Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Henner Fink"'
Autor:
Greg Madejski, Thierry J.-L. Courvoisier, Aldo Treves, Paola Grandi, Joseph E. Pesce, Henner Fink, Ian M. George, Steve Penton, Willem Wamsteker, C. Megan Urry, J. Michael Shull, Annalisa Celotti, Renato Falomo, Ron I. Kollgaard, T. Kii, Herman L. Marshall, Elena Pian, Laura Maraschi, Gabriele Ghisellini
Publikováno v:
The Astrophysical Journal. 486:784-798
PKS 2155-304, the brightest BL Lac object in the ultraviolet sky, was monitored with the IUE satellite at ~1 hour time-resolution for ten nearly uninterrupted days in May 1994. The campaign, which was coordinated with EUVE, ROSAT, and ASCA monitoring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d77ea7ed5c01f9ff3d738a4891b3d4dd
https://doi.org/10.1086/304537
https://doi.org/10.1086/304537
Publikováno v:
Advances in Space Research. 13:287-290
ROSAT All Sky Survey observations of IRAS galaxies have revealed up to now a number of 10 optically non-Seyfert galaxies with X-ray (0.1–2.4) luminosities up to a few 1043erg · s−1 (Boller et al. 1992). The sources are brighter than previous det
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbc05567c4c18d46cfe5b7169bbc0b99
https://doi.org/10.1016/0273-1177(93)90122-r
https://doi.org/10.1016/0273-1177(93)90122-r
Autor:
Elmar Pfeffermann, Günther Hasinger, Wolfgang Voges, J. H. M. M. Schmitt, Henner Fink, K. Beuermann, Heinrich Bräuninger, Joachim Trümper, Wolfgang Pietsch, Peter Predehl, Wolfgang Burkert, Bernd Aschenbach, U. Zimmermann, Ulrich G. Briel
Publikováno v:
Nature. 349:579-583
The central region of the Large Magellanic Cloud (LMC) contains a variety of astrophysical objects including supernova remnants, X-ray binary systems, the 30 Doradus complex of hot stars, as well as supernova 1987A. A survey in X-rays of this region,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e64faad8e410e1ed86969054fbb5f1d
https://doi.org/10.1038/349579a0
https://doi.org/10.1038/349579a0
Publikováno v:
Rusn, B; Malkan, MA; Fink, HH; & Voges, W. (1996). Soft x-ray properties of seyfert galaxies in the rosat all-sky survey. Astrophysical Journal, 471(1 PART I), 190-202. doi: 10.1086/177962. UCLA: Retrieved from: http://www.escholarship.org/uc/item/1z55m0v1
Astrophysical Journal, vol 471, iss 1 PART I
The Astrophysical Journal, vol 471, iss 1
Astrophysical Journal, vol 471, iss 1 PART I
The Astrophysical Journal, vol 471, iss 1
We present the results of ROSAT All-Sky Survey observations of Seyfert and IR-luminous galaxies from the Extended 12 Micron Galaxy Sample and the optically-selected CfA Sample. Roughly half of the Seyferts (mostly Seyfert 1s) have been fitted to an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2546a0ff3292ce48d55d7724e6ce061e
Autor:
W. Brinkmann, Scott F. Anderson, Bruce Margon, Paul J. Green, Joachim Trümper, Paul C. Hewett, N. Schartel, Henner Fink, Craig B. Foltz
We develop and apply a novel method of analysis to study the X-ray spectral properties of 908 QSOs in the Large Bright Quasar Survey (LBQS) that were observed during the soft X-ray ROSAT All-Sky Survey (RASS). Due to the relatively short (
27 pa
27 pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::baab3f947047b2b571c79fcf2ed978f4
Autor:
S. Schaeidt, Jules P. Halpern, Henner Fink, Chris Shrader, Alexei V. Filippenko, Michiel Kolman
Publikováno v:
Astrophysics and Space Science Library ISBN: 9789401043410
We report on the first simultaneous optical, UV, and X-ray spectroscopy of the low-redshift (z = 0.297), high-luminosity QSO H1821+643. This multiwavelength campaign was complemented by optical imaging and radio mapping with the VLA. Although there w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d910096039ae7311bc2ce5f2ff62f56
https://doi.org/10.1007/978-94-011-0794-5_115
https://doi.org/10.1007/978-94-011-0794-5_115
Publikováno v:
The Nearest Active Galaxies ISBN: 9789401048538
A sample of 14708 extragalactic IRAS sources selected from the Point Source Catalog via statistical classification has been cross-correlated with the ROSAT All Sky Survey (Boller et al., 1992). 244 galaxies emerge as being detected both by ROSAT and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b657c657bd139cdcc650d14e3c4f4a3b
https://doi.org/10.1007/978-94-011-1930-6_7
https://doi.org/10.1007/978-94-011-1930-6_7
Publikováno v:
Physics of Active Galactic Nuclei ISBN: 9783642775680
Physics of Active Galactic Nuclei
Physics of Active Galactic Nuclei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57e38345f1000570979e7230127af33b
https://doi.org/10.1007/978-3-642-77566-6_14
https://doi.org/10.1007/978-3-642-77566-6_14
Autor:
Stefanie Komossa, Henner Fink
Publikováno v:
International Astronomical Union Colloquium. 159:246-247
We have studied the warm absorbers in several Seyfert galaxies using both PI and archival ROSAT data. The parameters that govern the emissivity of the ionized material, ionization parameter U, warm-absorber column density Nwa, and the source intrinsi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24e59ef29afbabbc5df57a8c4ebfe5c2
https://doi.org/10.1017/s0252921100040197
https://doi.org/10.1017/s0252921100040197
Autor:
Paul J. Green, Norbert Schartel, Scott F. Anderson, Paul C. Hewett, Craig B. Foltz, W. Brinkmann, Joachim Truemper, Bruce Margon, Henner Fink
Publikováno v:
The Astrophysical Journal. 450:51
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2ccc7b334588901af0bcd87ff62293a
https://doi.org/10.1086/176118
https://doi.org/10.1086/176118