NGC 57
{{Short description|Galaxy in the constellation Pisces}}
{{Infobox galaxy
| name = NGC 57
| image = NGC57 - SDSS DR14.jpg
| alt = Elliptical galaxy
| caption = NGC 57 imaged by SDSS
| epoch = J2000
| constellation name = Pisces
| type = E{{cite web
| website=NASA/IPAC Extragalactic Database
| publisher = NASA and Caltech
| title=Results for object NGC 0057
| url=https://ned.ipac.caltech.edu/byname?objname=NGC+0057
| access-date=2006-12-22 }}
| h_radial_v = {{nowrap|5,440 ± 22 km/s}}
| dist_ly = 243 MlyAn object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
| appmag_v = 11.8{{Cite web|url=http://spider.seds.org/ngc/revngcic.cgi?NGC57|title=Revised NGC Data for NGC 57|website=spider.seds.org|access-date=2017-12-18}}
| size_v = 2.2{{prime}} × 1.9{{prime}}
| notes =
| names = {{odlist | MCG= +03-01-031 | CGCG= 456-046 | UGC= 145 | PGC= 1037}}
}}
NGC 57 is an elliptical galaxy in the constellation Pisces. It was discovered by German-British astronomer William Herschel on 8 October 1784.{{Cite web|url=http://cseligman.com/text/atlas/ngc0a.htm#57|title=New General Catalog Objects: NGC 50 - 99|website=cseligman.com|language=en-US|access-date=2017-12-18}}
Supernovae
Three supernovae have been observed in NGC 57:
- SN 2010dq (type{{nbsp}}Ia, mag. 17) was discovered by Kōichi Itagaki on 3 June 2010. It was 17" west and 1" south of the center of NGC 57 at coordinates {{RA|00|15|29.70}}, {{DEC|+17|19|41.0}}.{{cite journal | bibcode=2010CBET.2303....1N |title=Supernova 2010dq in NGC 57 |last1=Nakano |first1=S. |journal=Central Bureau Electronic Telegrams |date=2010 |issue=2303 |page=1 | url = http://www.cbat.eps.harvard.edu/iau/cbet/002300/CBET002303.txt}}{{cite web | website=Transient Name Server | title=SN{{nbsp}}2010dq | url=https://www.wis-tns.org/object/2010dq | publisher = IAU | access-date=21 December 2024}}
- 2011fp (type Ia, mag. 17.9) was discovered by Kōichi Itagaki on 29 August 2011.{{cite journal | bibcode=2011CBET.2820....1N |title=Supernova 2011fp in NGC 57 = PSN J00152561+1719119 |last1=Nakano |first1=S. |last2=Nishimura |first2=K. |last3=Yamaoka |first3=H. |last4=Noguchi |first4=T. |last5=Magill |first5=L. |last6=Kotak |first6=R. |last7=Smartt |first7=S. |last8=Pastorello |first8=A. |last9=Maguire |first9=K. |journal=Central Bureau Electronic Telegrams |date=2011 |issue=2820 |page=1 | url=http://www.cbat.eps.harvard.edu/cbet/002800/CBET002820.txt}}{{cite web | website=Transient Name Server | title=SN{{nbsp}}2011fp | url=https://www.wis-tns.org/object/2011fp | publisher = IAU | access-date=21 December 2024}}
- SN 2020mza (mag 19.9) was discovered on 18 June 2020.{{Cite web |title=2020mza {{!}} Transient Name Server |url=https://www.wis-tns.org/object/2020mza |access-date=2025-01-02 |website=www.wis-tns.org}}
See also
References
{{reflist}}
External links
{{Commons category}}
- {{WikiSky}}
- Discovery image of [http://www.k-itagaki.jp/images/psn57.jpg SN 2010dq]{{Dead link|date=April 2020 |bot=InternetArchiveBot |fix-attempted=yes }} (2010-06-03) / [http://www.wikisky.org/?ra=0.25825&de=17.328056&zoom=11&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=0&show_galaxies=1&show_box=1&box_ra=0.25825&box_de=17.328056&box_width=50&box_height=50&img_source=DSS2 Wikisky DSS2 zoom-in of same region]
{{Ngc5}}
{{Catalogs|NGC=57|UGC=145|PGC=1037}}
{{Sky|00|15|30.9132|+|17|19|42.307|1000000}}
{{Pisces (constellation)}}
{{DEFAULTSORT:NGC 0057}}
Category:Pisces (constellation)
Category:Discoveries by William Herschel
{{elliptical-galaxy-stub}}