Rosat observations of PKS 2155-304

被引：0
|
作者：
Brinkmann, W [1 ]
Siebert, J [1 ]
机构：
[1] Max Planck Inst Extraterr Phys, D-85740 Garching, Germany
来源：
BL LAC PHENOMENON | 1999年 / 159卷
关键词：
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The BL Lac object PKS 2155-304 was studied in two very deep ROSAT HRI observations in May and in November, 1996. The observed intensity variations can be represented by a superposition of individual 'shots' of similar duration (similar to 1 day) and amplitude and long term smooth luminosity changes. A comparison with previous ROSAT observations confirms the persistence of these phenomena. The close correspondence between the light curves of November 1996 and November 1991 strongly argues against a micrc-lensing interpretation of these achromatic variations. BL Lac objects might just be the first active galactic nuclei where system intrinsic periodic variations can be observed in X-rays.
引用
收藏
页码：168 / 171
页数：4
相关论文
共 50 条
  • [1] HESS observations of PKS 2155-304
    Aharonian, F
    Akhperjanian, AG
    Aye, KM
    Bazer-Bachi, AR
    Beilicke, M
    Benbow, W
    Berge, D
    Berghaus, P
    Bernlöhr, K
    Bolz, O
    Boisson, C
    Borgmeier, C
    Breitling, F
    Brown, AM
    Gordo, JB
    Chadwick, PM
    Chitnis, VR
    Chounet, LM
    Cornils, R
    Costamante, L
    Degrange, B
    Djannati-Ataï, AD
    Drury, LO
    Ergin, T
    Espigat, P
    Feinstein, F
    Fleury, P
    Fontaine, G
    Funk, S
    Gallant, YA
    Giebels, B
    Gillessen, S
    Goret, P
    Guy, J
    Hadjichristidis, C
    Hauser, M
    Heinzelmann, G
    Henri, G
    Hermann, G
    Hinton, JA
    Hofmann, W
    Holleran, M
    Horns, D
    de Jager, OC
    Jung, I
    Khélifi, B
    Komin, N
    Konopelko, A
    Latham, IJ
    Le Gallou, R
    [J]. ASTRONOMY & ASTROPHYSICS, 2005, 430 (03): : 865 - 875
  • [2] MULTIWAVELENGTH MONITORING OF THE BL LACERTAE OBJECT PKS 2155-304 .2. THE ROSAT OBSERVATIONS
    BRINKMANN, W
    MARASCHI, L
    TREVES, A
    URRY, CM
    WARWICK, R
    SIEBERT, J
    WAGNER, S
    EDELSON, R
    FINK, H
    MADEJSKI, G
    [J]. ASTRONOMY & ASTROPHYSICS, 1994, 288 (02) : 433 - 447
  • [3] OBSERVATIONS OF PKS 2155-304 WITH THE EXTREME-ULTRAVIOLET EXPLORER
    MARSHALL, HL
    CARONE, TE
    FRUSCIONE, A
    [J]. ASTROPHYSICAL JOURNAL, 1993, 414 (02): : L53 - L56
  • [4] Multi-wavelength observations of PKS 2155-304 with HESS
    Aharonian, F
    Akhperjanian, AG
    Bazer-Bachi, AR
    Beilicke, M
    Benbow, W
    Berge, D
    Bernlöhr, K
    Boisson, C
    Bolz, O
    Borrel, V
    Braun, I
    Breitling, F
    Brown, AM
    Chadwick, PM
    Chounet, LM
    Cornils, R
    Costamante, L
    Degrange, B
    Dickinson, HJ
    Djannati-Atai, A
    Drury, LO
    Dubus, G
    Emmanoulopoulos, D
    Espigat, P
    Feinstein, F
    Fontaine, G
    Fuchs, Y
    Funk, S
    Gallant, YA
    Giebels, B
    Gillessen, S
    Glicenstein, JF
    Goret, P
    Hadjichristidis, C
    Hauser, M
    Heinzelmann, G
    Henri, G
    Hermann, G
    Hinton, JA
    Hofmann, W
    Holleran, M
    Horns, D
    Jacholkowska, A
    de Jager, OC
    Khélifi, B
    Komin, N
    Konopelko, A
    Latham, IJ
    Le Gallou, R
    Lemière, A
    [J]. ASTRONOMY & ASTROPHYSICS, 2005, 442 (03) : 895 - 907
  • [5] ISO observations of the BL Lacertae object PKS 2155-304
    Bertone, E
    Tagliaferri, G
    Ghisellini, G
    Treves, A
    Barr, P
    Celotti, A
    Chiaberge, M
    Maraschi, L
    [J]. ASTRONOMY & ASTROPHYSICS, 2000, 356 (01) : 1 - 10
  • [6] The variability analysis of PKS 2155-304
    Fan, JH
    Lin, RG
    [J]. ASTRONOMY & ASTROPHYSICS, 2000, 355 (03) : 880 - 884
  • [7] THE OPTICAL VARIABILITY AND SPECTRUM OF PKS 2155-304
    MILLER, HR
    MCALISTER, HA
    [J]. ASTROPHYSICAL JOURNAL, 1983, 272 (01): : 26 - 28
  • [8] High zenith angle observations of PKS 2155-304 with the MAGIC telescope
    Hadasch, D.
    Bretz, T.
    Mazin, D.
    [J]. HIGH ENERGY GAMMA-RAY ASTRONOMY, 2009, 1085 : 557 - +
  • [9] Cangaroo-III observations of the 2006 outburst of PKS 2155-304
    Sakamoto, Y.
    Nishijima, K.
    Mizukami, T.
    Yamazaki, E.
    Kushida, J.
    Enomoto, R.
    Ohishi, M.
    Bicknell, G. V.
    Clay, R. W.
    Edwards, P. G.
    Gunji, S.
    Hara, S.
    Hattori, T.
    Hayashi, S.
    Higashi, Y.
    Hirai, Y.
    Inoue, K.
    Itoh, C.
    Kabuki, S.
    Kajino, F.
    Katagiri, H.
    Kawachi, A.
    Kifune, T.
    Kiuchi, R.
    Kubo, H.
    Mizuniwa, R.
    Mori, M.
    Muraishi, H.
    Naito, T.
    Nakamori, T.
    Nakano, S.
    Nishida, D.
    Seki, A.
    Stamatescu, V.
    Suzuki, T.
    Swaby, D. L.
    Tanimori, T.
    Thornton, G.
    Tokanai, F.
    Tsuchiya, K.
    Watanabe, S.
    Yamada, Y.
    Yanagita, S.
    Yoshida, T.
    Yoshikoshi, T.
    Yukawa, Y.
    [J]. ASTROPHYSICAL JOURNAL, 2008, 676 (01): : 113 - 120
  • [10] Optical and UV observations of the BL Lacertae object PKS 2155-304
    Heidt, J
    Wagner, SJ
    WilhelmErkens, U
    [J]. ASTRONOMY & ASTROPHYSICS, 1997, 325 (01) : 27 - 32
12345