3C 249.1

{{Short description|Galaxy in the constellation Draco}} {{Quasar | name = 3C 249.1 | image = File:SDSS image of 3C 249.1.jpg | epoch = [[J2000]] | ra = {{RA|11|04|13.8777}}<ref name=SIMBAD>{{cite web |url=https://simbad.u-strasbg.fr/simbad/sim-id?Ident=3C+249.1 |title=Query : 3C 249.1 |website=Simbad |publisher=[[Centre de Données astronomiques de Strasbourg]] |access-date=2 June 2015}}</ref> | dec = {{DEC|+76|58|58.170}}<ref name=SIMBAD/> | constellation name = [[Draco (constellation)|Draco]] | z = 0.311500<ref name=ned>{{cite web |website=NASA/IPAC Extragalactic Database |title=NED results for object 3C 249.1 |url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=3C+249.1&extend=no |access-date=2 June 2015 }}</ref> | type = Sy1, Rad, QSO, X, IR, G, BH?, AG?, UV, gam<ref name=SIMBAD/><br>QSO<ref name=ned/> | dist_ly = {{convert|1194|Mpc|ly|lk=on}} {{hub|0.73|link=yes}}<ref name=ned/> | appmag_v = 15.72<ref name=SIMBAD/> | size_v = | notes = | names = [[Lyon-Meudon Extragalactic Database|LEDA]] 2821945, [[Fourth Cambridge Survey|4C]] 77.09, [[Quasar|QSO]] B1100+773, PG 1100+772 | caption = [[Sloan Digital Sky Survey|SDSS]] image of 3C 249.1}}

'''3C 249.1''' is a [[Seyfert galaxy]] located in the [[constellation]] [[Draco (constellation)|Draco]]. It hosts a powerful [[Astronomical radio source|radio source]]<ref>{{Cite journal |last1=Lonsdale |first1=C. J. |last2=Morison |first2=I. |date=1983-05-01 |title=Asymmetries in four powerful radio sources. |journal=Monthly Notices of the Royal Astronomical Society |volume=203 |issue=3 |pages=833–851 |doi=10.1093/mnras/203.3.833 |doi-access=free |bibcode=1983MNRAS.203..833L |issn=0035-8711}}</ref> and is located at [[redshift]] 0.3115, with a peculiar radio structure. One of its [[Radio galaxy|radio lobes]] is classified as having a [[Fanaroff–Riley classification|Fanaroff-Riley classification]] Type II, while the other lobe has no features nor containing hotspots.<ref>{{Cite journal |last=Marecki |first=A. |date=2012-09-01 |title=Are 3C 249.1 and 3C 334 restarted quasars? |url=https://www.aanda.org/articles/aa/abs/2012/09/aa20010-12/aa20010-12.html |journal=Astronomy & Astrophysics |language=en |volume=545 |pages=A132 |doi=10.1051/0004-6361/201220010 |arxiv=1209.1284 |bibcode=2012A&A...545A.132M |issn=0004-6361}}</ref>

3C 249.1 contains [[Spectral line|emission lines]]<ref>{{Cite journal |last1=Richstone |first1=D. O. |last2=Oke |first2=J. B. |date=1977-04-01 |title=The nebulosity near the quasar 3C 249.1. |url=https://ui.adsabs.harvard.edu/abs/1977ApJ...213....8R |journal=The Astrophysical Journal |volume=213 |pages=8–14 |doi=10.1086/155121 |bibcode=1977ApJ...213....8R |issn=0004-637X}}</ref> with an extended emission-line region.<ref>{{Cite journal |last1=Fu |first1=Hai |last2=Stockton |first2=Alan |date=2006-10-10 |title=Integral Field Spectroscopy of the Extended Emission-Line Region of 3C 249.1* |url=https://iopscience.iop.org/article/10.1086/507418/meta |journal=The Astrophysical Journal |language=en |volume=650 |issue=1 |pages=80 |doi=10.1086/507418 |arxiv=astro-ph/0606502 |bibcode=2006ApJ...650...80F |issn=0004-637X}}</ref> Its [[black hole]] is known to have a high [[Accretion (astrophysics)|accretion]] rate.<ref>{{Cite journal |last1=Yang |first1=Xiaolong |last2=Yao |first2=Su |last3=Yang |first3=Jun |last4=Ho |first4=Luis C. |last5=An |first5=Tao |last6=Wang |first6=Ran |last7=Baan |first7=Willem A. |last8=Gu |first8=Minfeng |last9=Liu |first9=Xiang |last10=Yang |first10=Xiaofeng |last11=Joshi |first11=Ravi |date=2020-12-01 |title=Radio Activity of Supermassive Black Holes with Extremely High Accretion Rates |journal=The Astrophysical Journal |volume=904 |issue=2 |pages=200 |doi=10.3847/1538-4357/abb775 |doi-access=free |arxiv=2007.11327 |bibcode=2020ApJ...904..200Y |issn=0004-637X}}</ref>

The [[star formation]] rate in 3C 249.1 is estimated to be between ranges of ~1–250 M⊙ yr<sup>−1</sup>, according to researchers using [[spectral energy distribution]]s, as well as high resolution mid-infrared spectra of quasars from the Palomar–Green sample.<ref>{{Cite journal |last1=Xie |first1=Yanxia |last2=Ho |first2=Luis C. |last3=Zhuang |first3=Ming-Yang |last4=Shangguan |first4=Jinyi |date=2021-04-01 |title=The Infrared Emission and Vigorous Star Formation of Low-redshift Quasars |journal=The Astrophysical Journal |volume=910 |issue=2 |pages=124 |doi=10.3847/1538-4357/abe404 |doi-access=free |arxiv=2102.02695 |bibcode=2021ApJ...910..124X |issn=0004-637X}}</ref>

== Gallery == <gallery> File:3C 249.1 NVAS 8.29I0.73 AW0249 1991NOV13 1 65.4U1.23M.jpg|3C 249.1 observed in radiowaves </gallery>

==References== {{Reflist}}

==External links== * [https://www.jb.man.ac.uk/atlas/object/3C249P1.html www.jb.man.ac.uk/atlas/] * [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=QSO+B1100%2B773&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad]

{{DEFAULTSORT:3C 249.1}} [[Category:Seyfert galaxies]] [[Category:Draco (constellation)]] [[Category:3C objects|249.1]] [[Category:4C objects|+77.09]] [[Category:LEDA objects|2821945]]