NGC 449
| NGC449 | |
|---|---|
 NGC 449 as seen by theHubble Space Telescope | |
| Observation data (J2000epoch) | |
| Constellation | Pisces |
| Right ascension | 01h16m07.2s[1] |
| Declination | +33° 05′ 22″[1] |
| Redshift | 0.015946[1] |
| Heliocentric radial velocity | 4,780 km/s[1] |
| Apparent magnitude(V) | 15.01[1] |
| Absolute magnitude(V) | −20.37[1] |
| Characteristics | |
| Type | (R')S?[1] |
| Apparent size(V) | 0.8' × 0.5'[1] |
| Other designations | |
| MRK0001,CGCG502-018,MCG+05-04-009,2MASXJ01160722+3305218, 2MASXi J0116072+330521,IRAS01133+3249,PGC4587.[1] | |
NGC 449is aspiral galaxyof type (R')S? located in the constellationPisces.It was discovered on November 11, 1881 byÉdouard Stephan.It was described byDreyeras "very faint, very small, round, very little brighter middle, very faint star involved."[2]
NGC 449 is anactive galaxy,specifically aSeyfert galaxy.[3]Thesupermassive black holeat the center of NGC 449 is1.32×107M☉,and matter from itsaccretion diskis currently accreting at a rate of2.54×10−2M☉per year.[3]
References
[edit]- ^abcdefghi"NASA/IPAC Extragalactic Database".Results for NGC 0449.RetrievedSeptember 2,2016.
- ^"New General Catalog Objects: NGC 400–449".Cseligman.RetrievedApril 23,2017.
- ^abGuo, Xiaotong; Gu, Qiusheng; Xu, Jun; Fang, Guanwen; Ge, Xue; Chen, Yongyun; Yu, Xiaoling; Ding, Nan (2023). "Multiwavelength Analysis of a Nearby Heavily Obscured AGN in NGC 449".Publications of the Astronomical Society of the Pacific.135(1043): 014102.arXiv:2301.05398.Bibcode:2023PASP..135a4102G.doi:10.1088/1538-3873/acb294.
External links
[edit]
Media related toNGC 449at Wikimedia Commons
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