Astronomy:NGC 4256
From HandWiki
| NGC 4265 | |
|---|---|
 Image of NGC 4256 | |
| Observation data (J2000 epoch) | |
| Constellation | Draco [1] |
| Right ascension | 2h 18m 43.0813s[2] |
| Declination | +65° 53′ 53.788″[2] |
| Redshift | 0.008303 ± 0.0000044 [2][3] |
| Helio radial velocity | 2489 ± 13 km/s[2][3] |
| Galactocentric velocity | 2606 ± 14km/s[2] |
| Distance | 124.7 ± 8.8 Mly (38.23 ± 2.69 Mpc) [2] |
| Apparent magnitude (V) | 12.1 [1] |
| Characteristics | |
| Size | ~1,065,200 ly (326.60 kpc) (estimated) |
| Other designations | |
| UGC 7351[2][4] | |
NGC 4256 is a large spiral galaxy seen edge-on and located in the constellation of Draco. NGC 4256 was discovered by the German-British astronomer William Herschel in 1790.[5]
NGC 4256 Group
NGC 4256 is the largest and brightest galaxy in a group of galaxies that bears its name. According to A.M. Garcia, the NGC 4256 group has at least 7 members. The other galaxies in the group are NGC 4108, NGC 4210, NGC 4221, NGC 4332, NGC 4513 and NGC 4108B (PGC 38461).[6]
See also
- List of NGC objects (4001-5000)
- List of NGC objects
References
- ↑ 1.0 1.1 "New General Catalog Objects: NGC 4256" (in en-US). https://theskylive.com/sky/deepsky/ngc4256-object.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 "New General Catalog Objects: 4256" (in en-US). https://ned.ipac.caltech.edu/byname?objname=NGC+4256&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1.
- ↑ 3.0 3.1 "Hunting for Supermassive Black Holes in Nearby Galaxies With the Hobby-Eberly Telescope" (in en-US). https://ui.adsabs.harvard.edu/abs/2015ApJS..218...10V/abstract.
- ↑ "Simbad - "NGC 4256"" (in en-US). https://simbad.cds.unistra.fr/object.html?object_name=NGC%204256.
- ↑ "New General Catalog Objects: NGC 4250 - 4299". https://cseligman.com/text/atlas/ngc42a.htm#4256.
- ↑ Garcia, A. M. (July 1993). "General study of group membership. II. Determination of nearby groups." (in en). Astronomy and Astrophysics Supplement Series 100: 47–90. ISSN 0365-0138. https://ui.adsabs.harvard.edu/abs/1993A&AS..100...47G/abstract.
External links
- NGC 4256 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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