| 词条 | NGC 7070 |
| 释义 |
| name = NGC 7070 | image = | caption = | epoch = J2000 | type = SA(s)cd[1] | ra = {{RA|21|30|25.3}}[1] | dec = {{DEC|-43|05|14}}[1] | dist_ly = {{convert|29.6|Mpc|Mly|0|abbr=on|lk=on}}[1] (estimated) | z = 0.007925/2376 km/s[1] | appmag_v = 12.80[1] | size_v = 2.3 x 1.8[1] | constellation name = Grus | names = ESO 287-28, AM 2127-431, IRAS 21272-4318, MCG -7-44-16, PGC 66869 [1] }}NGC 7070 is a spiral galaxy located about 100 million light-years away in the constellation of Grus.[2][3] It has a close companion galaxy called NGC 7070A.[4] NGC 7070 was discovered by astronomer John Herschel on September 5, 1834.[5] Group membershipNGC 7070 is a member of a group of galaxies known as the NGC 7079 group.[6] See also
External links{{WikiSky}}References1. ^1 2 3 4 5 6 7 {{cite web | title=NASA/IPAC Extragalactic Database | work=Results for NGC 7070 | url=http://nedwww.ipac.caltech.edu/ | accessdate=2017-07-10}} {{Ngc75}}2. ^{{Cite web|url=https://dso-browser.com/deep-sky/8261/ngc-7070/galaxy|title=Galaxy NGC 7070 - Galaxy in Grus Constellation · Deep Sky Objects Browser|last=Rojas|first=Sebastián García|website=DSO Browser|language=en|access-date=2017-07-11}} 3. ^{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+7070&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=2017-07-11}} 4. ^{{Cite journal|last=Brosch|first=N|last2=Mayo Greenberg|first2=J.|last3=Grosbol|first3=P. J|date=25 September 1984|title=Extragalactic dust. I - NGC 7070A|journal=Astronomy and Astrophysics|volume=143|pages=399–407|bibcode=1985A&A...143..399B}} 5. ^{{Cite web|url=http://cseligman.com/text/atlas/ngc70a.htm#7051|title=New General Catalog Objects: NGC 7050 - 7099|website=cseligman.com|language=en-US|access-date=2017-07-01}} 6. ^{{Cite journal|last=Fouque|first=P.|last2=Proust|first2=D.|last3=Quintana|first3=H.|last4=Ramirez|first4=A.|date=30 September 1993|title=Dynamics of the Pavo-Indus and Grus clouds of galaxies|url=http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1993A%26AS..100..493F&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf|journal=Astronomy and Astrophysics Supplement Series|volume=100|pages=493–500|bibcode = 1993A&AS..100..493F }} 5 : Spiral galaxies|Grus (constellation)|NGC objects|Principal Galaxies Catalogue objects|Astronomical objects discovered in 1834 |
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