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NGC 57 is an elliptical galaxy in the constellation Pisces.[1] It was discovered on 8 October 1784 by astronomer William Herschel.[4]
SN 2010dq
On June 3, 2010, Koichi Itagaki detected a magnitude 17 supernova 17" west and 1" south of the center of NGC 57 at coordinates 00 15 29.70 +17 19 41.0: Itagaki detected the August 29th 2011 an other supernova in NGC 57, 2011fp, with magnitude 17,9.[5][6]
See also
References
- ^ a b c d "Revised NGC Data for NGC 57". spider.seds.org. Retrieved 2017-12-18.
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 57. Retrieved 2006-12-22.
- ^ An 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
- ^ "New General Catalog Objects: NGC 50 - 99". cseligman.com. Retrieved 2017-12-18.
- ^ David Bishop. "Latest Supernovae". supernovae.net (International Supernovae Network). Retrieved 2010-06-04.
- ^ Cbet 2820 del 20 settembre 2011
External links
- NGC 57 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- Discovery image of SN 2010dq[permanent dead link] (2010-06-03) / Wikisky DSS2 zoom-in of same region
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