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1. ROSAT BL Lac Spectra
... Royal Astronomical Society We study the X-ray spectra of 85 BL Lacertae objects using the hardness ratios as given in the WGA catalogue of ROSAT sources. This sample includes all WGA BL Lacs with high-quality data and comprises about 50 per cent of presently known BL Lacs. ... Significant differences, however, are present between high-energy cutoff BL Lacs (HBLs), normally selected in the X-ray band, and low-energy cutoff BL Lacs (LBLs), generally found in radio surveys. ... Figure 1 (15kb) . ...
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Ссылки http://www.eso.org/~ppadovan/xray_spectra/bllacs.html -- 3.5 Кб -- 05.01.2005
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2. http://www.eso.org/sci/libraries/IAU-WGLib/ReportsOnAstronomy2006-2009.pdf
Transactions IAU, Volume XXVIIA Reports on Astronomy 2006-2009 Karel A. van der Hucht, ed. c 2009 International Astronomical Union DOI: 00.0000/X000000000000000X DIVISON XI I/COMMISSION 5 / WORKING GROUP LIBRARIES CHAIR CO-CHAIR MEMBERS Uta Grothkopf, ESO Fionn Murtagh, Univ. ... Librarians are taking on new and diversified roles. ... Uta Grothkopf, Fionn Murtagh chairs of Working Group References Grothkopf, U. & Erdmann, C. 2008, IAU Inf Bul l no. 102, in press Mahoney, T.J. 2007, Obs 127, 401 ...
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Ссылки http://www.eso.org/sci/libraries/IAU-WGLib/ReportsOnAstronomy2006-2009.pdf -- 75.4 Кб -- 07.07.2008
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