M99
E517956
M99 is a bright, nearly face-on grand design spiral galaxy located in the constellation Coma Berenices and associated with the Virgo Cluster.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Virgo Cluster member
ⓘ
grand design spiral galaxy ⓘ spiral galaxy ⓘ |
| absoluteMagnitudeV | about −21 ⓘ |
| alsoKnownAs |
Messier 99
NERFINISHED
ⓘ
NGC 4254 NERFINISHED ⓘ PGC 39578 NERFINISHED ⓘ |
| apparentMagnitudeB | 10.4 ⓘ |
| apparentMagnitudeV | 9.9 ⓘ |
| apparentSize | 5.4′ × 4.7′ ⓘ |
| bestSeenInMonth | April ⓘ |
| cataloguedBy | Charles Messier NERFINISHED ⓘ |
| constellation | Coma Berenices NERFINISHED ⓘ |
| declination | +14° 24′ 59″ ⓘ |
| discoveredBy | Pierre Méchain NERFINISHED ⓘ |
| discoveryDate | 1781 ⓘ |
| distanceFromEarth |
~15.4 megaparsecs
ⓘ
~50 million light-years ⓘ |
| epoch | J2000 ⓘ |
| galaxyType | unbarred spiral galaxy ⓘ |
| hasSpiralArms | two main grand-design arms ⓘ |
| hasSupernova |
SN 1967H
NERFINISHED
ⓘ
SN 1972Q NERFINISHED ⓘ SN 1986I NERFINISHED ⓘ SN 2014L NERFINISHED ⓘ |
| inclinationToLineOfSight | nearly face-on ⓘ |
| interactionType | ram-pressure effects suspected ⓘ |
| interactionWith | Virgo Cluster intracluster medium ⓘ |
| isMemberOf | Virgo Cluster periphery ⓘ |
| locatedInCluster | Virgo Cluster NERFINISHED ⓘ |
| messierNumber | 99 ⓘ |
| morphologicalType | SA(s)c ⓘ |
| ngcNumber | 4254 ⓘ |
| notableFeature |
asymmetric spiral structure
ⓘ
distorted outer spiral arm ⓘ high star formation rate in arms ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ ultraviolet wavelengths ⓘ |
| partOf | Local Supercluster NERFINISHED ⓘ |
| radialVelocity | ~2400 km/s ⓘ |
| redshift | 0.0043 ⓘ |
| rightAscension | 12h 18m 49.6s ⓘ |
| surfaceBrightness | relatively high for a spiral galaxy ⓘ |
| visibleInHemisphere | Northern Hemisphere NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.