Project Details

Description

WE FOUND HINTS OF AN ANTI-CORRELATION BETWEEN OBSERVED X-RAY WEAKNESS AND EDDINGTON RATIO IN A SMALL SAMPLE OF BALQSOS OBSERVED IN THE X-RAYS WITH HIGH QUALITY BLACK HOLE MASS ESTIMATES. WE ARGUE THAT THIS COULD BE DUE TO INTERVENING OBSCURATION (PERHAPS DUE TO THE PRESENCE OF A 'FAILED WIND' AT THE BASE OF THE ACCRETION DISK AS REQUESTED BY SOME MODEL OF WIND LAUNCHING IN BALQSOS) OR TO INTRINSIC (I.E. NOT DUE TO ABSORPTION) X-RAY WEAKNESS SOMETIMES ASSOCIATED WITH RAPIDLY-ACCRETING SMBH. IN ORDER TO ASSES IF THAT ANTI-CORRELATION EXISTS AND TO TEST THE DIFFERENT POSSIBLE PHYSICAL EXPLANATIONS WE PROPOSE TO OBSERVE WITH XMM-NEWTON A SAMPLE OF 8 BALQSOS AT Z=1.7-1.9 FOR A TOTAL OF 147 KS.
StatusFinished
Effective start/end date3/1/182/28/19

Funding

  • Goddard Space Flight Center

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