| 词条 | NGC 2357 |
| 释义 |
| name = NGC 2357 | epoch = J2000 | ra = {{RA|07|17|41}}[1] | dec = {{DEC|+23|21|24}}[1] | constellation name = Gemini | z = 0.007589[1] | dist_ly = 106.6 ± 11 Mly {{nowrap|(32.7 ± 3.4 Mpc)}}[1] | type = Scd[1] | appmag_v = 14.0[1] | size_v = 4.26' × 0.35'[1] | notes = | names = UGC 3782, PGC 20592.[1] }}NGC 2357 is a spiral galaxy located in the constellation of Gemini. It was discovered by Édouard Stephan on 6 February 1885.[2] SupernovaeSN 2010bj, a Type II-P supernova, was detected in February 2010, and SN 2015I, a Type Ia supernova was detected in May 2015.[3]References1. ^1 2 3 4 5 6 7 {{cite web|title=NED Results for object NGC 2357|url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=ngc+2357&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES|website=NASA/IPAC Extragalactic Database|accessdate=24 February 2017}} {{Astronomical catalogs|NGC=2357|UGC=3782|PGC=20592}}{{galaxy-stub}}2. ^{{cite web|last1=Seligman|first1=Courtney|title=NGC Objects 2350-2399|url=http://cseligman.com/text/atlas/ngc23a.htm#2357|website=Celestial Atlas|accessdate=24 February 2017}} 3. ^{{cite web|title=List of Supernovae|url=http://www.cbat.eps.harvard.edu/lists/Supernovae.html|website=IAU Central Bureau for Astronomical Telegrams|publisher=IAU|accessdate=19 February 2017}} 5 : Unbarred spiral galaxies|Gemini (constellation)|NGC objects|UGC objects|Principal Galaxies Catalogue objects |
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