Active galactic nucleus

Results: 462



#Item
351Supermassive black holes / Galaxies / Quasar / Radio astronomy / Plasma physics / Active galactic nucleus / Black hole / X-ray astronomy / Chandra X-ray Observatory / Astronomy / Extragalactic astronomy / Space

Chandra X-Ray Observatory X-Ray Astronomy Field Guide Quasars are peculiar objects that radiate as much energy per second as a thousand or more galaxies, from a region that has a diameter about

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Source URL: xrtpub.harvard.edu

Language: English - Date: 2008-01-29 13:13:38
352Observational astronomy / BL Lac object / BL Lacertae / Brera Astronomical Observatory / Quasar / X-ray astronomy / Observatory of Turin / BeppoSAX / Whole Earth Blazar Telescope / Astronomy / Blazars / Active galactic nucleus

T he Blazar T imes A Research Newsletter Dedicated to the BL Lac and Blazar Phenomena No. 40 — February 2002 Editor: Travis A. Rector ([removed])

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Source URL: hosting.uaa.alaska.edu

Language: English - Date: 2006-10-26 16:57:44
353Galactic astronomy / MKN / Starburst galaxy / Galaxy / Active galactic nucleus / Extinction / Cosmic distance ladder / Astronomy / Extragalactic astronomy / Space

J. Astrophys. Astr[removed], 155–172 Hα Emission Line Morphologies in Markarian Starburst Galaxies A. Chitre1 & U. C. Joshi, Physical Research Laboratory, Navrangpura,

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Source URL: www.ias.ac.in

Language: English - Date: 2001-10-31 07:21:10
354X-ray astronomy / Plasma physics / Physical cosmology / Quasar / Radio astronomy / Active galactic nucleus / Radio galaxy / Sloan Digital Sky Survey / Redshift / Astronomy / Observational astronomy / Space

A The Astrophysical Journal, 618:123–138, 2005 January 1 # 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. HARD X-RAY–EMITTING ACTIVE GALACTIC NUCLEI SELECTED BY THE CHANDRA

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2005-06-09 14:06:56
355Physical cosmology / Active galactic nucleus / Quasar / Chandra X-ray Observatory / Gravitational lens / Redshift / Astronomy / Physics / Space

The Astrophysical Journal, 605:L105–L108, 2004 April 20 䉷 2004. The American Astronomical Society. All rights reserved. Printed in U.S.A. DISCOVERY OF A JETLIKE STRUCTURE AT THE HIGH-REDSHIFT QSO CXOMP J084128.3⫹13

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2005-05-04 13:40:04
356Physics / Physical cosmology / X-ray astronomy / Plasma physics / Astronomical surveys / Active galactic nucleus / Redshift / Photometric redshift / Quasar / Astronomy / Observational astronomy / Space

The Astrophysical Journal, 679:118Y139, 2008 May 20 # 2008. The American Astronomical Society. All rights reserved. Printed in U.S.A. THE LUMINOSITY FUNCTION OF X-RAYYSELECTED ACTIVE GALACTIC NUCLEI: EVOLUTION OF SUPERMA

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2010-10-13 15:27:12
357Physical cosmology / Astronomical surveys / Quasar / Radio astronomy / Active galactic nucleus / Sloan Digital Sky Survey / Redshift / X-ray astronomy / Photometric redshift / Astronomy / Observational astronomy / Physics

The Astrophysical Journal, 690:644–669, 2009 January 1 c[removed]The American Astronomical Society. All rights reserved. Printed in the U.S.A.  doi:[removed]637X[removed]

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2008-12-02 11:35:09
358Plasma physics / X-ray astronomy / Active galactic nucleus / Quasar / Chandra X-ray Observatory / Redshift / Astrophysical X-ray source / NGC / Astronomy / Space / Observational astronomy

The Astrophysical Journal, 705:1336–1355, 2009 November 10  C[removed]doi:[removed]637X[removed]

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2009-12-15 13:52:33
359Space / Plasma physics / Physical cosmology / X-ray astronomy / Physical quantities / Active galactic nucleus / Redshift / Lockman Hole / Quasar / Astronomy / Observational astronomy / Physics

The Astrophysical Journal, 624:630–637, 2005 May 10 # 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. COMOVING SPACE DENSITY OF X-RAY–SELECTED ACTIVE GALACTIC NUCLEI J. D. Silverman,1,

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2005-06-09 14:05:00
360Radio astronomy / Supermassive black holes / Galaxies / Quasars / Active galactic nucleus / Astrophysics / Radio galaxy / Seyfert galaxy / Elliptical galaxy / Astronomy / Extragalactic astronomy / Space

DOC Document

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Source URL: www.gresham.ac.uk

Language: English - Date: 2013-10-24 06:02:21
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