Sökning: onr:"swepub:oai:DiVA.org:hik-2835" > DISCOVERY OF PULSED...
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000 | 09033naa a2202461 4500 | |
001 | oai:DiVA.org:hik-2835 | |
003 | SwePub | |
008 | 100223s2009 | |||||||||||000 ||eng| | |
009 | oai:DiVA.org:kth-32189 | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:hik:diva-28352 URI |
024 | 7 | a https://doi.org/10.1088/0004-637X/695/1/L722 DOI |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-321892 URI |
040 | a (SwePub)lnud (SwePub)kth | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Abdo, A. A.4 aut |
245 | 1 0 | a DISCOVERY OF PULSED gamma-RAYS FROM THE YOUNG RADIO PULSAR PSR J1028-5819 WITH THE FERMI LARGE AREA TELESCOPE |
264 | 1 | c 2009 |
338 | a print2 rdacarrier | |
500 | a QC 20110408 | |
520 | a Radio pulsar PSR J1028-5819 was recently discovered in a high-frequency search (at 3.1 GHz) in the error circle of the Energetic Gamma-Ray Experiment Telescope (EGRET) source 3EG J1027-5817. The spin-down power of this young pulsar is great enough to make it very likely the counterpart for the EGRET source. We report here the discovery of gamma-ray pulsations from PSR J1028-5819 in early observations by the Large Area Telescope (LAT) on the Fermi Gamma-Ray Space Telescope. The gamma-ray light curve shows two sharp peaks having phase separation of 0.460 +/- 0.004, trailing the very narrow radio pulse by 0.200 +/- 0.003 in phase, very similar to that of other known gamma-ray pulsars. The measured gamma-ray flux gives an efficiency for the pulsar of similar to 10-20% (for outer magnetosphere beam models). No evidence of a surrounding pulsar wind nebula is seen in the current Fermi data but limits on associated emission are weak because the source lies in a crowded region with high background emission. However, the improved angular resolution afforded by the LAT enables the disentanglement of the previous COS-B and EGRET source detections into at least two distinct sources, one of which is now identified as PSR J1028-5819. | |
650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
653 | a Physics | |
653 | a Fysik | |
653 | a pulsars: general | |
653 | a Astronomy and astrophysics | |
700 | 1 | a Ackermann, M.4 aut |
700 | 1 | a Atwood, W. B.4 aut |
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700 | 1 | a Ylinen, T.u Högskolan i Kalmar,Naturvetenskapliga institutionen4 aut0 (Swepub:lnu)eylto |
700 | 1 | a Thayer, J. B.4 aut |
700 | 1 | a Thayer, J. G.4 aut |
700 | 1 | a Thompson, D. J.4 aut |
700 | 1 | a Thorsett, S. E.4 aut |
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700 | 1 | a Waite, A. P.4 aut |
700 | 1 | a Watters, K.4 aut |
700 | 1 | a Wood, K. S.4 aut |
700 | 1 | a Ylinen, T.u KTH,Högskolan i Kalmar,Naturvetenskapliga institutionen,Partikel- och astropartikelfysik4 aut0 (Swepub:kth)u1vmovqg |
700 | 1 | a Ziegler, M.4 aut |
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710 | 2 | a KTHb Partikel- och astropartikelfysik4 org |
773 | 0 | t Astrophysical Journal Lettersg 695:1, s. L72-L77q 695:1<L72-L77x 2041-8205 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:hik:diva-2835 |
856 | 4 8 | u https://doi.org/10.1088/0004-637X/695/1/L72 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-32189 |
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