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NGC 694
NGC 694 (SDSS)
Observation data (J2000.0 epoch)
ConstellationAries
Right ascension01h 50m 58.50s [1]
Declination+21° 59′ 51.00″ [1]
Redshift0.009840 [1]
Heliocentric radial velocity2950 ± 4 km/s [1]
Distance136 Mly
Apparent magnitude (V)13.30 [2]
Apparent magnitude (B)14.30 [2]
Characteristics
TypeS0 [2]
Apparent size (V)0.6 x 0.4 [2]
Other designations
UGC 1310, MCG +04-05-02, PGC 6816

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]

See also

References

  1. ^ a b c d e "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved March 3, 2019.
  2. ^ a b c d "Revised NGC Data for NGC 694". spider.seds.org. Retrieved March 3, 2019.
  3. ^ "NGC 694". Retrieved March 3, 2019.
  4. ^ a b "Data for NGC 694". www.astronomy-mall.com. Retrieved March 3, 2019.
  5. ^ Garcia, A. M. (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100 (1): 47–90. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.
  6. ^ 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. arXiv:astro-ph/0508319. Bibcode:2005A&A...442..137N. doi:10.1051/0004-6361:20053172. S2CID 17596367.
  7. ^ a b "Transient Name Server (TNS)". wis-tns.weizmann.ac.il. Retrieved March 3, 2019.


source: https://en.wikipedia.org/wiki/NGC_694