ROSAT observations of blazars from the Impey and Tapia polarization sample

Details ROSAT observations of blazars from the Impey and Tapia polarization sample ROSAT observations of blazars from the Impey and Tapia polarization sample

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995adspr..16..115m&link_type=abstract

Advances in Space Research (ISSN 0273-1177), vol. 16, no. 3, p. 115-118

Astronomy and Astrophysics

Astronomy

Active Galactic Nuclei, Blazars, Energy Distribution, Rosat Mission, Spectrum Analysis, Absorption Spectra, Energy Spectra, Polarization (Waves), Red Shift, X Ray Astronomy, X Ray Spectra

Scientific paper

We have observed with ROSAT six blazars from the sample of 31 polarized objects constructed by Impey and Tapia (1988). Results of the spectral analysis in the ROSAT band are described. Using a simple power law model with free absorption a wide range of spectral slopes is obtained, from 0.2 to 2.2 in the energy spectral index alphaChi. Indication of spectral curvature in the X-ray band is found in the sense of a concavity (soft excess) for the flattest spectrum and a convexity (soft deficiency) for the steepest one. The X-ray spectral shape is discussed in relation to the overall energy distribution for the six objects. The results are compared with other samples of blazars. The X-ray spectral index, alphaChi, is found to be anticorrelated with the broad band spectral index alphaRO and with bolometric luminosity and red-shift.

Affiliated with

Also associated with

No associations

Rating

ROSAT observations of blazars from the Impey and Tapia polarization sample does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with ROSAT observations of blazars from the Impey and Tapia polarization sample, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and ROSAT observations of blazars from the Impey and Tapia polarization sample will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-883813