| 词条 | NGC 4402 | |||
| 释义 |
| name = NGC 4402 | image = NGC 4402 Hubble heic0911c.jpg | image_size = 280px | caption = Hubble image of NGC 4402 | epoch = J2000 | constellation name = Virgo | ra = {{RA|12|26|07.566}}[1] | dec = {{DEC|+13|06|46.06}}[1] | z = 0.000774[3] | h_radial_v = 232[2] | dist_ly = {{convert|14.833|+/-|4.098|Mpc|Mly|abbr=on|lk=on|order=flip}}[2] | group_cluster = Virgo Cluster | type = (d)Sc[3] | size = {{convert|55000|ly|pc|abbr=on|lk=on}}[4] | appmag_b = 12.55[3] | size_v = 2.967' × 0.593'[1] | notes = Edge-on spiral galaxy near Markarian's Chain | names = UGC 7528, MCG+02-32-044, PGC 40644, VCC 873[3] }} NGC 4402 is a relatively near, edge-on spiral galaxy located around 50 million light-years from Earth. It is in the constellation of Virgo within the Virgo Cluster of galaxies. It can be seen when viewing Markarian's Chain. NGC 4402 is roughly 55 thousand light-years wide and is moving away from Earth at around 232 kilometers per second. It is falling into the Virgo galaxy cluster. Images show evidence that the material it once contained to enable it to form stars has been stripped away in a process known as "ram-pressure stripping". This is due to NGC 4402's cooler gasses being struck by hot x-ray gasses coming from the middle of the Virgo galaxy cluster as it moves toward it. The evidence is as follows:[5][6] [7]
The supernova SN 1976B was observed in NGC 4402 in 1976.[6][7] GalleryReferences1. ^1 2 {{cite journal|title=The Two Micron All Sky Survey (2MASS)|url=http://adsabs.harvard.edu/cgi-bin/nph-bib_query?db_key=AST&bibcode=2006AJ....131.1163S|author1=Skrutskie, M.|journal=The Astronomical Journal|volume=131|issue=2|pages=1163–1183|year=2006|doi=10.1086/498708|bibcode = 2006AJ....131.1163S}} 2. ^1 2 {{cite web|url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+4402&extend=no&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=NED results for object NGC 4402|accessdate=3 February 2017|publisher=National Aeronautics and Space Administration / Infrared Processing and Analysis Center }} 3. ^1 2 {{cite simbad|title=NGC 4402|accessdate 3 February 2017}} 4. ^{{cite web|url=http://cseligman.com/text/atlas/ngc44.htm#4402|title=New General Catalog Objects: NGC 4400 - 4449|author=Courtney Seligman|accessdate=3 February 2017}} 5. ^{{cite web|url=http://www.noao.edu/image_gallery/html/im0863.html|title=National Optical Astronomy Observatory|work=noao.edu|accessdate=4 October 2015}} 6. ^1 {{cite web|url=http://annesastronomynews.com/annes-picture-of-the-day-spiral-galaxy-ngc-4402/|title=NGC 4402, an edge-on spiral galaxy in Virgo - Anne's Astronomy News|work=annesastronomynews.com|accessdate=4 October 2015|date=2013-04-15}} 7. ^1 {{cite web|url=http://www.noao.edu/outreach/press/pr04/pr0406.html|title=NOAO Press Release 04-06: Galaxy Cleaned Out by Encounter with Hot Cluster Gas|work=noao.edu|accessdate=4 October 2015}} 8. ^{{cite web|url=http://www.eso.org/public/images/eso0919a/|title=Messier 87 in the Virgo Cluster|author=Eso.org|work=www.eso.org|accessdate=4 October 2015}} Further reading
6 : Spiral galaxies|Virgo (constellation)|Virgo Cluster|NGC objects|UGC objects|Principal Galaxies Catalogue objects |
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