| 词条 | NGC 393 |
| 释义 |
| name = NGC 393 | epoch = J2000 | ra = {{RA|01|08|36.9}}[1] | dec = {{DEC|+39|38|40}}[1] | constellation name = Andromeda | z = 0.020354[1] | h_radial_v = 6,102 km/s[1] | type = G[1] | appmag_v = 13.6[1] | size_v = 1.7' × 1.4'[1] | notes = | names = UGC 00707, CGCG 520-018, MCG +06-03-015, 2MASX J01083695+3938396, 2MASXi J0108369+393836, PGC 4061.[1] }}NGC 393 is a lenticular galaxy located in the constellation Andromeda. It was discovered on October 5, 1784 by William Herschel. It was described by Dreyer as "faint, very small, very little extended, gradually brighter middle, four small (faint) stars near."[2] References1. ^1 2 3 4 5 6 7 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 0393 | url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+393extend=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 | accessdate=September 2, 2016}} {{Ngc5}}{{galaxy-stub}}2. ^{{cite web|title=New General Catalog Objects: NGC 350 - 399|url=http://cseligman.com/text/atlas/ngc3a.htm#393|publisher=Cseligman|accessdate=January 13, 2017}} 3 : NGC objects|Astronomical objects discovered in 1784|Andromeda (constellation) |
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