Gamma Sculptoris
Template:Location mark Location of γ Sculptoris (circled) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sculptor |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 4.41[2] |
| Characteristics | |
| Evolutionary stage | red clump[3] |
| Spectral type | K1 III[4] |
| U−B Template:Engvar | +1.06[5] |
| B−V Template:Engvar | +1.13[5] |
| Astrometry | |
| Radial velocity (Rv) | +15.60[6] km/s |
| Proper motion (μ) | RA: +20.13[1] mas/yr Dec.: −77.72[1] mas/yr |
| Parallax (π) | 17.90±0.19 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | 0.67[2] |
| Details[3] | |
| Mass | Script error: No such module "val". Template:Solar mass |
| Radius | Script error: No such module "val". Template:Solar radius |
| Luminosity | Script error: No such module "val". Template:Solar luminosity |
| Surface gravity (log g) | Script error: No such module "val". cgs |
| Temperature | Script error: No such module "val". K |
| Metallicity [Fe/H] | Script error: No such module "val". dex |
| Rotational velocity (v sin i) | 1.7[7] km/s |
| Age | Script error: No such module "val".Template:SndScript error: No such module "val". Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[8] | |
| Database references | |
| SIMBAD | data |
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Gamma Sculptoris, Latinized from γ Sculptoris, is a single,[9] orange-hued star in the constellation Sculptor. Based upon an annual parallax shift of 17.90 mas as seen from Earth,[1] this star is located about 182 light years from the Sun. It is bright enough to be visible to the naked eye with an apparent visual magnitude of 4.41.[2] It is moving away from the Sun with a radial velocity of +15.6 km/s.[6]
This is an evolved K-type giant star with a stellar classification of K1 III.[4] At the age of four to six billion years it is a red clump star on the horizontal branch, which means it is generating energy through helium fusion at its core. The star has 1.15 to 1.31 times the mass of the Sun and it has expanded to 11.6 times the Sun's radius. It is radiating 53 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,580 K.[3]
References
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- ↑ a b c d e f Script error: No such module "Citation/CS1". Vizier catalog entry
- ↑ a b c Script error: No such module "Citation/CS1". Vizier catalog entry
- ↑ a b c Script error: No such module "Citation/CS1".
- ↑ a b Script error: No such module "Citation/CS1".
- ↑ a b Script error: No such module "Citation/CS1".Vizier catalog entry
- ↑ a b Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1". Vizier catalog entry
- ↑ Template:Cite simbad
- ↑ Script error: No such module "Citation/CS1".
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