NGC 2403
E395666
NGC 2403 is a nearby spiral galaxy in the constellation Camelopardalis, notable for its active star formation and numerous observed supernovae.
All labels observed (1)
| Label | Occurrences |
|---|---|
| NGC 2403 canonical | 4 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
galaxy
ⓘ
intermediate spiral galaxy ⓘ spiral galaxy ⓘ |
| apparentMagnitudeV | 8.9 ⓘ |
| apparentSize | 21.9′ × 12.3′ ⓘ |
| belongsToGroup | M81 Group ⓘ |
| bestSeenInMonth | February ⓘ |
| catalogDesignation |
NGC 2403
self-link
ⓘ
PGC 21396 ⓘ UGC 3918 ⓘ |
| constellation | Camelopardalis ⓘ |
| contains |
extended H I gas disk
ⓘ
massive star-forming complex NGC 2403-I ⓘ |
| declination | +65° 36′ 09″ ⓘ |
| discoveredBy | William Herschel ⓘ |
| discoveryDate | 1788 ⓘ |
| distanceFromEarth |
approximately 2.5 megaparsecs
ⓘ
approximately 8 million light-years ⓘ |
| galacticLatitude | +29.2° ⓘ |
| galacticLongitude | 150.6° ⓘ |
| hasDustLanes | yes ⓘ |
| hasRotationCurve | used to study dark matter distribution ⓘ |
| hasSpiralArms | yes ⓘ |
| hasStarFormationActivity | high ⓘ |
| hostedEvent |
supernova SN 1954J
ⓘ
surface form:
luminous blue variable–like outburst SN 1954J
|
| inclination | approximately 60 degrees ⓘ |
| isMemberOf | M81 Group ⓘ |
| locatedIn |
M81 Group
ⓘ
surface form:
M81 Group region
|
| metallicity | sub-solar ⓘ |
| morphologicalType | SABcd ⓘ |
| notableFeature |
active star-forming regions
ⓘ
numerous H II complexes similar to those in M33 ⓘ prominent H II regions ⓘ |
| observableWith | small amateur telescopes ⓘ |
| observedInWavelength |
X-ray
ⓘ
infrared ⓘ optical ⓘ radio ⓘ |
| positionAngle | approximately 124 degrees ⓘ |
| radialVelocity | 131 km/s ⓘ |
| redshift | 0.000445 ⓘ |
| rightAscension | 07h 36m 51s ⓘ |
| similarTo |
Triangulum Galaxy
ⓘ
surface form:
Triangulum Galaxy (M33)
|
| supernovaObserved |
supernova SN 1954J
ⓘ
surface form:
SN 1954J
SN 2004dj ⓘ |
| supernovaTypeObserved | Type II-P ⓘ |
| surfaceBrightnessClass | low ⓘ |
| visibleFromHemisphere | Northern Hemisphere ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
SN 1954J