A dataset provided by the European Space Agency

Proposal ID 040170
Title Broad-band multifrequency variability of 3C 454.3 during a radio outburst
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DOI https://doi.org/10.5270/esa-rmvxjwn
Principal Investigator, PI Dr Claudia M. Raiteri
Abstract In spring 2005 the blazar 3C 454.3 was observed exceptionally bright at opticaland X-ray frequencies. In late August the source was bright in the mm band, andnow the flux increase detected in the cm band is likely the start of a long-termradio outburst. Many low-energy data have been collected by the WEBT consortium,revealing strong spectral changes. We propose to observe this source withXMM-Newton in different phases of the radio outburst. Coordinated observationsin the radio, NIR, and optical bands will be carried out by the WEBT, andgamma-ray data will be provided by the AGILE satellite. All these data willcomplement those acquired during the optical outburst and will allow to shedlight on the variability mechanisms as well as on the jet structure and geometry.
Publications
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 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 2008-06-22T00:00:00Z
Keywords "optical bands", "XMM-Newton", "xmm newton", "gamma ray data", "jet structure", "low energy data", "term radio outburst", "blazar 3c 454", "radio outburst", "agile satellite", "XMM", "shed light", "mm band", "3c 454", "optical outburst", "variability mechanisms", "spring 2005", "webt consortium", "xray frequencies", "cm band"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Claudia M. Raiteri, 2008, 'Broad-band multifrequency variability of 3C 454.3 during a radio outburst', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-rmvxjwn