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SUMMARY:Observations of a systematic selected sample of X-ray bright HBL o
 bjects with the MAGIC telescope
DTSTART;VALUE=DATE-TIME:20070709T134200Z
DTEND;VALUE=DATE-TIME:20070709T135400Z
DTSTAMP;VALUE=DATE-TIME:20260614T223618Z
UID:indico-contribution-657@cern.ch
DESCRIPTION:Speakers: Mr. MEYER\, Markus (Institut fuer Theoretische Physi
 k und Astrophysik\, Universitaet Wuerzburg)\nUp to now\, nearly all the de
 tected extragalactic VHE gamma-ray sources belong to the\nclass of high-fr
 equency peaked BL Lac objects (HBL)\, which show a pronounced peak in\nthe
  hard X-ray band. All detected VHE sources show a comparable luminosity at
  TeV\nenergies. \nMAGIC has started a systematic scan on X-ray bright HBL 
 objects in the northern sky\nduring its cycle1 observations from January 2
 005 to March 2006. Following the blazar\ncompilation by Donato et al. (200
 1)\, 13 HBLs were selected with the criteria of low\nredshift (< 0.3)\, hi
 gh X-ray flux (F(1keV) > 2uJy) and visibility under small zenith\ndistance
 s (< 30deg at culmination\, leading to sources with a declination between 
 -2\nand +58). \nIn that campaign 1ES 1218+30.4 was discovered and 1ES 2344
 +51.4 was detected in a low\nflux state with high significance. For anothe
 r 10 sources upper limits on the\nintegral flux above ~200GeV will be pres
 ented at the conference.\n\nhttps://indico.nucleares.unam.mx/event/4/sessi
 on/96/contribution/657
LOCATION:Merida\, Mexico Uxmal + Tulum (Holiday Inn)
URL:https://indico.nucleares.unam.mx/event/4/session/96/contribution/657
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