Delta Sextantis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Sextans |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | +5.25[2] |
| Characteristics | |
| Spectral type | B9.5 V[3] |
| U−B Template:Engvar | −0.12[2] |
| B−V Template:Engvar | −0.04[2] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[4] km/s |
| Proper motion (μ) | RA: −48.86[1] mas/yr Dec.: −13.43[1] mas/yr |
| Parallax (π) | 10.13±0.23 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | +0.22[5] |
| Details | |
| Mass | 2.58[6] Template:Solar mass |
| Radius | 2.3[7] Template:Solar radius |
| Luminosity | 82[8] Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val".[6] cgs |
| Temperature | Script error: No such module "val".[6] K |
| Metallicity [Fe/H] | −0.51[3] dex |
| Rotational velocity (v sin i) | 152[9] km/s |
| Age | 146[6] Myr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[10] | |
| Database references | |
| SIMBAD | data |
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Delta Sextantis (δ Sex, δ Sextantis) is a solitary[11] star in the equatorial constellation of Sextans. With an annual parallax shift of 10.13 mas,[1] it lies at a distance of around 322 light years from the Sun. This star is faintly visible to the naked eye, having an apparent visual magnitude of +5.25.[2] According to the Bortle scale, that means it can be viewed from dark suburban skies.
This is a B-type main sequence star with a stellar classification of B9.5 V;[3] just shy of being a cooler A-type star. It is estimated to have 2.6[6] times the Sun's mass and 2.3[7] times the radius of the Sun. It is 146[6] million years old, with a projected rotational velocity of 152[9] km/s. The star radiates 82[8] times the solar luminosity from its outer atmosphere at an effective temperature of 10,899 K.[6]
References
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- ↑ a b c d e f g Script error: No such module "citation/CS1".
- ↑ a b Script error: No such module "citation/CS1".
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- ↑ Template:Cite simbad
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