A dataset provided by the European Space Agency

Name 040170
Title Broad-band multifrequency variability of 3C 454.3 during a radio outburst
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0401700201
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0401700401
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0401700501
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0401700601

DOI 10.5270/esa-rmvxjwn
Author Dr Claudia M. Raiteri
Description In spring 2005 the blazar 3C 454.3 was observed exceptionally bright at optical and X-ray frequencies. In late August the source was bright in the mm band, and now the flux increase detected in the cm band is likely the start of a long-term radio outburst. Many low-energy data have been collected by the WEBT consortium, revealing strong spectral changes. We propose to observe this source with XMM-Newton in different phases of the radio outburst. Coordinated observations in the radio, NIR, and optical bands will be carried out by the WEBT, and gamma-ray data will be provided by the AGILE satellite. All these data will complement those acquired during the optical outburst and will allow to shed light on the variability mechanisms as well as on the jet structure and geometry.
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A new activity phase of the blazar 3C 454.3. Multifrequency observations by the WEBT and XMM-Newton in 2007-2008 . Raiteri, C. M., Villata, M., et all. . A&A . 491-755 . 2008 . 2008A&A...491..755R ,
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-07-02T21:25:07Z/2007-05-31T17:24:10Z
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 2008-06-22T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2008-06-22T00:00:00Z, 040170, 17.56_20190403_1200. https://doi.org/10.5270/esa-rmvxjwn