词条 | NGC 1723 |
释义 |
}}{{Infobox galaxy | name = NGC 1723 | image = Galaxy group in Eridanus (NGC 1721, NGC 1723, NGC 1725, and NGC 1728).jpg | image_size = 220px | caption = Galaxy group in Eridanus showing NGC 1721, NGC 1723, NGC 1725, and NGC 1728 | credit = Kopernik Observatory & Science Center, Vestal NY | epoch = J2000 | pronounce = | constellation name = Eridanus | ra = {{RA|04|59|25.9}}[1] | dec = {{DEC|-10|58|50}}[1] | z = 0.012479 [1] | h_radial_v = 3 741 ± 7 km/s [1] | gal_v = 3 630 ± 8 km/s [1] | dist_ly = {{convert|166.3|Mly|Mpc|1|abbr=on|lk=on}} {{hub|0.73}} [1] | group_cluster = | type = | mass = | stars = | appmag_v = | size_v = 46.88 × 29.30 {{hub|0.73}} kpc [1] | notes = | names = | references = }} NGC 1723 is a galaxy in the New General Catalogue. References1. ^1 2 3 4 5 6 {{cite web | url = http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+1723&extend=no | title = NED results for object NGC 1723 | publisher = NASA/IPAC Extragalactic Database (NED) | accessdate = March 15, 2012 }} {{Sky|04|59|25.9|-|10|58|50|166339800}}{{Galaxy}}{{galaxy-stub}} 3 : Eridanus (constellation)|Barred spiral galaxies|NGC objects |
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。