GK Persei
E554034
GK Persei is a well-known cataclysmic variable star and classical nova in the constellation Perseus, famous for its dramatic 1901 nova outburst and expanding nebular remnant.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
binary star system
ⓘ
cataclysmic variable star ⓘ classical nova ⓘ |
| accretionMechanism | accretion disk ⓘ |
| apparentMagnitudeAtMaximum |
0.0–0.2
ⓘ
0.2 ⓘ |
| apparentMagnitudeQuiescent | ~13 ⓘ |
| catalogDesignation |
BD+43 807
NERFINISHED
ⓘ
GK Per NERFINISHED ⓘ HD 27045 NERFINISHED ⓘ HIP 17462 NERFINISHED ⓘ HR 1200 NERFINISHED ⓘ |
| constellation | Perseus NERFINISHED ⓘ |
| discoveredBy | Thomas David Anderson NERFINISHED ⓘ |
| discoveryMethod | visual observation ⓘ |
| distanceFromEarth |
~1500 light-years
ⓘ
~470 parsecs ⓘ |
| ejectedMaterial | expanding knots and filaments ⓘ |
| galacticPopulation | Milky Way NERFINISHED ⓘ |
| hasComponent |
K-type subgiant donor star
ⓘ
white dwarf ⓘ |
| hasRemnant | expanding nova shell ⓘ |
| locatedIn | northern celestial hemisphere ⓘ |
| notableFor |
being a prototype for studies of old nova remnants
ⓘ
dramatic 1901 nova outburst ⓘ well-resolved expanding nova remnant ⓘ |
| novaOutburstDate | 1901-02-21 ⓘ |
| novaOutburstYear | 1901 ⓘ |
| orbitalPeriod | ~1.9968 days ⓘ |
| otherName |
Nova Persei
NERFINISHED
ⓘ
Nova Persei 1901 NERFINISHED ⓘ X-ray source 4U 0302+30 NERFINISHED ⓘ |
| outburstType |
classical nova
ⓘ
recurrent dwarf-nova-like outbursts ⓘ |
| peakBrightnessComparison | became one of the brightest novae of the 20th century ⓘ |
| remnantExpansion | measurable proper motion of nebular knots ⓘ |
| remnantObservedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| remnantType | nova remnant nebula ⓘ |
| shows |
X-ray emission
ⓘ
dwarf nova outbursts ⓘ optical variability ⓘ |
| spectralTypeCompanion | K2IV ⓘ |
| variableStarType |
dwarf nova-like cataclysmic variable
ⓘ
intermediate polar ⓘ |
| whiteDwarfSpinPeriod | ~351 seconds ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.