ξ Persei
E460829
ξ Persei is a hot, massive O-type star in the constellation Perseus, known as a bright runaway star with strong stellar winds.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Xi Persei | 2 |
| O7.5III (Xi Persei) | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
O-type star
ⓘ
massive star ⓘ runaway star ⓘ star ⓘ |
| age | about 6 million years ⓘ |
| apparentMagnitudeV | about 4.04 ⓘ |
| associatedWith | Perseus OB2 association NERFINISHED ⓘ |
| belongsTo | Milky Way NERFINISHED ⓘ |
| catalogIdentifier |
BD+34 784
NERFINISHED
ⓘ
FK5 120 NERFINISHED ⓘ HD 24912 NERFINISHED ⓘ HIP 18614 NERFINISHED ⓘ HR 1203 NERFINISHED ⓘ SAO 56699 NERFINISHED ⓘ |
| colorIndexBMinusV | about −0.24 ⓘ |
| constellation | Perseus NERFINISHED ⓘ |
| declination | +35° 47′ 28″ ⓘ |
| distanceFromEarth |
about 1800 light-years
ⓘ
about 550 parsecs ⓘ |
| effectiveTemperature | about 35000 K ⓘ |
| equatorialCoordinateSystem | J2000 ⓘ |
| galacticLatitude | about −17 degrees ⓘ |
| galacticLongitude | about 160 degrees ⓘ |
| galacticPopulation | Population I ⓘ |
| hasFeature |
line-profile variability
ⓘ
non-radial pulsations candidate ⓘ strong UV P Cygni profiles ⓘ |
| luminosity | about 2.8e5 times solar luminosity ⓘ |
| luminosityClass | III ⓘ |
| mass | about 26 solar masses ⓘ |
| observedIn |
X-ray band
ⓘ
optical band ⓘ ultraviolet band ⓘ |
| otherName |
Menkib
NERFINISHED
ⓘ
Xi Persei NERFINISHED ⓘ |
| parallax | about 1.8 milliarcseconds ⓘ |
| properMotionDec | about −3.9 mas/yr ⓘ |
| properMotionRA | about 1.6 mas/yr ⓘ |
| radialVelocity | about +57 km/s ⓘ |
| radius | about 14 solar radii ⓘ |
| rightAscension | 03h 58m 57s ⓘ |
| rotationalVelocityProjected | about 200 km/s ⓘ |
| runawayStatus | runaway from its birth association ⓘ |
| spectralClass | O ⓘ |
| spectralType | O7.5III ⓘ |
| stellarWind | strong ⓘ |
| stellarWindMassLossRate | about 2e-7 solar masses per year ⓘ |
| stellarWindTerminalVelocity | about 2450 km/s ⓘ |
| variableStarType | suspected variable ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
NGC 1499
this entity surface form:
Xi Persei
subject surface form:
NGC 1499
this entity surface form:
Xi Persei
subject surface form:
NGC 1499
this entity surface form:
O7.5III (Xi Persei)