| 词条 | NGC 2748 |
| 释义 |
| name = NGC 2748 | image = NGC2748-hst-R814GB450.jpg | image_size = 300px |caption = NGC 2748 imaged by the Hubble Space Telescope | credit= | epoch = J2000.0 | ra = {{RA|09|13|43.0}}[1] | dec = {{DEC|+76|28|31}}[1] | dist_ly = | z = 0.004930[1] | appmag_v = 11.7[2] | size_v = 2.250 × 0.720 arcmin[1] | constellation name = Camelopardalis | type = Sbc[1] | notes = | names = }}NGC 2748 is a 12th magnitude spiral galaxy in the constellation Camelopardalis.[3] It was discovered September 2, 1828 by John Herschel.[3] It likely contains a supermassive black hole with a mass of 44 million {{Solar mass}}.[4] References1. ^1 2 3 4 {{cite web|title=NGC 2748|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+2748|website=Simbad|accessdate=7 July 2015}} 2. ^{{cite web|last1=Frommert|first1=Hartmut|title=NGC 2748|url=http://spider.seds.org/ngc/ngc.cgi?NGC2748|website=SEDS|accessdate=7 July 2015|archiveurl=https://www.webcitation.org/6ZpbRwpbY|archivedate=7 July 2015}} 3. ^1 {{cite web|last1=Seligman|first1=Courtney|title=Celestial Atlas: NGC Objects: NGC 2700 - 2749|url=http://cseligman.com/text/atlas/ngc27.htm#2748|website=cseligman.com|accessdate=7 July 2015|archiveurl=https://www.webcitation.org/6ZpZS3p0c|archivedate=7 July 2015}} 4. ^https://arxiv.org/ftp/astro-ph/papers/0502/0502573.pdf External links
2 : NGC objects|Principal Galaxies Catalogue objects |
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