Arp 273

{{short description|Pair of interacting galaxies in the constellation Andromeda}}

{{ Infobox Galaxy

| image = UGC 1810 and UGC 1813 in Arp 273 (captured by the Hubble Space Telescope).jpg

| caption=Image taken by the NASA/ESA Hubble Space Telescope shows Arp 273, a pair of interacting galaxies.

| name = Arp 273

| type = SA(s)b pec + SB(s)a pec

| epoch = J2000

| ra = {{RA|02|21|28.703}}

| dec = {{DEC|+39|22|32.65}}

| dist_ly = 300 million ly

| appmag_v = 13.7

| size_v =

| constellation name = Andromeda

| radius_ly =

| absmag_v =

| notes =

| names = {{odlist|UGC=1810|PGC=8961|VV=323|name=Z 523-28, Z 0218.4+3909|name2=CGPG 0218.4+3909, ZW V 223, KPG 64a, UZC J022128.6+392231|Arp=273|2MASX=J02212870+3922326|MCG=+06-06-023}}, VV 323a

}}

File:Arp273Location.png

File:Arp 273 Zoom Sequence.ogv

Arp 273 is a pair of interacting galaxies, 300 million light years away in the constellation Andromeda. It was first described in the Atlas of Peculiar Galaxies, compiled by Halton Arp in 1966. The larger of the spiral galaxies, known as UGC 1810, is about five times more massive than the smaller galaxy. It has a disc that is tidally distorted into a rose-like shape by the gravitational pull of the companion galaxy below it, known as UGC 1813. The smaller galaxy shows distinct signs of active star formation at its nucleus, and "it is thought that the smaller galaxy has actually passed through the larger one."

One supernova has been observed in UGC 1810: SN 1962R (type unknown, mag. 15.9) was discovered on plates taken at the Lick Observatory in December 1962, and presumed to be of type{{nbsp}}II.{{cite journal|bibcode=1994IAUC.5926....1G |title=Supernova 1962R in UGC 1810 |last1=Green |first1=D. W. E. |journal=International Astronomical Union Circular |date=1994 |issue=5926 |page=1 | url=http://www.cbat.eps.harvard.edu/iauc/05900/05926.html#Item1}}{{cite journal|bibcode=1982AJ.....87..314K |title=An RR Lyrae survey with the lick astrograph. V. A survey of three fields at intermediate latitudes towards the galactic anticenter |last1=Kinman |first1=T. D. |last2=Mahaffey |first2=C. T. |last3=Wirtanen |first3=C. A. |journal=The Astronomical Journal |date=1982 |volume=87 |page=314 |doi=10.1086/113105 }}{{cite web | website=Transient Name Server | title=SN{{nbsp}}1962R | url=https://www.wis-tns.org/object/1962R | publisher = IAU | access-date=1 June 2025}}

References

{{Reflist|refs=

{{cite web| work=SIMBAD Astronomical Database| title=Arp 273

| url=http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Arp+273| accessdate=2011-04-20}}

{{cite web|title=Interacting galaxies Arp 273|url=http://www.noao.edu/image_gallery/html/im0011.html|publisher=National Optical Astronomy Observatory|accessdate=2011-04-21}}

{{cite web|title=A galactic rose highlights Hubble's 21st anniversary|url=http://www.spacetelescope.org/news/heic1107/|accessdate=2011-04-21|first1=Oli|last1=Usher|first2=Ray|last2=Villard|date=2011-04-20| archiveurl= https://web.archive.org/web/20110516024825/http://spacetelescope.org/news/heic1107/| archivedate= 16 May 2011| url-status= live}}

{{cite web|title=NASA's Hubble Celebrates 21st Anniversary with "Rose" of Galaxies|url=http://hubblesite.org/newscenter/archive/releases/2011/11/video/b/|publisher=HubbleSite|accessdate=2011-04-21|date=2011-04-20}}

{{cite web|title=A galactic rose highlights Hubble's 21st anniversary|url=http://www.physorg.com/news/2011-04-galactic-rose-highlights-hubble-21st.html|publisher=physorg.com|accessdate=2011-04-21|date=2011-04-21}}

{{cite web|url=https://ned.ipac.caltech.edu/byname?objname=UGC%201810&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1|title=Results for object NGC UGC 1810 (UGC 1810)|work=NASA/IPAC Extragalactic Database|publisher=California Institute of Technology|accessdate=2021-02-28}}

{{cite web|url=https://ned.ipac.caltech.edu/byname?objname=UGC%201813&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1|title=Results for object NGC UGC 1813 (UGC 1813)|work=NASA/IPAC Extragalactic Database|publisher=California Institute of Technology|accessdate=2021-02-28}}

{{cite web|title=NASA/IPAC Extragalactic Database|url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=Arp+273&extend=no&list_limit=5#BasicData_0|accessdate=2018-06-27}}

}}

External links

[https://apod.nasa.gov/apod/image/2506/Arp273Main_HubblePestana_3079.jpg Edit of Hubble photo of UGC 1810]. APOD June 1, 2025
{{youtube|id=l-y1euiI8gg|title=Space Fan News #19: Hubble Turns 21}}
[http://hubblesite.org/newscenter/archive/releases/2011/11/image/b/format/web_print/ Image with information of scale & compass location] retrieved 20/09/2011

Category:Interacting galaxies

Category:Unbarred spiral galaxies

Category:Barred spiral galaxies

01810

Category:Articles containing video clips

0273

+06-06-023

08961

Category:Andromeda (constellation)

Category:Galaxy mergers