond the Earth. This star is about 730 light years from the Solar System. At that distance, the visual magnitude of these stars is diminished by an extinction of more than 0.15 due to interstellar dust.[6] With an apparent visual magnitude of +5.81,[2] it is just bright enough to be faintly visible to the naked eye.
This is a B-type main-sequence star with a stellar classification of B9 V.[3] It is about Template:Val of the way through its main sequence lifetime and is spinning rapidly with a projected rotational velocity of 259 km/s.[7] The star has an estimated 3.16[7] times the mass of the Sun and about 2.1[8] times the Sun's radius. It is radiating 175 times the Sun's luminosity from its photosphere at an effective temperature of 9,908 K.[7]
References
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