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<!-- End of AfD message, feel free to edit beyond this point -->{{Short description|Barred spiral galaxy in the constellation Fornax}} |
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{{Infobox Galaxy |
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{{Infobox Galaxy |
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| name = ] 1165 |
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| name = ] 1165 |
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| image = NGC_1165_DSS.jpg |
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| image = NGC_1165_DSS.jpg |
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| caption = NGC 1165 (Hubble Space Telescope) |
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| caption = NGC 1165 (Digitalized Sky Survey) |
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| epoch = ] |
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| epoch = ] |
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| constellation name = ] |
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| constellation name = ] |
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| ra = {{RA|03|01|42.2}} <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| ra = {{RA|02|58|47.7}} <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| dec = {{DEC|-11|15|51}} <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| dec = {{DEC|-32|05|57}} <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| z = 0.013209 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| z = 0.016415 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| h_radial_v = {{nowrap|3954 ± 30 ]}} <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| h_radial_v = {{nowrap|4921 ± 7 ]}} <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| dist_ly = 61 M] <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| dist_ly = 230 M] <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| appmag_b = 13.20 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| appmag_b = 13.20 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| appmag_v = 12.70 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| appmag_v = 12.70 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| type = SB(rs)b <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| type = SB(rs)b <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| size_v = 1.8 x 1.4 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| size_v = 1.8 x 1.4 <ref name="NASA/IPAC">NASA/IPAC Extragalactic Database</ref> |
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| names = PGC 11302, MCG -02-08-031, UGC 2435 |
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| names = ] 11270, ] -05-08-009, ] 417-G008 |
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}} |
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'''NGC 1165''' is a barred spiral galaxy located in the constellation ]. It lies approximately 61 million light-years away from ] and was discovered by astronomer ] in 1834. |
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'''NGC 1165''' is a ] located in the constellation ]. It lies approximately 230 million light-years away from ] and was discovered by astronomer ] in 1835.<ref>{{Cite web |title=New General Catalog Objects: NGC 1150 - 1199 |url=https://cseligman.com/text/atlas/ngc11a.htm#1165 |access-date=2024-12-23 |website=cseligman.com}}</ref><ref>{{Cite web |title=NGC 1165 - Deep Sky Object Information |url=https://theskylive.com/sky/deepsky/ngc1165-object |publisher=The Sky Live |accessdate=2024-12-25}}</ref><ref>{{cite web |title=NGC 1165 Details |url=https://www.srku.edu.in/read?s=NGC+1165 |website=srku.edu.in |access-date=28 December 2024}}</ref> |
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== Structure and Characteristics == |
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== Structure and characteristics == |
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NGC 1165 is classified as an SB(rs)b type galaxy, indicating that it is a barred spiral galaxy with a prominent central bar and slightly loose spiral arms. The galaxy spans approximately 1.8 × 1.4 arcminutes in the sky and features active star-forming regions within its spiral arms. |
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NGC 1165 is classified as an SB(rs)b type galaxy, indicating that it is a barred spiral galaxy with a prominent central bar and slightly loose spiral arms. The galaxy spans approximately 1.8 × 1.4 arcminutes in the sky and features active star-forming regions within its spiral arms.<ref>{{Cite web |title=NGC 1165 |url=https://spider.seds.org/ngc/ngc.cgi?1165= |publisher=SEDS - Students for the Exploration and Development of Space |accessdate=2024-12-25}}</ref> |
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Observations using infrared and optical telescopes suggest the presence of a central supermassive black hole, a common feature in many barred spiral galaxies. The galaxy also exhibits regions of intense star formation, indicated by high concentrations of ionized hydrogen gas. |
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Observations using infrared and optical telescopes suggest the presence of a central ], a common feature in many barred spiral galaxies. The galaxy also exhibits regions of intense star formation, indicated by high concentrations of ionized hydrogen gas. |
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== Discovery == |
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== Discovery == |
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NGC 1165 was discovered by the British astronomer ] during his observations of the southern skies in 1834. Since its discovery, it has been a subject of interest for astronomers studying barred spiral galaxies and galactic evolution. |
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NGC 1165 was discovered by the British astronomer ] during his observations of the southern skies in 1835. Since its discovery, it has been a subject of interest for astronomers studying barred spiral galaxies and galactic evolution.<ref>{{Cite web |title=NGC 1165 |url=https://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC+1165 |website=SIMBAD Astronomical Database |access-date=2024-06-27}}</ref> |
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== Location and Distance == |
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== Location and distance == |
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NGC 1165 is situated in the constellation ] and is approximately 61 million light-years away from the ]. Its radial velocity has been measured at around 3954 km/s, indicating its movement relative to our galaxy. |
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NGC 1165 is situated in the constellation ] and is approximately 230 million light-years away from the ]. Its radial velocity has been measured at around 4921 km/s, indicating its movement relative to our galaxy. |
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== Significance == |
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== Significance == |
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== External Links == |
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== External links == |
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{{fornax}} |
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{{NGC15}} |
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NGC 1165 is classified as an SB(rs)b type galaxy, indicating that it is a barred spiral galaxy with a prominent central bar and slightly loose spiral arms. The galaxy spans approximately 1.8 × 1.4 arcminutes in the sky and features active star-forming regions within its spiral arms.
Observations using infrared and optical telescopes suggest the presence of a central supermassive black hole, a common feature in many barred spiral galaxies. The galaxy also exhibits regions of intense star formation, indicated by high concentrations of ionized hydrogen gas.
Barred spiral galaxies like NGC 1165 provide valuable insight into galactic dynamics and evolution. The study of such galaxies helps astronomers understand the role of bars in driving star formation and the distribution of interstellar matter.