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X-ray bursting activity in the BL Lacertae object PKS 2155-304

Published online by Cambridge University Press:  19 July 2016

D. Maccagni ,
L. Chiappetti ,
L. Maraschi ,
D. Molteni ,
M. Morini ,
E.G. Tanzi ,
A. Treves  and
A. Wolter
D. Maccagni
Affiliation:
Istituto di Fisica Cosmica, CNR, Milano, Italy
L. Chiappetti
Affiliation:
Istituto di Fisica Cosmica, CNR, Milano, Italy
L. Maraschi
Affiliation:
Istituto di Fisica Cosmica, CNR, Milano, Italy Dipartimento di Fisica, Università di Milano, Italy
D. Molteni
Affiliation:
Istituto di Fisica, Università di Palermo, Italy
M. Morini
Affiliation:
IFCAI, CNR, Palermo, Italy
E.G. Tanzi
Affiliation:
Istituto di Fisica Cosmica, CNR, Milano, Italy
A. Treves
Affiliation:
Istituto di Fisica Cosmica, CNR, Milano, Italy Dipartimento di Fisica, Università di Milano, Italy
A. Wolter
Affiliation:
Dipartimento di Fisica, Università di Milano, Italy

Extract

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The bright BL Lac object PKS 2155-304 (mv=13; z=0.117) was observed with EXOSAT at five epochs (1983 Oct. 31, Nov. 30, 1984 Nov. 6, 7 and 11), for a total of about 30 hours of exposure time. Here we present data and results obtained with the Low Energy (LE) telescopes, in the band 0.05–2. keV, and with the Medium Energy (ME) argon proportional counters in the range 1.–6. keV.

Type
II. Continuum Emission
Information
Symposium - International Astronomical Union , Volume 119: Quasars , 1986 , pp. 267 - 268
Copyright
Copyright © Reidel 1986