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}}{{cite web |url=http://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}}

| dec = {{DEC|+76|58|58.170}}

| constellation name = Draco

| z = 0.311500{{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 }}

| type = Sy1, Rad, QSO, X, IR, G, BH?, AG?, UV, gam
QSO

| dist_ly = {{convert|1194|Mpc|ly|lk=on}} {{hub|0.73|link=yes}}

| appmag_v = 15.72

| size_v =

| notes =

| names = LEDA 2821945, 4C 77.09, QSO B1100+773, PG 1100+772

|caption=SDSS image of 3C 249.1}}

3C 249.1 is a Seyfert galaxy located in the constellation Draco. It hosts a powerful radio source{{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}} and is located at redshift 0.3115, with a peculiar radio structure. One of its radio lobes is classified as having a Fanaroff-Riley classification Type II, while the other lobe has no features nor containing hotspots.{{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}}

3C 249.1 contains emission lines{{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}} with an extended emission-line region.{{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}} Its black hole is known to have a high accretion rate.{{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}}

The star formation rate in 3C 249.1 is estimated to be between ranges of ~1–250 M⊙ yr⁻¹, according to researchers using spectral energy distributions, as well as high resolution mid-infrared spectra of quasars from the Palomar–Green sample.{{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}}