| 词条 | NGC 784 |
| 释义 |
| name = NGC 784 | image = NGC 784 Hubble WikiSky.jpg | image_size = 200px | caption = NGC 784 galaxy seen by Hubble Space Telescope | credit = NASA | epoch = J2000 | type = SBdm?[1] | ra = {{RA|02|01|16.93}}[1] | dec = {{DEC|28|50|14.10}}[1] | dist_ly = {{convert|5|Mpc|Mly|abbr=on|lk=on}}[2] | z = | appmag_v = 12.23[1] | size_v = 6′.6 × 1′.5[1] | constellation name = Triangulum | notes = | names = PGC 7671[1] }}NGC 784 is a barred spiral galaxy about 16.0 Mly away in the constellation Triangulum. NGC 784 is located within the Virgo Supercluster.[1][2][3] References1. ^1 2 3 4 5 6 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 784 | url=http://nedwww.ipac.caltech.edu/ | accessdate=17 February 2013}} 2. ^1 {{cite journal|last=Zitrin|first=Adi|author2=Brosch, Noah |title=The NGC 672 and 784 galaxy groups: evidence for galaxy formation and growth along a nearby dark matter filament|journal=Monthly Notices of the Royal Astronomical Society|date=26 July 2008|volume=390|issue=1|pages=408–420|doi=10.1111/j.1365-2966.2008.13786.x|url=http://mnras.oxfordjournals.org/content/390/1/408.full|accessdate=18 February 2013|arxiv = 0808.1789 |bibcode = 2008MNRAS.390..408Z }} 3. ^{{cite web|title=NGC 784 -- Low Surface Brightness Galaxy|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+784&jsessionid=61C561FEFC7B0A353E310973596FF50D|publisher=SIMBAD|accessdate=18 February 2013}} External links
5 : Barred spiral galaxies|Virgo Supercluster|Triangulum (constellation)|NGC objects|Principal Galaxies Catalogue objects |
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