Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Circinus Galaxy
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
{{Short description|Galaxy in the constellation Circinus}} {{Infobox Galaxy | image = File:142_circinus_galaxy.png | image_size = 300px | caption = A [[Hubble Space Telescope]] (HST) image of the core of the Circinus Galaxy. | name = Circinus Galaxy | type = SA(s)b<ref name="ned"/> | constellation name = [[Circinus (constellation)|Circinus]] | epoch = [[J2000]] | z = 426 ± 25 km/s | ra = {{RA|14|13|9.9}}<ref name="ned" /> | dec = {{DEC|-65|20|21}}<ref name="ned" /> | dist_pc = {{convert|3.14|+/-|0.22|Mpc|Mly|sigfig=3|abbr=on|lk=on}}{{hub|0.6774}}<ref name=ned/> | dist_ly = | appmag_v = 12.1<ref name="ned" /> | mass = | size = {{cvt|14.85|x|6.09|kpc|ly|sigfig=4|abbr=on|lk=on|disp=x|<br />(|)}}<br />{{small|(''[[Galaxy#Isophotal diameter|diameter]]; [[2MASS]] K-band total isophote'')}}<ref name=ned>{{cite web |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=ESO+97-G13&extend=no&hconst=67.74&omegam=0.3089&omegav=0.6911&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=Detailed Information for Object ESO 97-G13 |work=[[NASA/IPAC Extragalactic Database]] |access-date=September 13, 2023}}</ref>{{efn|name=Scale|The quoted diameters in this infobox was based on NED's provided scale of 15 pc/arcsec multiplied with the given angular diameters.}}<br />{{cvt|10.38|x|5.19|kpc|ly|sigfig=5|abbr=on|lk=on|disp=x|<br />(|)}}<br />{{small|(''[[Galaxy#Isophotal diameter|diameter]]; [[European Southern Observatory|ESO]] 90% total B-band'')}}<ref name=ned/>{{efn|name=Scale}} | size_v = {{val|6.9|x|3.0|ul=arcminute}}<ref name="ned" /> | notes = | names = ESO 97-G13,<ref name="ned" /> LEDA 50779 }} The '''Circinus Galaxy''' ('''ESO 97-G13''') is a [[Seyfert galaxy]]<ref name="simbad">{{cite simbad | title=NAME Circinus Galaxy | access-date=2007-04-20}}</ref> in the [[constellation]] of [[Circinus (constellation)|Circinus]]. It is located 4 degrees below the [[Galactic plane]], and, at a distance of {{convert|4.0|Mpc|Mly|lk=on|abbr=on}}, is one of the closest major galaxies to the [[Milky Way]].<ref>{{cite journal |author1=Maiolino, R. |author2=Krabbe, A. |author3=Thatte, N. |author4=Genzel, R. |year=1998 |title=Seyfert Activity and Nuclear Star Formation in the Circinus Galaxy |journal=The Astrophysical Journal |volume=493 |issue=2 |pages=650–65 |arxiv = astro-ph/9709091 |bibcode = 1998ApJ...493..650M |doi = 10.1086/305150 |s2cid=16365899 }}</ref> The galaxy is undergoing tumultuous changes, as rings of gas are likely being ejected from the galaxy.<ref>{{Cite journal |last1=Izumi |first1=Takuma |last2=Wada |first2=Keiichi |last3=Imanishi |first3=Masatoshi |last4=Nakanishi |first4=Kouichiro |last5=Kohno |first5=Kotaro |last6=Kudoh |first6=Yuki |last7=Kawamuro |first7=Taiki |last8=Baba |first8=Shunsuke |last9=Matsumoto |first9=Naoki |last10=Fujita |first10=Yutaka |last11=Tristram |first11=Konrad R. W. |date=2023-11-03 |title=Supermassive black hole feeding and feedback observed on subparsec scales |url=https://www.science.org/doi/10.1126/science.adf0569 |journal=Science |language=en |volume=382 |issue=6670 |pages=554–559 |doi=10.1126/science.adf0569 |pmid=37917712 |issn=0036-8075|arxiv=2305.03993 |bibcode=2023Sci...382..554I }}</ref> Its outermost ring is 1400 light-years across while the inner ring is 260 light-years across.