Sigma Sagittarii
E474414
Sigma Sagittarii is a bright blue-white giant star in the constellation Sagittarius, marking one of the prominent points of the Teapot asterism.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| σ Sagittarii | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
B-type star
ⓘ
astronomical object ⓘ giant star ⓘ star ⓘ |
| age_Myr | ~32 ⓘ |
| apparentMagnitudeV | 2.05 ⓘ |
| asterism | Teapot NERFINISHED ⓘ |
| bayerDesignation |
Sigma Sgr
NERFINISHED
ⓘ
σ Sagittarii NERFINISHED ⓘ |
| belongsTo | Milky Way NERFINISHED ⓘ |
| color | blue-white ⓘ |
| companionMagnitude | ~8.7 ⓘ |
| companionSeparation_arcsec | ~5.2 ⓘ |
| componentOf | Teapot asterism NERFINISHED ⓘ |
| constellation | Sagittarius NERFINISHED ⓘ |
| declination | −26° 17′ 48″ ⓘ |
| distanceFromEarth_ly | ~228 ⓘ |
| distanceFromEarth_pc | ~70 ⓘ |
| effectiveTemperature_K | ~20000 ⓘ |
| energySource | hydrogen fusion in core ⓘ |
| equatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| evolutionaryStage | main-sequence or slightly evolved B-type star ⓘ |
| flamsteedDesignation | 43 Sagittarii NERFINISHED ⓘ |
| galacticLatitude_deg | −11.36 ⓘ |
| galacticLongitude_deg | 6.40 ⓘ |
| galacticPopulation | Population I star ⓘ |
| hasCompanion | optical companion star ⓘ |
| hdNumber | HD 173300 NERFINISHED ⓘ |
| hemisphere | southern celestial hemisphere ⓘ |
| hipparcosNumber | HIP 92041 ⓘ |
| hrNumber | HR 7121 NERFINISHED ⓘ |
| isBrightStar | true ⓘ |
| luminosity_solar | ~3300 ⓘ |
| marksFeature | handle of the Teapot asterism ⓘ |
| mass_solar | ~5.9 ⓘ |
| metallicity_Fe/H | ~0.0 ⓘ |
| nakedEyeVisible | true ⓘ |
| parallax_mas | 14.3 ⓘ |
| radialVelocity_km/s | −15 ⓘ |
| radius_solar | ~4.5 ⓘ |
| rightAscension | 18h 55m 15.9s ⓘ |
| rotationalVelocity_km/s | ~165 ⓘ |
| simbadIdentifier | sig Sgr NERFINISHED ⓘ |
| spectralClass | B2V ⓘ |
| variableStar | false ⓘ |
| visibleFrom | Earth NERFINISHED ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
σ Sagittarii