3C 305

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

{{Infobox galaxy

| name = 3C 305

| image = File:IC1065 - SDSS DR14.jpg

| epoch = J2000

| ra = {{RA|14|49|21.610}}

| dec = {{DEC|+63|16|14.24}}

| constellation name = Draco

| z = 0.041 639

| type = Sy2, Rad, G, QSO, AGN, X, IR
G, SB0, FR I, Sy 2

| appmag_v = 16.39

| size_v = 0.8753' x 0.497'

| names = IC 1065, LEDA 52924, UGC 9553, 4C 63.21, MCG+11-18-008

|dist_ly=577 Mly (176.9 Mpc)|h_radial_v=12,503 km/s}}

3C 305, also known as IC 1065, is a lenticular galaxy located in the constellation Draco.{{Cite web |title=IC 1065 - Lenticular Galaxy in Draco {{!}} TheSkyLive.com |url=https://theskylive.com/sky/deepsky/ic1065-object |access-date=2024-04-18 |website=theskylive.com}} The galaxy is located 577 million light-years away from Earth. It has an active galactic nucleus and is classified as a Seyfert 2 galaxy.

{{cite web

|url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=3C+305

|title=Query : 3C 305

|website=Simbad

|publisher=Centre de Données astronomiques de Strasbourg

|access-date=2 June 2015}}

{{cite web

|website=NASA/IPAC Extragalactic Database

|title=NED results for object 3C 305

|url=http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=3C+305&extend=no

|access-date=2 June 2015 }} This galaxy was discovered by American astronomer Lewis Swift on April 7, 1888.{{Cite web |title=Index Catalog Objects: IC 1050 - 1099 |url=https://cseligman.com/text/atlas/ic10a.htm#ic1065 |access-date=2024-04-18 |website=cseligman.com}}

3C 305 is also a radio galaxy.{{Cite journal |last1=Heckman |first1=T. M. |last2=Miley |first2=G. K. |last3=Balick |first3=B. |last4=van Breugel |first4=W. J. M. |last5=Butcher |first5=H. R. |date=1982-11-01 |title=An optical and radio investigation of the radio galaxy 3C 305. |url=https://ui.adsabs.harvard.edu/abs/1982ApJ...262..529H |journal=The Astrophysical Journal |volume=262 |pages=529–553 |doi=10.1086/160445 |bibcode=1982ApJ...262..529H |issn=0004-637X}}{{Cite journal |last1=Reynaldi |first1=V. |last2=Feinstein |first2=C. |date=2013-08-28 |title=Shock ionization in the extended emission-line region of 3C 305: the last piece of the (optical) puzzle |journal=Monthly Notices of the Royal Astronomical Society |volume=435 |issue=2 |pages=1350–1357 |doi=10.1093/mnras/stt1377 |doi-access=free |issn=1365-2966|arxiv=1307.7489 }} It shows an extended X-ray halo previously detected by Chandra X-ray and Very Large Array observations and hydrogen outflow with a jet power of ~10⁴³ erg s⁻¹.{{Cite journal |last1=Hardcastle |first1=M. J. |last2=Massaro |first2=F. |last3=Harris |first3=D. E. |last4=Baum |first4=S. A. |last5=Bianchi |first5=S. |last6=Chiaberge |first6=M. |last7=Morganti |first7=R. |last8=O'Dea |first8=C. P. |last9=Siemiginowska |first9=A. |date=2012-08-01 |title=The nature of the jet-driven outflow in the radio galaxy 3C 305 |journal=Monthly Notices of the Royal Astronomical Society |volume=424 |issue=3 |pages=1774–1789 |doi=10.1111/j.1365-2966.2012.21247.x |doi-access=free |issn=0035-8711|arxiv=1205.0962 |bibcode=2012MNRAS.424.1774H }}

In additional, 3C 305 shows broad HI absorption levels, which researchers interpreted it as jet-cloud interaction.{{Cite journal |last1=Morganti |first1=R. |last2=Oosterloo |first2=T. A. |last3=Tadhunter |first3=C. N. |last4=Moorsel |first4=G. van |last5=Emonts |first5=B. |date=2005-08-01 |title=The location of the broad H i absorption in 3C 305: clear evidence for a jet-accelerated neutral outflow |url=https://www.aanda.org/articles/aa/abs/2005/32/aa3175-05/aa3175-05.html |journal=Astronomy & Astrophysics |language=en |volume=439 |issue=2 |pages=521–526 |doi=10.1051/0004-6361:20053175 |arxiv=astro-ph/0505365 |bibcode=2005A&A...439..521M |issn=0004-6361}} There are also signs that 3C 305 might be involved in a recent merger process with another gas-rich galaxy.{{Cite journal |last1=Emonts |first1=B. H. C. |last2=Morganti |first2=R. |last3=Villar-Martín |first3=M. |last4=Hodgson |first4=J. |last5=Brogt |first5=E. |last6=Tadhunter |first6=C. N. |last7=Mahony |first7=E. |last8=Oosterloo |first8=T. A. |date=2016-12-01 |title=From galaxy-scale fueling to nuclear-scale feedback - The merger-state of radio galaxies 3C 293, 3C 305, and 4C 12.50 |url=https://www.aanda.org/articles/aa/abs/2016/12/aa28592-16/aa28592-16.html |journal=Astronomy & Astrophysics |language=en |volume=596 |pages=A19 |doi=10.1051/0004-6361/201628592 |issn=0004-6361|arxiv=1609.06539 |bibcode=2016A&A...596A..19E }}File:IC 1065 (3C 305) Chandra.jpg