Zobrazeno 1 - 10
of 42
pro vyhledávání: '"K. A. Pounds"'
Autor:
K. A. Pounds
Publikováno v:
International Astronomical Union Colloquium. 123:111-118
JET-X is one of the main payload elements in the Soviet Spectrum-X Gamma mission scheduled for launch in 1993. It consists of two Wolter I X-ray telescopes feeding cooled arrays of CCD’s. The combination of good angular resolution and long exposure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b54d56209b845de521686a261a84edda
https://doi.org/10.1017/s0252921100076958
https://doi.org/10.1017/s0252921100076958
Autor:
K. A. Pounds
Publikováno v:
Exploring the Universe.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::998b55afca59b232d8a99dea72f2d79b
https://doi.org/10.1142/9789812792174_0005
https://doi.org/10.1142/9789812792174_0005
Publikováno v:
AIP Conference Proceedings.
The evidence for cold matter in AGN, based on X‐ray observations, is discussed. The Fe Kα line equivalent width and reflection hump provide constraints on the geometry and optical depth of such material, but some uncertainties still remain. The sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42f9f6a8685d3537735133c34b801b3d
https://doi.org/10.1063/1.42165
https://doi.org/10.1063/1.42165
Publikováno v:
Physics of Active Galactic Nuclei ISBN: 9783642775680
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a93612acf2bc0554fbf3f2c7da7a8d9
https://doi.org/10.1007/978-3-642-77566-6_4
https://doi.org/10.1007/978-3-642-77566-6_4
Autor:
K. A. Pounds
Publikováno v:
Nature. 374:491-491
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edef0c07a26cff091a6d7779a50533b5
https://doi.org/10.1038/374491a0
https://doi.org/10.1038/374491a0
Publikováno v:
Space Science Reviews. 48:367-371
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e8f7c79c97f6c431d6f5612869a2922
https://doi.org/10.1007/bf00226013
https://doi.org/10.1007/bf00226013
Autor:
K A Pounds
Publikováno v:
Transactions of the International Astronomical Union. 19:616-625
The period leading up to the last IAU General Assembly was dominated in X-ray Astronomy by the results from the Einstein Observatory. This first application of a large, satellite-borne, high resolution X-ray telescope to the study of cosmic sources h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cab26b49eb3105aeac97f0d12a78b92
https://doi.org/10.1017/s0251107x00006660
https://doi.org/10.1017/s0251107x00006660
Autor:
K. A. Pounds, Andrew C. Fabian
Publikováno v:
Annals of the New York Academy of Sciences. 336:496-519
Surveys of the extragalactic X-ray sky based on data obtained from the Uhuru and Ariel V satellites are considered. The X-ray luminosity function of clusters is discussed the total density of X-ray clusters is found to approach that of all Abell clus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::211dee65f350bcf5a09da341c539a54d
https://doi.org/10.1111/j.1749-6632.1980.tb15955.x
https://doi.org/10.1111/j.1749-6632.1980.tb15955.x
Autor:
K. A. Pounds, T. J. Turner
Publikováno v:
Symposium - International Astronomical Union. 134:155-160
Results are presented from EXOSAT observations of Seyfert type active galactic nuclei (AGN). The sample chosen for study are 48 hard X-ray selected Seyfert type AGN, including all 30 of the emission line AGN in the Piccinotti sample. Combining EXOSAT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e66554e73f7d40a61ab4957cef2de64b
https://doi.org/10.1017/s0074180900140689
https://doi.org/10.1017/s0074180900140689