| 词条 | NGC 777 |
| 释义 |
| name = NGC 777 | image = File:NGC777 - SDSS DR14.jpg | caption=NGC 777 | epoch = J2000 | ra = {{RA|2|00|14.934}}[1] | dec = {{DEC|-52|58|33}}[1] | constellation name = Triangulum | z = 0.016708[1] | h_radial_v = 5,015 km/s[2] | dist_ly = 189 million ly (58.075 mpc)[2] | type = E1[3] | appmag_v = 12[3] | size_v = 2.5' x 2.0'[3] | notes = | names =CGCG 503-67, MCG 5-5-38, PGC 7584, UGC 1476 }} NGC 777 is an elliptical galaxy in the constellation of Triangulum. It was discovered by William Herschel on September 12, 1784. References1. ^1 2 {{cite simbad | title=NGC 777 | accessdate=2016-11-26}} {{galaxy-stub}}2. ^1 {{cite web | title=Results for Object NGC 0777 | work=NASA/IPAC Extragalactic Database | url=https://ned.ipac.caltech.edu/ui/?q=objsearch&omegam=0.27&extend=no&out_csys=Equatorial&objname=NGC%20777&hconst=73&img_stamp=YES&list_limit=5&of=pre_text&out_equinox=J2000.0&corr_z=1&omegav=0.73&obj_sort=RA%20or%20Longitude | accessdate=2016-11-26}} 3. ^1 2 {{cite web | title=New General Catalog Objects: NGC 750 - 799 | work=Cseligman | url=http://cseligman.com/text/atlas/ngc7a.htm#777 | accessdate=2016-11-26}} 4 : NGC objects|Elliptical galaxies|Triangulum (constellation)|Astronomical objects discovered in 1784 |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。