Astronomy:NGC 694
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Short description: Spiral galaxy in the constellation Aries
| NGC 694 | |
|---|---|
 NGC 694 (SDSS) | |
| Observation data (J2000.0 epoch) | |
| Constellation | Aries |
| Right ascension | 01h 50m 58.50s [1] |
| Declination | +21° 59′ 51.00″ [1] |
| Redshift | 0.009840 [1] |
| Helio radial velocity | 2950 ± 4 km/s [1] |
| Distance | 136 Mly |
| Apparent magnitude (V) | 13.30 [2] |
| Apparent magnitude (B) | 14.30 [2] |
| Characteristics | |
| Type | S0 [2] |
| Apparent size (V) | 0.6 x 0.4 [2] |
NGC 694 is a spiral galaxy approximately 136 million light-years away from Earth in the constellation of Aries.[3] It was discovered by German astronomer Heinrich Louis d'Arrest on December 2, 1861 with the 11-inch refractor at Copenhagen.[4]
Nearby galaxies
NGC 694 is a member of a small galaxy group known as the NGC 691 group, the main other members of which are NGC 680, NGC 691 and NGC 697.[5][6] IC 167 lies 5.5 arcminutes to the south-southeast.[4]
Supernova SN 2014bu
Supernova SN 2014bu was discovered in NGC 694 on June 17, 2014 by Berto Monard.[7]
SN 2014bu had magnitude about 15.5 and was located at RA 01h50m58.4s, DEC +22d00m00s, J2000.0.[1] It was classified as type II-P supernova.[7]
Image gallery
NGC 694 (NASA/ESA HST)
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "NASA/IPAC Extragalactic Database". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+694.
- ↑ 2.0 2.1 2.2 2.3 "Revised NGC Data for NGC 694". http://spider.seds.org/ngc/revngcic.cgi?NGC694.
- ↑ "NGC 694". http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC%20694.
- ↑ 4.0 4.1 "Data for NGC 694". http://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%201%20-%20999%20(11-30-17).htm.
- ↑ Garcia, A. M. (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series 100 (1): 47–90. ISSN 0365-0138. Bibcode: 1993A&AS..100...47G. http://cdsarc.u-strasbg.fr/ftp/J/A+AS/100/47/table2.dat.
- ↑ Noordermeer, E.; van der Hulst, J. M.; Sancisi, R.; Swaters, R. A.; van Albada, T. A. (2005). "The Westerbork HI survey of spiral and irregular galaxies. III. HI observations of early-type disk galaxies". Astronomy & Astrophysics 442 (1): 137–157. doi:10.1051/0004-6361:20053172. Bibcode: 2005A&A...442..137N.
- ↑ 7.0 7.1 "Transient Name Server (TNS)". https://wis-tns.weizmann.ac.il/object/2014bu.
External links
- NGC 694 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
Coordinates: 
01h 50m 58.50s, 21° 59′ 51.00″
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