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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]

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]
Helio 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

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. "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved March 3, 2019.
  2. "Revised NGC Data for NGC 694". spider.seds.org. Retrieved March 3, 2019.
  3. "NGC 694". Retrieved March 3, 2019.
  4. "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. "Transient Name Server (TNS)". wis-tns.weizmann.ac.il. Retrieved March 3, 2019.



На других языках


[de] NGC 694

NGC 694 ist eine Balken-Spiralgalaxie vom Hubble-Typ SBcd im Sternbild Widder auf der Ekliptik. Sie ist schätzungsweise 136 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 25.000 Lichtjahren. Sie ist Mitglied der zehn Galaxien umfassenden NGC 691-Gruppe (LGG 34). Im gleichen Himmelsareal befinden sich u. a. die Galaxien NGC 680, NGC 691, IC 167, IC 1730.
- [en] NGC 694

[ru] NGC 694

NGC 694 (другие обозначения — UGC 1310, IRAS01481+2144, MCG 4-5-20, ZWG 482.24, MK 363, 5ZW 122, PGC 6816) — линзообразная галактика (S0) в созвездии Овен.



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