NGC 5640

{{Short description|Galaxy in the constellation Camelopardalis}} {{Infobox Galaxy | name = [[New General Catalogue|NGC]] 5640 | image = File:NGC 5640 PanS.jpg | caption = NGC 5640 ([[Pan-STARRS]]) | epoch = [[J2000.0]] | constellation name = [[Camelopardalis (constellation)|Camelopardalis]] | ra = {{RA|14|20|40.81}} <ref name="Database" /> | dec = {{DEC|+80|07|23.20}} <ref name="Database" /> | z = 0.047386 <ref name="Database" /> | h_radial_v = {{nowrap|14206 ± 35 [[Metre per second|km/s]]}} <ref name="Database" /> | dist_ly = 660 M[[light-year|ly]]<ref name="Database" /> | appmag_b = 15.60 <ref name="Revised_NGC" /> | appmag_v = 14.70 <ref name="Revised_NGC" /> | type = Sa <ref name="Revised_NGC" /> | size_v = 0.9 x 0.4 <ref name="Revised_NGC" /> | names = [[Principal Galaxies Catalogue|PGC]] 51263, [[Catalogue of Galaxies and Clusters of Galaxies|CGCG]] 353.35 }}

'''NGC 5640''' is a [[spiral galaxy]] approximately [[1 E22 m|660 million]] [[light-year]]s away from Earth in the [[constellation]] of [[Camelopardalis (constellation)|Camelopardalis]].<ref name="Database" /> It was discovered by British astronomer [[William Herschel]] on December 20, 1797.<ref name="astronomy-mall" />

== Supernova SN 1996ah == Supernova [[SN 1996ah]] was discovered in NGC 5640 on June 6, 1996 by [[Jean Mueller]], who was using the [[Samuel Oschin telescope|1.2-m Oschin Schmidt telescope]] in the course of the second [[Palomar Observatory#Research|Palomar Sky Survey]].<ref name="harvard" />

SN 1996ah had magnitude about 18 and was located southwest of the centre of NGC 5640 (coordinates: RA 14h20m39.020s, DEC +80d07m21.00s, [[J2000.0]]).<ref name="harvard" /><ref name="Database" /> It was classified as [[Type Ia supernova]].<ref name="Database" />

== See also == * [[List of NGC objects (5001–6000)]]

==References== <references> <ref name="Database">{{cite web|title=NASA/IPAC Extragalactic Database|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+5640|website=ned.ipac.caltech.edu|access-date=December 3, 2017}}</ref>

<ref name="Revised_NGC">{{cite web|title=Revised NGC Data for NGC 5640|url=http://spider.seds.org/ngc/revngcic.cgi?NGC5640|website=spider.seds.org|access-date=December 3, 2017}}</ref>

<ref name="harvard">{{cite web|title=Central Bureau for Astronomical Telegrams|url=http://www.cbat.eps.harvard.edu/iauc/06400/06421.html#Item1|website=www.cbat.eps.harvard.edu|access-date=December 3, 2017}}</ref>

<ref name="astronomy-mall">{{cite web|title=Data for NGC 5640|url=http://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%205000%20-%205999%20(11-30-17).htm|website=www.astronomy-mall.com|access-date=December 9, 2017}}</ref> </references>

== External links == {{commons category}} * {{WikiSky}} * [http://spider.seds.org/ngc/revngcic.cgi?NGC5640 SEDS]

{{DEFAULTSORT:NGC 5640}} [[Category:Spiral galaxies]] [[Category:Camelopardalis]] [[Category:NGC objects|5640]] [[Category:Principal Galaxies Catalogue objects|51263]] [[Category:Astronomical objects discovered in 1797]] [[Category:Discoveries by William Herschel]]