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{{Short description|Galaxy in the constellation Pegasus}}
{{Short description|Galaxy in the constellation Pegasus}}
{{Infobox galaxy|name=IC 5145|image=File:IC5145 - SDSS DR14.jpg|caption=[[Sloan Digital Sky Survey|SDSS]] image of IC 5145|constellation name=[[Pegasus (constellation)|Pegasus]]|ra=21h 54m 23.06s|dec=+15d 09m24.6s|z=0.024594|h_radial_v=7,373 [[kilometer per second|km/s]]|dist_ly=356 [[Mly]] (109.2 [[Megaparsec|Mpc]])|appmag_v=14.30|type=Sab|names=[[Uppsala General Catalogue|UGC]] 11844, [[Catalogue of Galaxies and of Clusters of Galaxies|CGCG]] 427-041, [[Principal Galaxies Catalogue|PGC]] 67619, NSA 149423, WBL 674-003, [[Morphological Catalogue of Galaxies|MCG]] +02-55-028, [[2MASX]] J21542304+1509244, [[2MASS]] J21542306+1509249, [[Sloan Digital Sky Survey|SDSS]] J215423.07+150924.9, [[Lyon-Meudon Extragalactic Database|LEDA]] 67619|size=1.6 x 0.9 arcmin|sbrightness=13.8 arcmin|epoch=[[J2000]]}}
{{Infobox galaxy|name=IC 5145|image=File:IC5145 - SDSS DR14.jpg|caption=[[Sloan Digital Sky Survey|SDSS]] image of IC 5145|constellation name=[[Pegasus (constellation)|Pegasus]]|ra={{RA|21|54|23.06}}|dec={{DEC|+15|09|24.6}}|z=0.024594|h_radial_v=7,373 [[kilometer per second|km/s]]|dist_ly=356 [[Mly]] (109.2 [[Megaparsec|Mpc]])|appmag_v=14.30|type=Sab|names=[[Uppsala General Catalogue|UGC]] 11844, [[Catalogue of Galaxies and of Clusters of Galaxies|CGCG]] 427-041, [[Principal Galaxies Catalogue|PGC]] 67619, NSA 149423, WBL 674-003, [[Morphological Catalogue of Galaxies|MCG]] +02-55-028, [[2MASX]] J21542304+1509244, [[2MASS]] J21542306+1509249, [[Sloan Digital Sky Survey|SDSS]] J215423.07+150924.9, [[Lyon-Meudon Extragalactic Database|LEDA]] 67619|size=1.6 x 0.9 arcmin|sbrightness=13.8 arcmin|epoch=[[J2000]]}}


