A dataset provided by the European Space Agency

Name 020405
Title A DEEP LOOK AT THE (RELATIVELY) X-RAY BRIGHT BALQSO FIRST 1556+3517
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0204050301
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0204050401
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0204050501

DOI 10.5270/esa-wytbpei
Author Prof MICHAEL BROTHERTON
Description We propose a 40 ks EPIC observation of the low-ionization broad absorption line (LoBAL) quasar FIRST 1556+3517. BAL quasars are X-ray faint and only since the advent of XMM and Chandra have they been routinely detected. Initial surveys reveal that the high-ionzation BAL (HiBAL) quasars are the X-ray brightest of the class and are apparently normal quasars with moderate to high line-of-sight absorbing column densities. LoBAL quasars are significantly fainter in the X-rays. The red, radio-loud BALQSO FIRST 1556+3517, a short-exposure target of both Chandra and XMM, is the X-ray brightest LoBAL quasar known at high redshifts and luminosities. The spectrum is too soft and faint to result from simple absorption, and is probably relfected as in Seyfert 2 galaxies.
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SPIDERS: overvie...
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2005-02-17T21:42:10Z/2005-07-15T19:43:10Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations.
Since Earth's atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2006-08-05T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2006-08-05T00:00:00Z, 020405, 17.56_20190403_1200. https://doi.org/10.5270/esa-wytbpei