NGC 7057: Difference between revisions

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{{Short description|Galaxy in the constellation Microscopium}}
{{Infobox Galaxy
{{Infobox Galaxy
| name = [[New General Catalogue|NGC]] 7057
| name = [[New General Catalogue|NGC]] 7057
| image =File:NGC 7057.jpg
| image = NGC 7057.jpg
| image_size = 250px
| caption = The galaxy NGC 7057 as imaged by [[2MASS]].
| caption = The galaxy NGC 7057 as imaged by [[2MASS]].
| epoch = [[J2000]]
| epoch = [[J2000]]
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| work=Results for NGC 7057
| work=Results for NGC 7057
| url=http://nedwww.ipac.caltech.edu/
| url=http://nedwww.ipac.caltech.edu/
| accessdate=2017-07-03}}</ref>
| access-date=2017-07-03}}</ref>
| ra = {{RA|21|24|58.7}}<ref name="ned" />
| ra = {{RA|21|24|58.7}}<ref name="ned" />
| dec = {{DEC|-42|27|38}}<ref name="ned" />
| dec = {{DEC|-42|27|38}}<ref name="ned" />
| dist_ly = 202,446,000 [[ly]]
| dist_ly = 230.1 [[Mly]]
| z = 0.017962/5385 km/s<ref name="ned" />
| z = 0.017962<ref name="ned" />
| h_radial_v = 5,385 km/s<ref name="ned" />
| appmag_v = 12.60<ref name="ned" />
| appmag_v = 12.60<ref name="ned" />
| size_v = 1.4 x 1.0<ref name="ned" />
| size_v = 1.4 x 1.0<ref name="ned" />
Line 18: Line 21:
| names = ESO 287-17, AM 2121-424, MCG -7-44-4, [[Principal Galaxies Catalogue|PGC]] 66708<ref name="ned" />
| names = ESO 287-17, AM 2121-424, MCG -7-44-4, [[Principal Galaxies Catalogue|PGC]] 66708<ref name="ned" />
}}
}}
'''NGC 7057''' is an [[elliptical galaxy]] located about 248 million [[light-year]]s away in the [[constellation]] of [[Microscopium (constellation)|Microscopium]].<ref>{{Cite web|url=https://dso-browser.com/deep-sky/8247/ngc-7057/galaxy|title=Galaxy NGC 7057 - Galaxy in Microscopium Constellation · Deep Sky Objects Browser|last=Rojas|first=Sebastián García|website=DSO Browser|language=en|access-date=2017-07-03}}</ref><ref name=":0">{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+7057&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=2017-07-03}}</ref> NGC 7057 has a calculated velocity of 5385 km/s.<ref name=":0" /> NGC 7057 was discovered by astronomer [[John Herschel]] on September 2, 1836.<ref>{{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}}</ref>
'''NGC 7057''' is an [[elliptical galaxy]] located about 230 million [[light-year]]s away in the [[constellation]] of [[Microscopium (constellation)|Microscopium]].<ref>{{Cite web|url=https://dso-browser.com/deep-sky/8247/ngc-7057/galaxy|title=Galaxy NGC 7057 - Galaxy in Microscopium Constellation · Deep Sky Objects Browser|last=Rojas|first=Sebastián García|website=DSO Browser|language=en|access-date=2017-07-03}}</ref><ref name=":0">{{Cite web|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+7057&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=2017-07-03}}</ref> NGC 7057 was discovered by astronomer [[John Herschel]] on September 2, 1836.<ref>{{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}}</ref>

==Group membership==
NGC 7057 is a member of a group of galaxies known as the [[NGC 7060]] group. Other members of the group are [[NGC 7060]], [[NGC 7072]] and [[NGC 7072A]].<ref>{{Cite journal|last=Fouque|first=P.|last2=Proust|first2=D.|last3=Quintana|first3=H.|last4=Ramirez|first4=A.|date=1993-09-01|title=Dynamics of the Pavo-Indus and Grus clouds of galaxies|journal=Astronomy and Astrophysics Supplement Series|volume=100|pages=493–500|issn=0365-0138|bibcode=1993A&AS..100..493F}}</ref>


== See also ==
== See also ==
* [[List of NGC objects (7001–7840)]]
* [[List of NGC objects (7001–7840)]]
* [[NGC 7302]]
* [[NGC 7302]]

⚫
== References ==
⚫
{{reflist}}

== External links ==
== External links ==
{{WikiSky}}
{{WikiSky}}


{{Ngc75}}{{Microscopium}}
{{DEFAULTSORT:NGC 7057}}
[[Category:Elliptical galaxies]]
[[Category:Elliptical galaxies]]
[[Category:Microscopium]]
[[Category:Microscopium]]
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[[Category:Principal Galaxies Catalogue objects|66708]]
[[Category:Principal Galaxies Catalogue objects|66708]]
[[Category:Astronomical objects discovered in 1836]]
[[Category:Astronomical objects discovered in 1836]]
⚫
== References ==
⚫
{{reflist}}
{{Ngc75}}

Latest revision as of 23:54, 5 June 2023

NGC 7057
The galaxy NGC 7057 as imaged by 2MASS.
Observation data (J2000 epoch)
ConstellationMicroscopium
Right ascension21h 24m 58.7s[1]
Declination−42° 27′ 38″[1]
Redshift0.017962[1]
Heliocentric radial velocity5,385 km/s[1]
Distance230.1 Mly
Apparent magnitude (V)12.60[1]
Characteristics
TypeE[1]
Apparent size (V)1.4 x 1.0[1]
Other designations
ESO 287-17, AM 2121-424, MCG -7-44-4, PGC 66708[1]

NGC 7057 is an elliptical galaxy located about 230 million light-years away in the constellation of Microscopium.[2][3] NGC 7057 was discovered by astronomer John Herschel on September 2, 1836.[4]

Group membership[edit]

NGC 7057 is a member of a group of galaxies known as the NGC 7060 group. Other members of the group are NGC 7060, NGC 7072 and NGC 7072A.[5]

See also[edit]

References[edit]

  1. ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 7057. Retrieved 2017-07-03.
  2. ^ Rojas, Sebastián García. "Galaxy NGC 7057 - Galaxy in Microscopium Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-07-03.
  3. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-07-03.
  4. ^ "New General Catalog Objects: NGC 7050 - 7099". cseligman.com. Retrieved 2017-07-01.
  5. ^ Fouque, P.; Proust, D.; Quintana, H.; Ramirez, A. (1993-09-01). "Dynamics of the Pavo-Indus and Grus clouds of galaxies". Astronomy and Astrophysics Supplement Series. 100: 493–500. Bibcode:1993A&AS..100..493F. ISSN 0365-0138.

External links[edit]


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