NGC 2403 V14
File:NGC 2403 V14 Seen through SDSS {{{caption}}} | |
| Observation data Epoch {{{epoch}}} Equinox | |
|---|---|
| Constellation | Camelopardalis |
| Right ascension | 07h 36m 56.2338s |
| Declination | +65° 36' 42.115" |
| Apparent magnitude (V) | 19.30[1] |
| Astrometry | |
| Distance | 10,414,800 ly |
| Orbit | |
| Details | |
| Mass | 100-130 Solar Masses M☉ |
| Radius | 1,492 Solar Radius R☉ |
| Luminosity | 5,000,000 Solar Luminosities L☉ |
| Habitable zone inner limit | >1000 AU |
| Habitable zone outer limit | >1000 AU |
| Age | 20-10 Million years years |
| 0.02-0.01 Gyr | |
| Position (relative to {{{primary}}}) | |
| Other designations | |
| Database references | |
| Data sources: | |
NGC 2403 V14 is a yellow hypergiant star (YHG) located in the spiral galaxy NGC 2403 and is 10 million light-years away, located in the constellation of Camelopardalis.[2]
Discovery
NGC 2403 V14 was discovered in February 1968, by Tammann & Sandage et al. 1968 and was classified as a probable very bright blue irregular variable.[3]
Properties of NGC 2403 V14
NGC 2403 V14 has a luminosity of 3.436 million times more luminous than the Sun.
NGC 2403 V14 has a temperature of 7,000 kelvin.
NGC 2403 V14 is 1,260 times larger than the Sun.
NGC 2403 V14 is 60 times more massive than the Sun.
NGC 2403 V14 is the largest and most luminous star discovered in NGC 2403 and is classified as a rare F-type yellow hypergiant and is the most luminous discovered yellow hypergiant.[4]
References
- ↑ Samus, N. N.; Durlevich, O. V.; Al, Et (2004). "VizieR Online Data Catalog: Combined General Catalogue of Variable Stars (Samus+ 2004)". VizieR Online Data Catalog. 2250: II/250.
- ↑ "EV* N2403 V0014". simbad.cds.unistra.fr. Retrieved 2026-02-20.
- ↑ Tammann, G. A.; Sandage, Allan (March 1968). "The Stellar Content and Distance of the Galaxy NGC 2403 IN the M81 Group". The Astrophysical Journal. 151: 825. Bibcode:1968ApJ...151..825T. doi:10.1086/149487. ISSN 0004-637X.
- ↑ Humphreys, Roberta M.; Stangl, Sarah; Gordon, Michael S.; Davidson, Kris; Grammer, Skyler H. (2018-12-27). "Luminous and Variable Stars in NGC 2403 and M81*". The Astronomical Journal. 157 (1): 22. doi:10.3847/1538-3881/aaf1ac. ISSN 0004-6256.
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