Astronomy:NGC 9
From HandWiki
| NGC 9 | |
|---|---|
 NGC 9 (Sloan Digital Sky Survey) | |
| Observation data (J2000 epoch) | |
| Constellation | Pegasus |
| Right ascension | 00h 08m 54.7s [1] |
| Declination | +23° 49′ 01″[1] |
| Redshift | 0.015104[1] |
| Helio radial velocity | 4528 ± 10 km/s[1] |
| Distance | 142 ± 31 Mly (43.5 ± 9.5 Mpc)[2] |
| Apparent magnitude (V) | 14.35 [1] |
| Absolute magnitude (V) | —18.69 |
| Characteristics | |
| Type | Sb: pec [1] |
| Apparent size (V) | 1.3' x 0.7' [1] |
| Other designations | |
| UGC 78,[1] PGC 652 [1] | |
NGC 9 is a spiral galaxy about 140 million light-years away in the Pegasus constellation. It was discovered on 27 September 1865 by Otto Wilhelm von Struve.[3]
One supernova has been observed in NGC 9: SN 2021zju (type Ib, mag. 18.15).[4]
See also
- NGC
- UGC
- List of NGC objects
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "NED results for object NGC 0009". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. 2008. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+9&extend=no&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ "Distance Results for NGC 0009". NASA/IPAC Extragalactic Database. http://nedwww.ipac.caltech.edu/cgi-bin/nDistance?name=NGC+0009.
- ↑ Steinicke, Wolfgang (2010). Observing and Cataloguing Nebulae and Star Clusters. Cambridge University Press. pp. 283. ISBN 9780521192675.
- ↑ "SN 2021zju". IAU. https://www.wis-tns.org/object/2021zju.
External links
- NGC 9 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
00h 08m 54.7s, +23° 49′ 01″
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