'''IC 5145''' is a type Sab [[spiral galaxy]]<ref>{{Cite web |title=HyperLeda -object description |url=http://atlas.obs-hp.fr/hyperleda/ledacat.cgi?o=IC%205145 |access-date=2024-05-06 |website=atlas.obs-hp.fr}}</ref> located in the constellation [[Pegasus (constellation)|Pegasus]].<ref>{{Cite web |last=Ford |first=Dominic |title=IC5145 (Galaxy) |url=https://in-the-sky.org//data/object.php?id=IC5145 |access-date=2024-05-06 |website=In-The-Sky.org |language=en}}</ref><ref>{{Cite web |last=Astronomy |first=Go |title=IC 5145 {{!}} galaxy in Pegasus {{!}} IC List {{!}} GO ASTRONOMY |url=https://www.go-astronomy.com/ic.php?ID=5340 |access-date=2024-05-06 |website=Go-Astronomy.com |language=en-US}}</ref> It is located 356 million [[light-year]]s from the [[Solar System]]<ref name=":0">{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=50766&objname=1&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1 |access-date=2024-05-06 |website=ned.ipac.caltech.edu}}</ref> and was discovered by [[Edward Emerson Barnard]], although the year he discovered it is unknown.<ref>{{Cite web |title=Index Catalog Objects: IC 5100 - 5149 |url=https://cseligman.com/text/atlas/ic51.htm#ic5145 |access-date=2024-05-06 |website=cseligman.com}}</ref>
'''IC 5145''' is a type Sab [[spiral galaxy]]<ref>{{Cite web |title=HyperLeda -object description |url=http://atlas.obs-hp.fr/hyperleda/ledacat.cgi?o=IC%205145 |access-date=2024-05-06 |website=atlas.obs-hp.fr}}</ref> located in the constellation [[Pegasus (constellation)|Pegasus]].<ref>{{Cite web |last=Ford |first=Dominic |title=IC5145 (Galaxy) |url=https://in-the-sky.org//data/object.php?id=IC5145 |access-date=2024-05-06 |website=In-The-Sky.org |language=en}}</ref><ref>{{Cite web |last=Astronomy |first=Go |title=IC 5145 {{!}} galaxy in Pegasus {{!}} IC List {{!}} GO ASTRONOMY |url=https://www.go-astronomy.com/ic.php?ID=5340 |access-date=2024-05-06 |website=Go-Astronomy.com |language=en-US}}</ref> It is located 356 million [[light-year]]s from the [[Solar System]]<ref name=":0">{{Cite web |title=Your NED Search Results |url=https://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=50766&objname=1&img_stamp=YES&hconst=73.0&omegam=0.27&omegav=0.73&corr_z=1 |access-date=2024-05-06 |website=ned.ipac.caltech.edu}}</ref> and was discovered by [[Edward Emerson Barnard]], although the year he discovered it is unknown.<ref>{{Cite web |title=Index Catalog Objects: IC 5100 - 5149 |url=https://cseligman.com/text/atlas/ic51.htm#ic5145 |access-date=2024-05-06 |website=cseligman.com}}</ref>

Revision as of 04:20, 5 August 2024

IC 5145
SDSS image of IC 5145
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension21h 54m 23.06s
Declination+15° 09′ 24.6″
Redshift0.024594
Heliocentric radial velocity7,373 km/s
Distance356 Mly (109.2 Mpc)
Apparent magnitude (V)14.30
Surface brightness13.8 arcmin
Characteristics
TypeSab
Size1.6 x 0.9 arcmin
Other designations
UGC 11844, CGCG 427-041, PGC 67619, NSA 149423, WBL 674-003, MCG +02-55-028, 2MASX J21542304+1509244, 2MASS J21542306+1509249, SDSS J215423.07+150924.9, LEDA 67619

IC 5145 is a type Sab spiral galaxy[1] located in the constellation Pegasus.[2][3] It is located 356 million light-years from the Solar System[4] and was discovered by Edward Emerson Barnard, although the year he discovered it is unknown.[5]

The luminosity class of IC 5145 is I-II and it has a broad H II region.[4] Its dimensions measure 1.60 x 0.9 arcmin.[6]

Supernovae

Five supernovae have been discovered in IC 5145 so far: SN 2002dn, SN 2003hy, SN 2010iq, PSN J21542359+1509224 and SN 2022lfa.

SN 2002dn

SN 2002dn[7] was discovered in IC 5145 by astronomer W. D. Li from University of California at Berkeley via unfiltered KAIT CCD images taken on June 15 and June 17, 2002.[8] It was located 8".8 west and 18".3 north of the nucleus.[9] A further inspection done by A. V. Filippenko, R. Chornock and R. J. Foley, using the Shane 3-m reflector at Lick Observatory confirmed SN 2002dn was a Type Ic supernova which resembled SN 1987m.[8][7]

SN 2003hy

SN 2003hy[10] was discovered by British amateur astronomer, Tom Boles from Coddenham, England on September 14, through unfiltered CCD images using a 0.35-m reflector as part of the course done by U.K. Nova/Supernova Patrol.[11] Surprising, SN 2003hy was also discovered by another amateur astronomer, Mark Armstrong who saw it on the same unfiltered CCD images and via a 0.35m reflector.[11] It had a magnitude of 16.6[10] and was located 5".5 west and 12".5 north of the nucleus.[12] The supernova was Type IIn.[10]

