Detection of hot gas in the filament connecting the clusters of galaxies Abell 222 and Abell 223
Norbert WernerSRON Netherlands Institute for Space Research, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands e-mail: [email protected]A. FinoguenovMax-Planck-Institut für Extraterrestrische Physik, 85748 Garching, GermanyJ. S. KaastraAstronomical Institute, Utrecht University, PO Box 80000, 3508 TA Utrecht, The NetherlandsA. SimionescuMax-Planck-Institut für Extraterrestrische Physik, 85748 Garching, GermanyJ. P. DietrichJacco VinkAstronomical Institute, Utrecht University, PO Box 80000, 3508 TA Utrecht, The NetherlandsH. BöhringerMax-Planck-Institut für Extraterrestrische Physik, 85748 Garching, Germany
2008en
ABI
Annotatsiya
Context. About half of the baryons in the local Universe are invisible and – according to simulations – their dominant fraction resides in filaments connecting clusters of galaxies in the form of low density gas with temperatures in the range of 105 < T < 107 K. This warm-hot intergalactic medium has never been detected indisputably using X-ray observations.
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