| 词条 | NGC 507 |
| 释义 |
| name = NGC 507 | image = File:NGC507 - NGC508 - SDSS DR14.png | caption = SDSS view of NGC 507 (bottom) and NGC 508 (top) | epoch = | pronounce = | constellation name = Pisces | ra = {{RA|01|23.7|00}}[1] | dec = {{DEC|+33|15|00}}[1] | z = 0.0165[2] | h_radial_v = 4934 +/- 7 km/s[3] | gal_v = 5079 +/- 9 km/s[3] | dist_pc = | dist_ly = 227 million light years away[2] | group_cluster = | type = E-S0[2] | mass = | mass_light_ratio = | size = | stars = | appmag_v = 11.3[1] | appmag_b = 12.3[1] | absmag_v = | size_v = 2.5 feet x 2.5 feet[2] | half_light_radius_pc = | half_light_radius_arcminsec = | h1_scale_length_pc = | h1_scale_length_arcminsec = | xray_radius_pc = | xray_radius_arcminsec = | notes = | names = rp 229, CGCG 502-67, MCG 5-4-44, PGC 5098, UGC 938, V V 207 | references = | sbrightness_specify= 13.5[2] }}NGC 507, also known as rp 229, CGCG 502-67, MCG 5-4-44, PGC 5098, UGC 938, and V V 207,[2] is a lenticular galaxy in the constellation Pisces. It was described as being "very faint", "pretty large", "round", "brighter in the middle", and "south of NGC 508" by John Dreyer in the New General Catalogue.[1] It was discovered by William Herschel on September 12, 1784.[4] See also
External links
References1. ^1 2 3 4 {{cite web|url=http://spider.seds.org/ngc/ngc.cgi?507|title=NGC 507|first=Hartmut|last=Frommert|website=spider.seds.org}} {{Ngc10}}{{Catalogs|PGC=5098|UGC=938|NGC=507}}{{Sky|01|23.7|00||+33|15|00|190000000}}{{galaxy-stub}}2. ^1 2 3 4 5 {{cite web|url=https://dso-browser.com/deep-sky/1397/ngc-507/galaxy|title=Galaxy NGC 507 · Deep Sky Objects Browser|first=Sebastián García|last=Rojas|website=DSO Browser}} 3. ^1 {{cite web|url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+507&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|title=Your NED Search Results|website=ned.ipac.caltech.edu}} 4. ^{{cite web|url=http://cseligman.com/text/atlas/ngc5.htm#507|title=New General Catalog Objects: NGC 500 - 549|website=cseligman.com}} 4 : Pisces (constellation)|Lenticular galaxies|NGC objects|Discoveries by William Herschel |
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