View source for NGC 1819

{{Short description|Lenticular galaxy in the Orion constellation}}
{{Infobox galaxy
| name             = NGC 1819
| image            = File:NGC 1819 PanS.jpg
| image_scale      = 1.45
| caption          = [[Pan-STARRS]] image of NGC 1819
| alt              = <!-- alternative description when image is not visible -->
| epoch            = J2000
| pronounce        =
| constellation name = [[Orion (constellation)|Orion]]
| ra               = {{RA|05|11|46.150}}<ref name=Skrutskie_et_al_2006/>
| dec              = {{DEC|+05|12|02.21}}<ref name=Skrutskie_et_al_2006/>
| z                = 0.014880{{±|0.000047}}<ref name=Paturel2002/>
| h_radial_v       = 4,483<ref name=Paturel2002/>&nbsp;km/s
| gal_v            = <!--Galactocentric velocity (in km/s) -->
| dist_pc          = {{cvt|000|±|00|Mpc|Mly|order=flip|lk=on}}{{hub|0.73}} <!-- comoving distance -->
| dist_ly          = {{cvt|60.53|Mpc|Mly|order=flip|lk=on}}<ref name=Tully_et_al_2016/>
| group_cluster    = <!-- Identifier for the host galaxy group or cluster, if any -->
| type             = SB0<ref name=Kang_et_al_2016/>
| mass             = <!-- In solar masses {{Val|0|e=0}} -->
| mass_light_ratio = <!-- In solar units  -->
| size             = <!-- In light years  -->
| stars            = <!-- Estimate of the number of stars, usually in terms of the combined stellar mass: {{Val|#.#|e=#|ul=Solar mass}} -->
| appmag_v         = 13<ref name=SEDS/>
| appmag_b         = <!-- Apparent magnitude in B band -->
| absmag_v         = <!-- Absolute magnitude in V Band -->
| sbrightness      = 23.34 mag/arcsec2{{citation needed|date=April 2023}}
| size_v           = <!-- Angular dimensions in the V band. Give units. -->
| half_light_radius_pc        = <!-- physical dimension, pc preferred -->
| half_light_radius_arcminsec = <!-- apparent dimension -->
| h1_scale_length_pc          = <!-- physical dimension, pc preferred -->
| h1_scale_length_arcminsec   = <!-- apparent dimension -->
| xray_radius_pc              = <!-- physical dimension, pc preferred -->
| xray_radius_arcminsec       = <!-- apparent dimension -->
| notes            = <!-- Unique features -->
| names            = {{odlist | NGC= | PGC=16899 | UGC=3265 | MCG=-1-14-2 | MK=1194 | CCGG=421-4 | IRAS= 05091+0508 }}<ref name=SIMBAD/>
| references       = <!-- Use inline references where available -->
}}
'''NGC 1819''' is a [[lenticular galaxy]] in the [[constellation]] of [[Orion (constellation)|Orion]].<ref name=SEDS/> It was discovered on December 26, 1885, by American astronomer [[Lewis A. Swift]].<ref name=CSeligman/> This galaxy is located at a distance of {{convert|60.53|Mpc|e6ly|order=flip|lk=on}} from the [[Milky Way]],<ref name=Tully_et_al_2016/> and is receding with a heliocentric [[radial velocity]] of {{val|4483|fmt=commas|u=km/s}}.<ref name=Paturel2002/>
The [[Galaxy morphological classification|morphological classification]] of NGC 1819 is SB0 in the De Vaucouleurs system,<ref name=Kang_et_al_2016/> indicating this is a lenticular galaxy with a barred spiral organization. It is a gas-rich galaxy<ref name=Pogge_Eskridge_1993/> with a circumnuclear ring structure that is undergoing intense [[star formation]].<ref name=Contini_et_al_1995/>
[[Type Ia supernova]]<ref name=Kang_et_al_2016/> '''SN 2005el''' was discovered in NGC 1819 on September 19, 2005. It was positioned {{val|39.0|u=arcsecond}} east and {{val|22.6|u=arcsecond}} south of the nucleus.<ref name=Madison_et_al_2005/>
== References ==
{{reflist|refs=
<ref name=SIMBAD>{{cite simbad
| title=NGC 1819 | access-date=2019-05-22}}</ref>
<ref name=SEDS>{{cite web
| title=NGC 1819 | website=SEDS
| first=Hartmut | last=Frommert
| url=https://spider.seds.org/ngc/ngc.cgi?NGC+1819
| access-date=2024-04-05 }}</ref>
<ref name=Madison_et_al_2005>{{cite journal
| title=Supernova 2005el in NGC 1819
| display-authors=1 | last1=Madison | first1=D. R.
| last2=Baek | first2=M. | last3=Li | first3=W.
| journal=Central Bureau Electronic Telegrams
| volume=233 | page=1 | date=September 2005
| editor-last=Green | editor-first=D. W. E.
