INTEGRAL hard X-ray detection of HMXB GX 304-1 and H1417-624

A. Manousakis, V. Beckmann*, V. Bianchin, S. Brandt, J. Chenevez, W. Hermsen, A. von Kienlin, R. Krivonos, M. Mas-Hesse,, A. Parmar, V. Reglero

*Corresponding author for this work

    Research output: Other contributionNet publication - Internet publicationResearch


    We report on the first detection of the Be star HMXBs GX 304-1 and H1417-624 above 20 keV with the IBIS/ISGRI X-ray imager on board INTEGRAL. From 2008-06-24 to 2008-07-09, INTEGRAL performed monitoring observations of the Galactic plane around l=305 degrees for a total exposure time of 352 ksec. GX 304-1 was detected in all spacecraft revolutions, and shows brightening with time. H 1417-624 was detected only in revolution 699 and 700 (2008-07-04 to 2008-07-09).
    Original languageEnglish
    Publication date10 Jul 2008
    Publication statusPublished - 10 Jul 2008
    SeriesThe Astronomer's telegram
    NumberATel #1613


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