A dataset provided by the European Space Agency

Proposal ID 030032
Title X-ray spectral characterization of optically selected NL Seyfert 1 galaxies
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DOI https://doi.org/10.5270/esa-fri4c7l
Principal Investigator, PI Dr Luigi Foschini
Abstract We propose the observation with XMM-Newton of a sample of 14 optically selectedNarrow-Line Seyfert 1 galaxies (NLS1) discovered in the Sloan Digital Sky Survey(SDSS) and never observed in X-rays. The key aim of this project is the detailedcharacterization of the X-ray spectral properties of optically selected NLS1.Moreover, since most NLS1 known to date are X-ray selected, this study will alsoassess if their 0.5-10 keV spectral properties change with the selection method.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-02-11T20:47:43Z/2006-04-05T03:07:11Z
Version 17.56_20190403_1200
Mission Description The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs 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 Earths 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 2008-08-29T00:00:00Z
Keywords "SDSS", "XMM", "kev spectral properties", "xray spectral properties", "nl seyfert", "XMM-Newton", "narrow line seyfert", "selection method", "xmm newton"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Luigi Foschini, 2008, 'X-ray spectral characterization of optically selected NL Seyfert 1 galaxies', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-fri4c7l