Type II quasars from the Sloan digital sky survey. IV. Chandra and XMM-Newton observations reveal heavily absorbed sources

Astrophysical Journal

Volumn 637, Issue 1 I, 2006, Pages 147-156

  Ptak, Andrew ^a   Zakamska, Nadia L ^b   Strauss, Michael A ^b   Krolik, Julian H ^a   Heckman, Timothy M ^a   Schneider, Donald P ^c   Brinkmann, Jon ^d  

^a JOHNS HOPKINS UNIVERSITY   (United States)

^b PRINCETON UNIVERSITY OBSERVATORY   (United States)

^c PENNSYLVANIA STATE UNIVERSITY   (United States)

^d APACHE POINT OBSERVATORY   (United States)

Author keywords

Galaxies: active; Quasars: general; X rays

Indexed keywords

EID: 33644541786     PISSN: 0004637X     EISSN: 15384357     Source Type: Journal    
DOI: 10.1086/498233     Document Type: Article

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