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NGC 819

{{Short description|Galaxy in the constellation Triangulum}}

{{Infobox Galaxy

| name = NGC 819

| image = NGC819 - SDSS DR14.jpg

| caption = NGC 819 (SDSS)

| epoch = J2000.0

| constellation name = Triangulum

| ra = {{RA|02|08|34.40}}

| dec = {{DEC|+29|14|03.00}}

| z = 0.021935

| h_radial_v = {{nowrap|6576 ± 10 km/s}}

| dist_ly = 302 Mly

| appmag_b = 14.30

| appmag_v = 13.40

| type = S?

| size_v = 0.6 x 0.4

| names = {{ odlist | PGC= 8174 | UGC= 1632 | CGCG= 504-017 | IRAS= 02056+2859}}

}}

NGC 819 is a spiral galaxy approximately 302 million light-years away from Earth in the constellation of Triangulum. It forms a visual pair with the galaxy NGC 816 5.7' WNW.

Discovery

NGC 819 was discovered by German astronomer Heinrich Louis d'Arrest on September 20, 1865 with the 11-inch refractor at Copenhagen.

Édouard Stephan independently found the galaxy again on September 15, 1871 with the 31" reflector at Marseille Observatory.

Supernovae

Supernova SN 2007hb was discovered in NGC 819 on August 24, 2007 by Nearby Supernova Factory. SN 2007hb had a magnitude of about 19.5 and was located at RA 02h08m34.0s, DEC +29d14m14s, J2000.0. It was classified as a type Ib/c supernova.

Supernova SN 2016hkn was discovered in NGC 819 on October 22, 2016 by Fabio Briganti. SN 2014bu had a magnitude of about 17.2 and was located at RA 02h08m34.2s, DEC +29d14m11s, J2000.0. It was classified as a type II supernova.

Supernova SN 2020mbe (type{{nbsp}}Ic, mag. 18.6) was discovered in NGC 819 on 10 January 2020.{{cite web | website=Transient Name Server | title=SN{{nbsp}}2020mbe | url=https://www.wis-tns.org/object/2005cz | publisher = IAU | access-date=5 September 2024}}

Image:NGC 0819 SDSS.jpg)]]

See also

References

{{reflist|refs=

{{cite web|title=NASA/IPAC Extragalactic Database|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+819|website=ned.ipac.caltech.edu|access-date=March 4, 2019}}

{{cite web|title=Revised NGC Data for NGC 819|url=http://spider.seds.org/ngc/revngcic.cgi?NGC819|website=spider.seds.org|access-date=March 4, 2019}}

{{Cite news|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=NGC%20819|title=NGC 819|access-date=March 4, 2019}}

{{cite web|title=Data for NGC 819|url=http://www.astronomy-mall.com/Adventures.In.Deep.Space/NGC%201%20-%20999%20(11-30-17).htm|website=www.astronomy-mall.com|access-date=March 4, 2019}}

{{cite web|title=Transient Name Server (TNS): SN 2007hb|url=https://wis-tns.weizmann.ac.il/object/2007hb|website=wis-tns.weizmann.ac.il|access-date=March 4, 2019}}

{{cite web|title=Transient Name Server (TNS): SN 2016hkn|url=https://wis-tns.weizmann.ac.il/object/2016hkn|website=wis-tns.weizmann.ac.il|access-date=March 4, 2019}}

}}

External links

{{commonscat}}

  • {{WikiSky}}
  • [http://spider.seds.org/ngc/revngcic.cgi?NGC819 SEDS]

{{Stars of Triangulum}}

{{Ngc10}}

{{Catalogs|PGC=8174|UGC=1632|NGC=819}}

{{Sky|02|08|34.40||29|14|03.00|190000000}}

{{DEFAULTSORT:NGC 819}}

Category:Spiral galaxies

Category:Triangulum

0819

008174

Category:Astronomical objects discovered in 1865

NGC 819

02056+2859

01632