A 14-minute exposure of SN 2003hy taken on December 28, 2003, shows it is much dimmer than 19.4 magnitude, which the dimmest stars are magnitude 20.[13]

SN 2010iq

Lick Observatory Supernova Search discovered SN 2010iq on October 11, 2010.[14] It was reported by A. Narla, S. B. Cenko, W. Li and A. V. Filippenko from University of California, Berkeley through unfiltered CCD images.[15] It was located 2".8 east and 4".4 south of the nucleus with a magnitude of 18.2.[14] This supernova was Type Ic.[14]

PSN J21542359+1509224

PSN J21542359+1509224 was discovered on 13 May 2014 by Bin Wang and Xing Gao.[16] It was located 5".3 east and 0".9 south of the nucleus with a magnitude of 18.3. This supernova had an unknown type.[16]

SN 2022lfa

SN 2022lfa[17] was discovered on May 28, 2022, by Zwicky Transient Facility (ZTF) through Palomar 1.2m Oschin telescope on the behalf of K. De from Caltech.[18] On June 28, 2022, astronomers confirmed that SN 2022lfa is a Type Ic supernova via a spectrum obtained on MJD 59755.43 using the 3-m Shane telescope at Lick Observatory.[19]

References

  1. ^ "HyperLeda -object description". atlas.obs-hp.fr. Retrieved 2024-05-06.
  2. ^ Ford, Dominic. "IC5145 (Galaxy)". In-The-Sky.org. Retrieved 2024-05-06.
  3. ^ Astronomy, Go. "IC 5145 | galaxy in Pegasus | IC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-05-06.
  4. ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-05-06.
  5. ^ "Index Catalog Objects: IC 5100 - 5149". cseligman.com. Retrieved 2024-05-06.
  6. ^ "Revised IC Data for IC 5145". spider.seds.org. Retrieved 2024-05-06.
  7. ^ a b "SN 2002dn | Transient Name Server". www.wis-tns.org. Retrieved 2024-05-06.
  8. ^ a b Li, W. D.; Filippenko, A. V.; Chornock, R.; Foley, R. J. (2002-06-01). "Supernova 2002dn in IC 5145". International Astronomical Union Circular (7922): 1. Bibcode:2002IAUC.7922....1L. ISSN 0081-0304.
  9. ^ "SN 2002dn". w.astro.berkeley.edu. Retrieved 2024-05-06.
  10. ^ a b c "SN 2003hy | Transient Name Server". www.wis-tns.org. Retrieved 2024-05-06.
  11. ^ a b Boles, T.; Armstrong, M. (2003-09-01). "Supernova 2003hy in IC 5145". International Astronomical Union Circular (8200): 1. Bibcode:2003IAUC.8200....1B. ISSN 0081-0304.
  12. ^ "Bright Supernovae - 2003". www.rochesterastronomy.org. Retrieved 2024-05-06.
  13. ^ "SN 2003hy in IC 5145". www.kopernik.org. Retrieved 2024-05-06.
  14. ^ a b c dbishopx@gmail.com. "Bright Supernovae - 2010". www.rochesterastronomy.org. Retrieved 2024-05-06.
  15. ^ Narla, A.; Cenko, S. B.; Li, W.; Filippenko, A. V. (2010-10-01). "Supernova 2010iq in IC 5145". Central Bureau Electronic Telegrams. 2493: 1. Bibcode:2010CBET.2493....1N.
  16. ^ a b "Bright Supernovae - 2014". www.rochesterastronomy.org. Retrieved 2024-05-06.
  17. ^ "SN 2022lfa | Transient Name Server". www.wis-tns.org. Retrieved 2024-05-06.
  18. ^ "Discovery certificate for object 2022lfa | Transient Name Server". www.wis-tns.org. Retrieved 2024-05-06.
  19. ^ "Classification certificate for object 2022lfa | Transient Name Server". www.wis-tns.org. Retrieved 2024-05-06.
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