Possible X-ray emission from a new southern QSO HE 1029-1401

Details Possible X-ray emission from a new southern QSO HE 1029-1401 Possible X-ray emission from a new southern QSO HE 1029-1401

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasj...45l...7i&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 45, no. 2, p. L7-L12.

Astronomy and Astrophysics

Astronomy

1

Emission Spectra, Light Curve, Quasars, Satellite Observation, X Ray Sources, Ginga Satellite, Power Series, X Ray Spectra

Scientific paper

HE 1029-1401 (z = 0.086) is a recently discovered southern bright quasar (V = 13.86; Mv = -25.1), and is one of the most luminous QSOs with a low redshift (z less than 0.1) in the optical and UV wavelengths. We report here on possible X-ray detection from HE 1029-1401 by the Ginga satellite. This new QSO is found in the error regions of an X-ray source observed with the HEAO-1 and Ginga satellite. The X-ray spectrum shows a flat power-law in the high-energy band, and excess emission in soft X-rays, which have been often observed in many QSOs. From the X-ray light curve, we find a flux variation on a time scale with an order of half a day. This time variability is fairly rapid, compared to known AGNs with a similar X-ray luminosity.

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