Document Detail


Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87.
MedLine Citation:
PMID:  23019611     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Approximately 10% of active galactic nuclei exhibit relativistic jets, which are powered by accretion of matter onto super massive black holes. While the measured width profiles of such jets on large scales agree with theories of magnetic collimation, predicted structure on accretion disk scales at the jet launch point has not been detected. We report radio interferometry observations at 1.3 mm wavelength of the elliptical galaxy M87 that spatially resolve the base of the jet in this source. The derived size of 5.5 ± 0.4 Schwarzschild radii is significantly smaller than the innermost edge of a retrograde accretion disk, suggesting that the M87 jet is powered by an accretion disk in a prograde orbit around a spinning black hole.
Authors:
Sheperd S Doeleman; Vincent L Fish; David E Schenck; Christopher Beaudoin; Ray Blundell; Geoffrey C Bower; Avery E Broderick; Richard Chamberlin; Robert Freund; Per Friberg; Mark A Gurwell; Paul T P Ho; Mareki Honma; Makoto Inoue; Thomas P Krichbaum; James Lamb; Abraham Loeb; Colin Lonsdale; Daniel P Marrone; James M Moran; Tomoaki Oyama; Richard Plambeck; Rurik A Primiani; Alan E E Rogers; Daniel L Smythe; Jason Soohoo; Peter Strittmatter; Remo P J Tilanus; Michael Titus; Jonathan Weintroub; Melvyn Wright; Ken H Young; Lucy Ziurys
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-27
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  -     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
MIT Haystack Observatory, Off Route 40, Westford, MA 01886, USA.
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