| 词条 | NGC 173 |
| 释义 |
| name = NGC 173 | image = File:NGC173 - SDSS DR14.jpg | caption = SDSS image of NGC 173 | epoch = J2000 | ra = {{RA|00|37|12.5}}[1] | dec = {{DEC|+01|56|32}}[1] | constellation name = Cetus | z = 0.014563[1] | dist_ly = | type = G[1] | appmag_v = 13.7[1] | size_v = 3.2' × 2.6'[1] | notes = | names = UCG 00369, CGCG 383-043, MCG +00-02-092, 2MASS J00371247+0156321, IRAS F00346+0140, PGC 2223.[1] }} NGC 173 is a spiral galaxy located approximately 3.8 million light-years away in the constellation Cetus. AppearanceNGC 173 is more complicated than other galaxies; it comprises millions of stars that are classified as type G, more than any other type of star. Its arms expand around 2 inch from its foundation. Possible planetsAlthough no planetary systems have been found, astronomers will observe it and find out if there are any possible planets. References1. ^1 2 3 4 5 6 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 0173 | url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+173&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 | accessdate=2016-09-02}} {{Ngc5}} 2 : NGC objects|Cetus (constellation) |
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