Galaxy in the constellation Coma Berenices
NGC 4146 is aspiral galaxy located 300 millionlight-years away[2] in theconstellationComa Berenices. It was discovered on April 6, 1785, by astronomerWilliam Herschel.[3] NGC 4146 is afield galaxy and is part of theComa Supercluster.[4][5]
NGC 4146 is atype 2 seyfert galaxy,[6] and is host to asupermassive black hole with an estimated mass of 4.1 × 108M☉.[7]
Onesupernova has been observed in NGC 4146.SN 1963D (type unknown, mag. 15.8) was discovered byLeonida Rosino on January 22, 1963.[8][9]
- ^abcdefghij"Results for object NGC 4146".NASA/IPAC Extragalactic Database.NASA andCaltech. Retrieved2025-07-15.
- ^"Your NED Search Results".ned.ipac.caltech.edu. Retrieved2025-07-18.
- ^"New General Catalog Objects: NGC 4100 - 4149".cseligman.com. Retrieved2025-07-18.
- ^Gregory, S. A.; Thompson, L. A. (1978-06-15)."The Coma/A1367 supercluster and its environs".The Astrophysical Journal.222: 784.Bibcode:1978ApJ...222..784G.doi:10.1086/156198.ISSN 0004-637X.
- ^Boselli, A.; Gavazzi, G.; Lequeux, J.; Buat, V.; Casoli, F.; Dickey, J.; Donas, J. (November 1997)."The molecular gas content of spiral galaxies in the Coma/A1367 supercluster".Astronomy and Astrophysics.327:522–538.ISSN 0004-6361.
- ^"NGC 4146".simbad.cds.unistra.fr. Retrieved2025-07-18.
- ^Arzoumanian, Zaven; Baker, Paul T.; Brazier, Adam; Brook, Paul R.; Burke-Spolaor, Sarah; Becsy, Bence; Charisi, Maria; Chatterjee, Shami; Cordes, James M.; Cornish, Neil J.; Crawford, Fronefield; Cromartie, H. Thankful; Decesar, Megan E.; Demorest, Paul B.; Dolch, Timothy (2021-06-01)."The NANOGrav 11 yr Data Set: Limits on Supermassive Black Hole Binaries in Galaxies within 500 Mpc".The Astrophysical Journal.914 (2): 121.arXiv:2101.02716.Bibcode:2021ApJ...914..121A.doi:10.3847/1538-4357/abfcd3.ISSN 0004-637X.
- ^Rosino, Dr. L. (28 January 1963)."Supernova".International Astronomical Union Circular (1816). Observatory Copenhagen,IAU: 1. Retrieved18 July 2025.
- ^"1963D | Transient Name Server".www.wis-tns.org. Retrieved2025-07-18.
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