{{citation needed|date=March 2018}} Although the Circinus galaxy can be seen using a small telescope, it was not noticed until 1977<ref>{{cite book |last=Inglis |first=Mike |title=Astronomy of the Milky Way: Observer's Guide to the Southern Sky |publisher=Springer |location=New York, New York |year=2004 |page=103 |isbn=978-1-85233-742-1 |url=https://books.google.com/books?id=1r0qvMjSCGAC&pg=SA3-PA103}}</ref> because it lies close to the plane of the Milky Way and is obscured by galactic dust. The Circinus Galaxy is a Type II [[Seyfert galaxy]] and is one of the closest known [[active galaxy|active galaxies]] to the [[Milky Way]], though it is probably slightly farther away than [[Centaurus A]]. Circinus Galaxy produced supernova [[SN 1996cr]], which was identified over a decade after it exploded. This supernova event was first observed during 2001 as a bright, variable object in a [[Chandra X-ray Observatory]] image, but it was not confirmed as a supernova until years later. The Circinus Galaxy is one of twelve large galaxies in the "[[Council of Giants]]" surrounding the [[Local Group]] in the [[Local Sheet]].<ref name="10.1093/mnras/stu199"> {{cite journal |title=A Council of Giants |first=Marshall L. |last=McCall |date=29 April 2013 |journal=Monthly Notices of the Royal Astronomical Society |volume=440 |issue=1 |pages=405–426 |publication-date=10 March 2014 |doi=10.1093/mnras/stu199 |doi-access=free |arxiv=1403.3667 |bibcode=2014MNRAS.440..405M}}</ref> One object is possibly a satellite of the Circinus Galaxy, known as HIZOA J1353-58. HIZOA J1353-58 was discovered in a survey of neutral [[hydrogen]] (H I) and is located within the [[Zone of Avoidance]].<ref>{{cite journal|doi=10.3847/0004-6256/151/3/52|title=The Parkes H I Zone of Avoidance Survey|year=2016|last1=Staveley-Smith|first1=L.|last2=Kraan-Korteweg|first2=R. C.|last3=Schröder|first3=A. C.|last4=Henning|first4=P. A.|last5=Koribalski|first5=B. S.|last6=Stewart|first6=I. M.|last7=Heald|first7=G.|journal=The Astronomical Journal|volume=151|issue=3|page=52|arxiv=1602.02922|bibcode=2016AJ....151...52S|s2cid=54665552 |doi-access=free }}</ref> [[NuSTAR]] detected a [[Ultraluminous X-ray source|ULX]] at the edge of this galaxy, a [[black hole]] about 100 times the mass of the [[Sun]]. <ref>{{cite web | url=https://www.jpl.nasa.gov/images/pia17560-black-holes-of-the-circinus-galaxy | title=Black Holes of the Circinus Galaxy | website=[[Jet Propulsion Laboratory]] }}</ref><ref>{{cite web | url=https://www.nasa.gov/image-article/black-holes-of-circinus-galaxy/ | title=Black Holes of the Circinus Galaxy - NASA }}</ref> ==Notes== {{notelist}} ==References== {{reflist}} ==External links== * {{commonscat-inline}} * [http://chandra.harvard.edu/photo/2001/0167/ Chandra X observatory Examines Black Holes Large and Small in Nearby Galaxy] * [https://web.archive.org/web/20070927184811/http://www.spacetelescope.org/images/html/opo9738c21.html The Hubble European Space Agency picture and information] * {{APOD |date=4 December 2000 |title=The Circinus Galaxy}} {{Sky|14|13|9.9|-|65|20|21|13000000}} {{List of Seyfert galaxies}} {{Circinus}} {{Authority control}} {{DEFAULTSORT:Circinus Galaxy}} [[Category:Local Sheet]] [[Category:Circinus]] [[Category:Seyfert galaxies]] [[Category:LEDA objects|50779]] [[Category:ESO objects|97-G13]]
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)
Pages transcluded onto the current version of this page
(
help
)
:
Template:APOD
(
edit
)
Template:Authority control
(
edit
)
Template:Circinus
(
edit
)
Template:Citation needed
(
edit
)
Template:Cite book
(
edit
)
Template:Cite journal
(
edit
)
Template:Cite simbad
(
edit
)
Template:Cite web
(
edit
)
Template:Commonscat-inline
(
edit
)
Template:Convert
(
edit
)
Template:Infobox Galaxy
(
edit
)
Template:List of Seyfert galaxies
(
edit
)
Template:Notelist
(
edit
)
Template:Reflist
(
edit
)
Template:Short description
(
edit
)
Template:Sky
(
edit
)