a Precise Measurement of the Position of the Source of Giant and Rapid Variability in the NLS1 13224-3809

Details a Precise Measurement of the Position of the Source of Giant and Rapid Variability in the NLS1 13224-3809 a Precise Measurement of the Position of the Source of Giant and Rapid Variability in the NLS1 13224-3809

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..287p&link_type=abstract

Chandra Proposal ID #01700006

Physics

Chandra Proposal Id #01700006

Scientific paper

Within a 30 day ROSAT HRI monitoring observations we have detected the strongest persistent X-ray variability known in a Seyfert galaxy. At least 5 giant amplitude variations with a factor of about 60 are visible. Unusually strong relativistic boosting effects provide the most plausible explanation of the X-ray data. We propose to use AXAF for a precise measurement of the position of the source of the strong variability to further proof that the X-rays we measure are associated with the distant galaxy. We expect about 500 HRC photons within 10 ks observing time. We may further improve the HRG position using serendipitous X-ray sources detected previously with the HRI that have counterparts in the Optical.

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