A dataset provided by the European Space Agency

Name 040232
Title X-ray spectral characterization of optically selected narrow-line Seyfert 1 gal
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0402320101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0402320201

DOI 10.5270/esa-v56zug2
Author Dr Luigi Foschini
Description We propose the observation with XMM-Newton of a sample of 12 optically selected Narrow-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 study of the X-ray spectral properties and correlations of optically selected NLS1. The superior capabilities of XMM will allow to deconvolve spectral components if appropriate. The results will be compared with those of X-ray selected NLS1 samples and classical Seyfert-1s to discuss-infer systematic trends of the X-ray spectral shape as a function of the FWHM of (Hbeta) which, combined with luminosity, allows to estimate the Eddington ratio and the mass of the central black hole.
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The 3XMM-SDSS Stripe 82 Galaxy Cluster Survey. I. Cluster catalogue and discovery of two merging cluster candidates . Takey, A., Durret, F., et all. . A&A . 594-32 . 2016 . 2016A&A...594A..32T ,
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Anisotropy of the galaxy cluster X-ray luminosity-temperature relation . Migkas, Konstantinos, Reiprich, Thomas H., . A&A . 611-50 . 2018 . 2018A&A...611A..50M ,
Imaging Plasma Density Structures in the Soft X-Rays Generated by Solar Wind Charge Exchange with Neutrals . Sibeck, David G., Allen, R., et all. . SSRv . 214-79 . 2018 . 2018SSRv..214...79S ,
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A Comparison of X-Ray Photon Indices among the Narrow- and Broad-line Seyfert 1 Galaxies . Ojha, Vineet, Chand, Hum, et all. . ApJ . 896-95 . 2020 . 2020ApJ...896...95O ,
Multiwavelength classification of X-ray selected galaxy cluster candidates using convolutional neural networks . Kosiba, Matej, Lieu, Maggie, et all. . MNRAS . 496-4141 . 2020 . 2020MNRAS.496.4141K ,
SPIDERS: overview of the X-ray galaxy cluster follow-up and the final spectroscopic data release . Clerc, N., Kirkpatrick, C. C., et all. . MNRAS . 497-3976 . 2020 . 2020MNRAS.497.3976C ,
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-02-02T17:58:35Z/2007-02-03T01:44:22Z
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 2008-03-10T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2008-03-10T00:00:00Z, 040232, 17.56_20190403_1200. https://doi.org/10.5270/esa-v56zug2