| 词条 | NGC 3884 |
| 释义 |
| name = NGC 3884 | image = | caption = SDSS image of NGC 3884. | epoch = J2000 | type = SA(r)0/a, LINER[1] | ra = {{RA|11|46|12.2}}[1] | dec = {{DEC|20|23|30}}[1] | dist_ly = {{convert|100|Mpc|Mly|abbr=on|lk=on|order=flip}}[1] | group_cluster = Leo Cluster | h_radial_v = 7026 km/s[1] | z = 0.023436[1] | appmag_v = 13.5[1] | size_v = 1.64 x 1.10[1] | constellation name = Leo | names = CGCG 127-52, MCG 4-28-51, PGC 36706, UGC 6746[1] |size=~{{convert|65|kpc|ly|abbr=on|lk=on|order=flip}} (estimated)[1] }}NGC 3884 is a spiral galaxy located about 330 million light-years away[2] in the constellation Leo.[3] The galaxy was discovered by astronomer William Herschel on April 27, 1785[4] and is a member of the Leo Cluster.[5][6][7] Although it is classified as a LINER galaxy,[8][9] NGC 3884 is also classified as a type 1 seyfert galaxy.[10][2] SN 2018ynOn February 23, 2018, a type Ic supernova designated as SN 2018yn was discovered in NGC 3884.[11][12][13] See also
References1. ^1 2 3 4 5 6 7 8 9 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 3884 | url=http://nedwww.ipac.caltech.edu/ | accessdate=2018-08-08}} 2. ^1 {{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+3884&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|access-date=2018-08-09}} 3. ^{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC3884|title=Revised NGC Data for NGC 3884|website=spider.seds.org|access-date=2018-08-09}} 4. ^{{Cite web|url=https://cseligman.com/text/atlas/ngc38a.htm#3884|title=New General Catalog Objects: NGC 3850 - 3899|last=|first=|date=|website=cseligman.com|language=en-US|archive-url=|archive-date=|dead-url=|access-date=2018-07-17}} 5. ^{{Cite journal|last=J.|first=Donas|last2=V.|first2=Buat|last3=B.|first3=Milliard|last4=M.|first4=Laget|date=August 1990|title=Ultraviolet observations of galaxies in nearby clusters. I - Star formation rate in spiral galaxies of Abell 1367|journal=Astronomy and Astrophysics|language=en|volume=235|pages=60|issn=0004-6361|bibcode=1990A&A...235...60D}} 6. ^{{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC++3884&NbIdent=query_hlinks&Coord=11+46+12.1815824499+20+23+29.916246389&parents=7&submit=parents&hlinksdisplay=h_all|title=NGC 3884|access-date=2018-08-09}} 7. ^{{Cite web|url=http://leda.univ-lyon1.fr/fG.cgi?n=a104&o=NGC3884|title=Hierarchy catalogue|website=leda.univ-lyon1.fr|access-date=2018-08-09}} 8. ^{{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+3884&QueryType=ned|title=NGC 3884|access-date=2018-08-09}} 9. ^{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=NGC+3884|title=Detailed Object Classifications|website=ned.ipac.caltech.edu|access-date=2018-08-09}} 10. ^{{Cite journal|last=Reddy|first=Naveen A.|last2=Yun|first2=Min S.|date=2004|title=Radio and Far-Infrared Emission as Tracers of Star Formation and Active Galactic Nuclei in Nearby Cluster Galaxies|url=http://stacks.iop.org/0004-637X/600/i=2/a=695|journal=The Astrophysical Journal|language=en|volume=600|issue=2|pages=695–715|doi=10.1086/379871|issn=0004-637X|arxiv=astro-ph/0309649|bibcode=2004ApJ...600..695R}} 11. ^{{Cite web|url=http://rochesterastronomy.org/sn2018/index.html#2018yn|title=Bright Supernovae - 2018.|last=dbishopx@gmail.com|website=rochesterastronomy.org|access-date=2018-08-09}} 12. ^{{Cite web|url=https://sne.space/sne/AT2018yn/|title=AT2018yn - The Open Supernova Catalog|website=sne.space|language=en-US|access-date=2018-08-09}} 13. ^{{Cite web|url=https://sne.space/sne/AT2018yn/|title=AT2018yn - The Open Supernova Catalog|website=sne.space|language=en-US|access-date=2018-08-09}} External links{{WikiSky}}{{Ngc40}} 9 : NGC objects|Principal Galaxies Catalogue objects|Leo (constellation)|Leo Cluster|Astronomical objects discovered in 1785|Spiral galaxies|Seyfert galaxies|LINER galaxies|UGC objects |
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