{{Short description|Spiral galaxy in the constellation Boötes}} {{Infobox galaxy|name=NGC 5504|caption=As seen during the [[Sloan Digital Sky Survey]]|image=NGC5504 - SDSS DR14.jpg|epoch=[[J2000]]|constellation name=[[Boötes constellation|Bootes]]|appmag_b=13.9|sbrightness=23.03 mag/arcsec2|type=SAbc|ra=14h 12m 15s|dec=+15° 50’ 30”|z=0.017492|dist_ly=264 [[light years|Mly]] (80.85 [[Megaparsec|Mpc]])|names=[[Principal Galaxies Catalogue|PGC]] 50718, [[Uppsala General Catalogue|UGC]] 9085, [[Catalogue of Galaxies and of Clusters of Galaxies|CGCG]] 103-114, [[Morphological Catalogue of Galaxies|MCG]] +03-36-081, KUG 1409+160}} '''NGC 5504''' is an intermediate [[barred spiral galaxy]] located in the [[Boötes|constellation Boötes]]. Its speed relative to the [[cosmic microwave background]] is 5,482 ± 17 km/s, which corresponds to a [[Hubble's law|Hubble distance]] of 80.9 ± 5.7 Mpc (∼264 million ly).<ref name=":0">{{Cite web |title=By Name {{!}} NASA/IPAC Extragalactic Database |url=http://ned.ipac.caltech.edu/byname?objname=NGC+5504&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1 |access-date=2024-07-10 |website=ned.ipac.caltech.edu}}</ref> NGC 5504 was discovered by French astronomer [[Édouard Stephan]] in 1880.
The luminosity class of NGC 5504 is II-III and it has a broad HI line.<ref name=":0" />
== Supernova == [[Supernova]] '''SN 2013bb''' ([[Type II supernova#Type IIb supernovae|Type IIb]], mag. 18.4) was discovered in NGC 5504 on April 3, 2013, as part of [[California Institute of Technology|Caltech's]]<ref>{{Cite web |title=The CRTS Survey |url=http://crts.caltech.edu/ |access-date=2024-07-10 |website=crts.caltech.edu}}</ref> [[Catalina Real-time Transient Survey|Catalina Real-Time Transient Survey]] (CRTS) and by Stan Howerton.<ref>{{Cite web |title=Bright Supernovae - 2013. |url=https://rochesterastronomy.org/sn2013/index.html |access-date=2024-07-10 |website=rochesterastronomy.org}}</ref>{{r|CBET3466|TNS-2013bb}}
== NGC 5504 group == [[File:NGC 5504 Env SDSS2.jpg|thumb|NGC 5504 Group. Two of the galaxies can be seen above NGC 5504.]] The galaxies IC 4383 and PGC 50713 are located in the same region of the sky as NGC 5504 and their radial speed respectively equal to (5,230 ± 4) km/s<ref name="Your NED Search Results">{{Cite web |title=Your NED Search Results |url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=IC+4383&extend=no&hconst=73&omegam=0.27&omegav=0.73&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 |access-date=2024-07-10 |website=ned.ipac.caltech.edu}}</ref> and (5,249 ± 6) km/s<ref name=":1"/> places them approximately at the same distance as NGC 5504. These three galaxies therefore form a triplet of galaxies, the group of NGC 5504, the brightest of the three galaxies.
This group of galaxies is designated as WBL 494 in the article by White published in 1999.<ref>{{Cite web |title=Table 2. Poor Cluster Catalog |url=https://arxiv.org/pdf/astro-ph/9907283.pdf}}</ref> IC 4383 is also designated as NGC 5504B and as WBL 494–001 by the NASA/IPAC database<ref name="Your NED Search Results"/> while PGC 50713 is designated as NGC 5504C<ref>{{Cite web |title=Astrovalley |url=http://astrovalleyfield.ca/AstronomieCompl/NGC%20et%20autres/WolfgangS/N5500_exc_web.htm |access-date=2024-07-10 |website=astrovalleyfield.ca}}</ref><ref name=":1">{{Cite web |title=Your NED Search Results |url=http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+5504C&extend=no&hconst=73&omegam=0.27&omegav=0.73&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 |access-date=2024-07-10 |website=ned.ipac.caltech.edu}}</ref> and as WBL 494–003.<ref name=":1" />
== See also ==
* [[List of NGC objects (5001–6000)]]
== External links ==
* [http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+5504 NGC 5504] at [[NASA/IPAC Extragalactic Database|NASA/IPAC]] * [https://vizier.cds.unistra.fr/viz-bin/VizieR-S?NGC+5504 NGC 5504] at [[VizieR]] * [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=NGC_5504&bibdisplay=none NGC 5504] at [[SIMBAD]] * [http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC_5504 NGC 5504] at [[Lyon-Meudon Extragalactic Database|LEDA]]
== References == <references>
<ref name=CBET3466>{{cite journal|last1=Howerton |first1=S. |last2=Drake |first2=A. J. |last3=Djorgovski |first3=S. G. |last4=Mahabal |first4=A. |last5=Graham |first5=M. J. |last6=Williams |first6=R. |last7=Prieto |first7=J. L. |last8=Catelan |first8=M. |last9=McNaught |first9=R. H. |last10=Christensen |first10=E. |last11=Larson |first11=S. M. |last12=Elenin |first12=L. |last13=Molotov |first13=I. |last14=Elias-Rosa |first14=N. |last15=Morales-Garoffolo |first15=A. |last16=Taubenberger |first16=S. |last17=Hachinger |first17=S. |last18=Walker |first18=E. S. |last19=Fraser |first19=M. |last20=Benetti |first20=S. |last21=Pastorello |first21=A. |last22=Valenti |first22=S. |last23=Smartt |first23=S. J. |last24=Smith |first24=K. |last25=Young |first25=D. |last26=Sullivan |first26=M. |last27=Gal-Yam |first27=A. |last28=Yaron |first28=O. |title=Supernova 2013bb in NGC 5504 = PSN J14121396+1550315 |journal=Central Bureau Electronic Telegrams |date=2013 |issue=3466 |page=1 |bibcode=2013CBET.3466....1H}}</ref>
<ref name=TNS-2013bb>{{cite web |website=Transient Name Server |title=SN 2013bb |url=https://www.wis-tns.org/object/2013bb |publisher = [[International Astronomical Union|IAU]] |access-date=11 May 2026}}</ref>
</references>
[[Category:Barred spiral galaxies]] [[Category:Boötes]] [[Category:Discoveries by Édouard Stephan]] [[Category:NGC objects|5504]] [[Category:UGC objects|09085]] [[Category:MCG objects|+03-36-081]] [[Category:Principal Galaxies Catalogue objects|050718]]