A dataset provided by the European Space Agency

Name: Probing correlated X-ray and free-free absorption variability in PKS 1718-649
Published: 2019-03-23T23:00:00Z

Proposal ID	080452
Title	Probing correlated X-ray and free-free absorption variability in PKS 1718-649
Download Data Associated to the proposal	https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0804520301
DOI	https://doi.org/10.5270/esa-3edp0wj
Principal Investigator, PI	Mr Tobias Beuchert
Abstract	We propose to observe the well known young gigaherz-peaked spectrum radio galaxyPKS 1718-649, which is part of TANAMI, the multiwavelength AGN monitoringprogram on the southern hemisphere. PKS 1718-649 turns out to be the only sourcewhere variable free-free absorption has been detected in its radio core. Manypublications emphasize the possibility of correlated X-ray absorption, due tothe very likely spatial vicinity of the radio and X-ray emission sites. Up tonow, however, no simultaneous X-ray and radio observations were conducted, whichis the aim of this proposal. As we will demonstrate, PKS 1718-649 also showsvariable X-ray absorption and is therefore the source of choice for testingcorrelated absorption variability of the radio and the X-rays.
Publications	A new multiwavelength census of blazars \|Paggi, A., Bonato, M., et al. \| A&A \| 641-62 \| 2020 \| 2020A&A...641A..62P \| http://ui.adsabs.harvard.edu/#abs/2020A&A...641A..62P High-energy Emission Component, Population, and Contribution to the Extragalactic Gamma-Ray Background of Gamma-Ray-emitting Radio Galaxies \|Fukazawa, Yasushi, Matake, Hiroto, et al. \| ApJ \| 931-138 \| 2022 \| 2022ApJ...931..138F \| http://ui.adsabs.harvard.edu/#abs/2022ApJ...931..138F Relationship between gamma-ray loudness and X-ray spectra of radio galaxies \|Kayanoki, Taishu, Fukazawa, Yasushi, \| PASJ \| 74-791 \| 2022 \| 2022PASJ...74..791K \| http://ui.adsabs.harvard.edu/#abs/2022PASJ...74..791K The XMM-Newton Line Emission Analysis Program (X-LEAP). I. Emission-line Survey of O VII, O VIII, and Fe L-shell Transitions \|Pan, Zeyang, Qu, Zhijie, et al. \| ApJS \| 271-62 \| 2024 \| 2024ApJS..271...62P \| http://ui.adsabs.harvard.edu/#abs/2024ApJS..271...62P From Active Stars to Black Holes: A Discovery Tool for Galactic X-Ray Sources \|Rodriguez, Antonio C., \| PASP \| 136-054201 \| 2024 \| 2024PASP..136e4201R \| http://ui.adsabs.harvard.edu/#abs/2024PASP..136e4201R
Instrument	EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage	2018-03-08T05:07:04Z/2018-03-08T16:13:44Z
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	2019-03-23T23:00:00Z
Keywords	"radio core", "publications emphasize", "1718 649", "southern hemisphere", "xray emission sites", "correlated xray absorption", "spatial vicinity", "multiwavelength agn", "variable xray absorption", "probing correlated xray"
Publisher And Registrant	European Space Agency
Credit Guidelines	European Space Agency, Mr Tobias Beuchert, 2019, 'Probing correlated X-ray and free-free absorption variability in PKS 1718-649', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-3edp0wj