Astronomy:NGC 3981
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Short description: Spiral galaxy in the constellation Crater
Coordinates: 
11h 56m 07.445s, -19° 53′ 46.24″
| NGC 3981 | |
|---|---|
| File:A Galactic Gem NGC 3981.tif | |
| Observation data (J2000[2] epoch) | |
| Constellation | Crater |
| Right ascension | 11h 56m 07.4s[3] |
| Declination | −19° 53′ 46″[3] |
| Redshift | 0.005747[3] |
| Helio radial velocity | 1723 km/s[3] |
| Distance | 62 Mly (19 Mpc)[2] |
| Group or cluster | NGC 4038 Group |
| Apparent magnitude (B) | 11.75[2] |
| Characteristics | |
| Type | SA(rs)bc[3] |
| Size | ~105,100 ly (32.22 kpc)[3] (estimated) |
| Apparent size (V) | 5.2 x 2.3[3] |
| Other designations | |
| UGCA 255, PGC 037496, Arp 289, MCG-03-31-001, ESO 572- G 020, VV 008[3] | |
NGC 3981 is an unbarred spiral galaxy located 62 million light-years away[4] in the constellation of Crater.[5] It was discovered on February 7, 1785 by William Herschel.[6]
NGC 3981 is a member of the NGC 4038 Group[7][8][9][10] which is part of the Virgo Supercluster.[8][11]
See also
References
- ↑ "A Galactic Gem". https://www.eso.org/public/images/eso1830a/.
- ↑ 2.0 2.1 2.2 "SIMBAD Astronomical Database - CDS (Strasbourg)". Results for NGC 3981. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+3981&submit=SIMBAD+search.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 "NASA/IPAC Extragalactic Database". Results for NGC 3981. http://nedwww.ipac.caltech.edu/.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+3981&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&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.
- ↑ "A Galactic Gem - ESO's FORS2 instrument captures stunning details of spiral galaxy NGC 3981" (in en-US). https://www.eso.org/public/usa/news/eso1830/.
- ↑ "New General Catalog Objects: NGC 3950 - 3999" (in en-US). https://cseligman.com/text/atlas/ngc39a.htm#3981.
- ↑ R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 978-0-521-35299-4.
- ↑ 8.0 8.1 P., Fouque; E., Gourgoulhon; P., Chamaraux; G., Paturel (May 1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members" (in en). Astronomy and Astrophysics Supplement Series 93: 211. ISSN 0365-0138. Bibcode: 1992A&AS...93..211F.
- ↑ M., Garcia, A. (July 1993). "General study of group membership. II - Determination of nearby groups" (in en). Astronomy and Astrophysics Supplement Series 100: 47. ISSN 0365-0138. Bibcode: 1993A&AS..100...47G.
- ↑ Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups" (in en). The Astrophysical Journal 543 (1): 178. doi:10.1086/317070. ISSN 0004-637X. Bibcode: 2000ApJ...543..178G. http://stacks.iop.org/0004-637X/543/i=1/a=178.
- ↑ Tully, R. B. (June 1982). "The Local Supercluster" (in en). The Astrophysical Journal 257: 389–422. doi:10.1086/159999. ISSN 0004-637X. Bibcode: 1982ApJ...257..389T.
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