Astronomy:NGC 694

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NGC 694
NGC 694 (SDSS)
Observation data (J2000.0 epoch)
ConstellationAries
Right ascension 01h 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

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

One supernova has been observed in NGC 694:

  • SN 2014bu was discovered by Berto Monard (it) on June 17, 2014 .[7][8] SN 2014bu had a magnitude of about 15.5 and was located at RA  01h 50m 58.45s, DEC +21° 59′ 59.78″, J2000.0.[1] It was classified as Type II-P supernova.[8]

See also

References

  1. ↑ 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. ↑ 2.0 2.1 2.2 2.3 "Revised NGC Data for NGC 694". http://spider.seds.org/ngc/revngcic.cgi?NGC694. 
  3. ↑ "NGC 694". http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC%20694. 
  4. ↑ 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. 
  5. ↑ 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. 
  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. doi:10.1051/0004-6361:20053172. Bibcode: 2005A&A...442..137N. 
  7. ↑ Monard, L. A. G. et al. (2014). "Supernova 2014bu in NGC 694 = PSN J01505845+2159598". Central Bureau Electronic Telegrams (3910): 1. Bibcode: 2014CBET.3910....1M. 
  8. ↑ 8.0 8.1 "Transient Name Server (TNS) entry for SN 2014bu". https://www.wis-tns.org/object/2014bu. 

Coordinates: Sky map 01h 50m 58.50s, 21° 59′ 51.00″



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