PGC 54493 is a barred spiral galaxy[2] located about 490 million light-years away[3] in the constellation Serpens.[4] It is part of a galaxy group called Abell 2052.[5] It has an estimated diameter of 140,000 light-years.[3]
| PGC 54493 | |
|---|---|
 The spiral galaxy PGC 54493 as imaged by the HST. | |
| Observation data (J2000 epoch) | |
| Constellation | Serpens |
| Right ascension | 15h 16m 19.1s[1] |
| Declination | 07° 09′ 44″[1] |
| Redshift | 0.035995/10791 km/s[1] |
| Distance | 485.7 Mly |
| Group or cluster | Abell 2052 |
| Apparent magnitude (V) | 15.1 |
| Characteristics | |
| Type | S0/S [1] |
| Size | ~141,750 ly (estimated)[1] |
| Apparent size (V) | 0.85 x 0.62[1] |
| Other designations | |
| CGCG 049-082, 2MASX J15161917+0709442[1] | |
See also
edit- Messier 109, another galaxy with a similar appearance in the constellation Ursa Major
References
edit- ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for PGC 54493. Retrieved 2017-08-09.
- ^ Plait, Phil (2016-04-29). "The Warped Path to Understanding the Universe". Slate. ISSN 1091-2339. Retrieved 2017-08-09.
- ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-10.
- ^ "Spiral in Serpens". www.spacetelescope.org. Retrieved 2017-08-10.
- ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-10.
External links
edit- PGC 54493 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- Simbad entry on PGC 54493
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