| bibcode=2005CBET..233....1M }}</ref>
<ref name=Skrutskie_et_al_2006>{{cite journal
| title=The Two Micron All Sky Survey (2MASS)
| last1=Skrutskie | first1=Michael F. | last2=Cutri | first2=Roc M.
| last3=Stiening | first3=Rae | last4=Weinberg | first4=Martin D.
| last5=Schneider | first5=Stephen E. | last6=Carpenter | first6=John M.
| last7=Beichman | first7=Charles A. | last8=Capps | first8=Richard W.
| last9=Chester | first9=Thomas | last10=Elias | first10=Jonathan H.
| last11=Huchra | first11=John P. | last12=Liebert | first12=James W.
| last13=Lonsdale | first13=Carol J. | last14=Monet | first14=David G.
| last15=Price | first15=Stephan | last16=Seitzer | first16=Patrick
| last17=Jarrett | first17=Thomas H. | last18=Kirkpatrick | first18=J. Davy
| last19=Gizis | first19=John E. | last20=Howard | first20=Elizabeth V.
| last21=Evans | first21=Tracey E. | last22=Fowler | first22=John W.
| last23=Fullmer | first23=Linda | last24=Hurt | first24=Robert L.
| last25=Light | first25=Robert M. | last26=Kopan | first26=Eugene L.
| last27=Marsh | first27=Kenneth A.  | last28=McCallon | first28=Howard L.
| last29=Tam | first29=Robert | last30=Van Dyk | first30=Schuyler D.
| last31=Wheelock | first31=Sherry L. | display-authors=1
| journal=The Astronomical Journal
| date=February 1, 2006 | volume=131 | issue=2 | pages=1163–1183
| bibcode=2006AJ....131.1163S | s2cid=18913331
| doi=10.1086/498708 |doi-access=free | issn=0004-6256 }}</ref>
<ref name=Paturel2002>{{cite journal
| title=Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
| last1=Paturel | first1=G. | last2=Dubois | first2=P.
| last3=Petit | first3=C. | last4=Woelfel | first4=F.
| display-authors=1 | journal=LEDA | date=2002
| bibcode=2002LEDA.........0P }}</ref>
<ref name=Tully_et_al_2016>{{cite journal
| last1=Tully | first1=R. Brent | last2=Courtois | first2=Hélène M.
| last3=Sorce | first3=Jenny G. | display-authors=1
| title=Cosmicflows-3 | journal=The Astronomical Journal
| volume=152 | issue=2 | id=50 | pages=21 | date=August 2016
| doi=10.3847/0004-6256/152/2/50  | bibcode=2016AJ....152...50T
| arxiv=1605.01765 | s2cid=250737862 | doi-access=free }}</ref>
<ref name=Kang_et_al_2016>{{cite journal
| title=Early-type Host Galaxies of Type Ia Supernovae. I. Evidence for Downsizing
| display-authors=1 | last1=Kang | first1=Yijung
| last2=Kim | first2=Young-Lo | last3=Lim | first3=Dongwook
| last4=Chung | first4=Chul | last5=Lee | first5=Young-Wook
| journal=The Astrophysical Journal Supplement Series
| volume=223 | issue=1 | at=id. 7 | date=March 2016
| doi=10.3847/0067-0049/223/1/7 | doi-access=free | arxiv=1601.05424
| bibcode=2016ApJS..223....7K }}</ref>
<ref name=CSeligman>{{cite web
| title=NGC Objects: NGC 1800 - 1849
| first=Courtney | last=Seligman
| website=Celestial Atlas
| url=https://cseligman.com/text/atlas/ngc18.htm#1819
| access-date=2024-04-05 }}</ref>
<ref name=Contini_et_al_1995>{{cite journal
| title=Detection of circum-nuclear rings in barred spiral galaxies
| display-authors=1 | last1=Contini | first1=T.
| last2=Davoust | first2=E. | last3=Considère | first3=S.
| journal=Astrophysical Letters and Communications
| volume=31 | page=223 | year=1995
| bibcode=1995ApL&C..31..223C }}</ref>
<ref name=Pogge_Eskridge_1993>{{cite journal
| title=Star Formation in the Disks of H I-Rich SO Galaxies
| last1=Pogge | first1=Richard W. | last2=Eskridge | first2=Paul B.
| journal=Astronomical Journal
| volume=106 | page=1405 | date=October 1993
| doi=10.1086/116735 | bibcode=1993AJ....106.1405P }}</ref>
}}
{{NGC objects:1500-1999}}
{{Orion (constellation)}}
[[Category:Lenticular galaxies]]
[[Category:Orion (constellation)]]
[[Category:NGC objects|1819]]
[[Category:UGC objects|3265]]
[[Category:Principal Galaxies Catalogue objects|16899]]
[[Category:IRAS catalogue objects|05091+0508]]
[[Category:MCG objects|-1-14-2]]
[[Category:Astronomical objects discovered in 1885]]
[[Category:Discoveries by Lewis Swift]]