Phi Sagittarii

E459123

Phi Sagittarii is a bright B-type giant star in the constellation Sagittarius, notable as one of the stars forming the asterism known as the Teapot.

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Statements (48)

Predicate Object
instanceOf B-type star
giant star
star
age_Myr about 100
apparentMagnitudeV 3.17
asterism Teapot NERFINISHED
bayerDesignation Phi Sgr NERFINISHED
φ Sagittarii NERFINISHED
belongsTo Milky Way NERFINISHED
catalogIdentifier BD−27 13010 NERFINISHED
HD 173300 NERFINISHED
HIP 92041 NERFINISHED
HR 7042 NERFINISHED
SAO 187602 NERFINISHED
colorIndexB−V −0.09
constellation Sagittarius NERFINISHED
coreFusion helium shell or advanced hydrogen shell burning
declination −26° 59′ 00″
distanceFromEarth_ly approximately 260 light-years
distanceFromEarth_pc approximately 80 parsecs
dominantColor blue-white
effectiveTemperature_K about 12000
equatorialCoordinateSystem ICRS NERFINISHED
evolutionaryStage post-main-sequence
formsPartOf Sagittarius Teapot asterism NERFINISHED
galacticLatitude_deg about −8
galacticLongitude_deg about 7
galacticPopulation thin disk
hasPhotometricBand Johnson B NERFINISHED
Johnson V
hemisphere southern celestial hemisphere
locatedIn Sagittarius constellation region near the Galactic Center
luminosity_solar about 500
mass_solar about 4.5
opticalCompanion yes
opticalCompanionDescription has a faint optical companion star at small angular separation
parallax_mas about 12.5
properMotionDec_mas/yr about −39
properMotionRA_mas/yr about −7
radialVelocity_km/s approximately −13
radius_solar about 5
rightAscension 18h 43m 12s
rotationalVelocity_km/s about 70
skyRole navigation reference star in Sagittarius region
spectralClass B8II
variableStar no
visibleFrom Northern Hemisphere NERFINISHED
Southern Hemisphere NERFINISHED

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

the Teapot hasPart Phi Sagittarii