| 词条 | NGC 694 |
| 释义 |
| name = NGC 694 | image = NGC694 - SDSS DR14.jpg | caption = NGC 694 (SDSS) | epoch = J2000.0 | constellation name = Aries | ra = {{RA|01|50|58.50}} | dec = {{DEC|+21|59|51.00}} | z = 0.009840 | h_radial_v = {{nowrap|2950 ± 4 km/s}} | dist_ly = 136 Mly | appmag_b = 14.30 [5] | appmag_v = 13.30 [5] | type = S0 [5] | size_v = 0.6 x 0.4 [5] | names = PGC 6816, MCG +04-05-020, UGC 1310 }}NGC 694 is a spiral galaxy approximately 136 million light-years away from Earth in the constellation of Aries.[9] It was discovered by German astronomer Heinrich Louis d'Arrest on December 2, 1861 with the 11-inch refractor at Copenhagen.[10] Nearby galaxiesNGC 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.[1][12] IC 167 lies 5.5 arcminutes to the south-southeast.[10] Supernova SN 2014buSupernova SN 2014bu was discovered in NGC 694 on June 17, 2014 by Berto Monard. [14] SN 2014bu had magnitude about 15.5 and was located at (coordinates: RA 01h50m58.4s, DEC +22d00m00s, J2000.0). It was classified as type II-P supernova. [14] Image gallerySee also
External links
References1. ^{{cite journal |last1=Garcia, A. M. |title=General study of group membership. II - Determination of nearby groups |journal=Astronomy and Astrophysics Supplement Series |date=1993 |volume=100 |issue=1 |pages=47–90 |url=http://cdsarc.u-strasbg.fr/ftp/J/A+AS/100/47/table2.dat |issn=0365-0138 |bibcode=1993A&AS..100...47G}} [2][3][4][5][6]2. ^1 2 3 4 {{cite web|title=Revised NGC Data for NGC 694|url=http://spider.seds.org/ngc/revngcic.cgi?NGC694|website=spider.seds.org|accessdate=March 3, 2019}} 3. ^1 {{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC%20694|title=NGC 694|accessdate=March 3, 2019}} 4. ^1 2 {{cite web|title=Data for NGC 694|url=http://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%201%20-%20999%20(11-30-17).htm|website=www.astronomy-mall.com|accessdate=March 3, 2019}} 5. ^1 2 {{cite web|title=Transient Name Server (TNS)|url=https://wis-tns.weizmann.ac.il/object/2014bu|website=wis-tns.weizmann.ac.il|accessdate=March 3, 2019}} 6. ^1 {{cite journal |last1=Noordermeer |first1=E. |last2=van der Hulst |first2=J. M. |last3=Sancisi |first3=R. |last4=Swaters |first4=R. A. |last5=van Albada |first5=T. A. |title=The Westerbork HI survey of spiral and irregular galaxies. III. HI observations of early-type disk galaxies |journal=Astronomy & Astrophysics |volume=442 |issue=1 |pages=137-157 |date=2005 |arxiv=astro-ph/0508319 |doi=10.1051/0004-6361:20053172 }} }}{{Ngc10}}{{Catalogs|PGC=6816|UGC=1310|NGC=694}}{{Sky|01|50|58.50||21|59|51.00|190000000}} 6 : Spiral galaxies|Aries (constellation)|NGC objects|Principal Galaxies Catalogue objects|Astronomical objects discovered in 1861|Discoveries by Heinrich d'Arrest |
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