A dataset provided by the European Space Agency

Name 055628
Title Hot gas phase abundances in the 1 kpc central region of "hot-spot" galaxies.
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0556280101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0556280201
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0556280301
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0556280401

DOI 10.5270/esa-pq74yi7
Author Prof Angeles Diaz
Description We propose to perform abundance determinations of the hot gas in the central sim 1 kpc of two galaxies with circumnuclear star forming regions for which the analysis of the warm ionized gas (HII regions) yields an oxygen abundance lower than expected from empirical abundance indicators. These findings point to an effect similar to what is found for M82, i.e. a defficiency of light alpha elements (O, Ne) in the central regions. If this is common among regions dominated by recent star formation, the oxygen abundances found for the warm ionized gas might not be representative of the true metal content of these regions. This could have a profound effect on abundance calibrations leading to fundamental relations like the Mass-Metallcity and Luminosity-Metallicity relations.
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The Million Optical - Radio-X-ray Associations (MORX) Catalogue . Flesch, Eric W., . PASA . 33-52 . 2016 . 2016PASA...33...52F ,
Dependence of the broad Fe Kalpha line on the physical parameters of AGN . Liu, Zhu, Yuan, Weimin, et all. . MNRAS . 463-684 . 2016 . 2016MNRAS.463..684L ,
X-ray properties of the X-CLASS-redMaPPer galaxy cluster sample: the luminosity-temperature relation . Molham, Mona, Clerc, Nicolas, et all. . MNRAS . 494-161 . 2020 . 2020MNRAS.494..161M ,
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2008-05-21T02:40:06Z/2009-04-23T23:32:26Z
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 2010-05-30T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2010-05-30T00:00:00Z, 055628, 17.56_20190403_1200. https://doi.org/10.5270/esa-pq74yi7