Messier Index/M84

200px M84. Credit:w:NOAO. Messier 84 E1NASA/IPAC Extragalactic Database Results for NGC 4374 http://nedwww.ipac.caltech.edu/ 2006-11-14 w:J2000 12 25 03.7 +12 53 13 60 ± 3 Mly (18.4 ± 0.9 Mpc)J. L. Tonry, A. Dressler, J. P. Blakeslee, E. A. Ajhar, A. B. Fletcher, G. A. Luppino, M. R. Metzger, C. B. Moore The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances Astrophysical Journal 2001 546 2 681–693 http://adsabs.harvard.edu/abs/2001ApJ...546..681T 10.1086/318301 1060 ± 6 km/s 10.1 6′.5 × 5′.6 Virgo - NGC 4374, UGC 7494, PGC 40455, VCC 763 Messier 84 (also known as M84 or NGC 4374) is a w:lenticular galaxy in the w:constellation Virgo. M84 is situated in the heavily populated inner core of the Virgo Cluster of galaxies.Finoguenov, A.; Jones, C. Chandra Observation of Low-Mass X-Ray Binaries in the Elliptical Galaxy M84 The Astrophysical Journal 2002 574 2 754–761 http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2002ApJ...574..754F 10.1086/340997 Radio observations and images of the w:Hubble Space Telescope of M84 have revealed two jets of matter shooting out from the galaxy's center as well as a disk of rapidly rotating gas and stars close to the nucleus indicating the presence of a supermassive w:black hole of 18 8 M☉Ly, C.; Walker, R. C.; Wrobel, J. M. An Attempt to Probe the Radio Jet Collimation Regions in NGC 4278, NGC 4374 (M84), and NGC 6166 The Astronomical Journal 2004 127 1 119–124 http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2004AJ....127..119L 10.1086/379855 in the galaxy's nucleus. thumb|left|200px|Messier 84 nucleus by HST History w:Charles Messier discovered Messier 84 on 18 March 1781 in a systematic search for "nebulous objects" in the night skyK. G. Jones 1991 Messier's Nebulae and Star Clusters 2nd Cambridge University Press Cambridge 0-521-37079-5 . The object is the 84th in the w:Messier Catalogue. Supernovae Two w:supernovae have been observed in M84: w:SN 1957Götz, W. Supernova in NGC 4374 (= M 84) Astronomische Nachrichten 1958 284 141 http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1958AN....284..141G 10.1002/asna.19572840308 and w:SN 1991bg.Kosai, H.; Kushida, R.; Kato, T.; Filippenko, A.; Newberg, H. Supernova 1991bg in NGC 4374 IAU Circ. 1958 5400 1 http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1991IAUC.5400....1K Possibly, a third, w:SN 1980I is part of M84 or, alternatively, one of its neighboring galaxies, w:NGC 4387 and M86.Smith, H. A. The spectrum of the intergalactic supernova 1980I Astronomical Journal July 1981 86 998–1002 http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=1981AJ.....86..998S 10.1086/112975 External links SEDS Lenticular Galaxy M84 References