| 词条 | NGC 1728 |
| 释义 |
}}{{Infobox galaxy | name = NGC 1728 | image = Galaxy group in Eridanus (NGC 1721, NGC 1723, NGC 1725, and NGC 1728).jpg | image_size = 400px | 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|27.7}} [1] | dec = {{DEC|-11|07|23}} [1] | z = 0.012552 [1] | h_radial_v = 3 763 ± 11 km/s [1] | gal_v = 3 651 ± 12 km/s [1] | dist_ly = {{convert|167.3|Mly|Mpc|1|abbr=on|lk=on}} {{hub|0.73}} [1] | group_cluster = | type = Sa pec edge-on [1] | mass = | stars = | appmag_v = | size_v = 29.5 × 10.3 {{hub|0.73}} kpc [1] | notes = | names = | references = }} NGC 1728 is a galaxy in the New General Catalogue. References1. ^1 2 3 4 5 6 7 {{cite web | url = http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+1728&extend=no | title = NED results for object NGC 1728 | publisher = NASA/IPAC Extragalactic Database (NED) | accessdate = March 15, 2012 }} {{Sky|04|59|27.7|-|11|07|23|167318000}}{{Galaxy}}{{galaxy-stub}} 3 : Eridanus (constellation)|Spiral galaxies|NGC objects |
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