A dataset provided by the European Space Agency

Name 069451
Title Speca, the Spiral-host Episodic radio galaxy possibly tracing Cluster Accretion


DOI 10.5270/esa-ybvigld
Author Dr Ananda Hota
Description We recently discovered a unique radio-loud AGN, Speca, the optically dominant member of a small cluster at z=0.137. Speca is the second spiral-host large radio galaxy and also the second radio galaxy with three pairs of lobes. The outermost, relic lobes, separated by ~1.3 Mpc, show an unexpectedly flat radio spectral index and a high fraction of linear polarization. These suggest large-scale shock-like dynamical processes acting in the cluster outskirts. From the distribution of member galaxies we rule out a cluster merger and are investigating the possibility of accretion (shock) from filaments. We wish to image the cluster environment of Speca with XMM to understand the AGN-cluster eco-system as it evolves via accretion, merger and feedback processes.
Publication Serendipitous UV source catalogues for 10 years of XMM and 5 years of Swift . Yershov, V. N., . Ap&SS . 354-97 . 2014 . 2014Ap&SS.354...97Y ,
The Million Optical - Radio-X-ray Associations (MORX) Catalogue . Flesch, Eric W., . PASA . 33-52 . 2016 . 2016PASA...33...52F ,
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2013-01-03T12:34:01Z/2013-01-04T08:13:31Z
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 2014-01-23T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2014-01-23T00:00:00Z, 069451, 17.56_20190403_1200. https://doi.org/10.5270/esa-ybvigld