?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Multiwavelength+campaign+on+Mrk+509%3A+testing+realistic+comptonization+models&rft.creator=Branduardi+Raymont%2C+G&rft.creator=Petrucci%2C+PO&rft.creator=Paltani%2C+S&rft.creator=Malzac%2C+J&rft.creator=Kaastra%2C+J&rft.creator=Cappi%2C+M&rft.creator=Ponti%2C+G&rft.creator=de+Marco%2C+B&rft.creator=Kriss%2C+G&rft.creator=Steenbrugge%2C+K&rft.creator=Bianchi%2C+S&rft.creator=Mehdipour%2C+M&rft.creator=Costantini%2C+E&rft.creator=Dadina%2C+M&rft.creator=Lubinski%2C+P&rft.description=Mrk+509+was+observed+by+XMM-Newton+and+INTEGRAL+in+October%2FNovember+2009%2C+with+one+observation+every+four+days+for+a+total+of+ten+observations.+Each+observation+has+been+fitted+with+a+realistic+thermal+Comptonization+model+for+the+continuum+emission.+Prompted+by+the+correlation+between+the+UV+and+soft+X-ray+flux%2C+we+used+a+thermal+Comptonization+component+for+the+soft+X-ray+excess.+The+UV+to+X-ray%2Fgamma-ray+emission+of+Mrk+509+can+be+well+fitted+by+these+components%2C+pointing+to+the+existence+of+a+hot+(kT+%E2%88%BC+100+keV)%2C+optically-thin+(%CF%84+%E2%88%BC+0.5)+corona+producing+the+primary+continuum.+In+contrast%2C+the+soft+X-ray+component+requires+a+warm+(kT+%E2%88%BC+1+keV)%2C+optically-thick+(%CF%84+%E2%88%BC+10-20)+plasma.+Estimates+of+the+amplification+ratio+for+this+warm+plasma+support+a+configuration+relatively+close+to+the+%E2%80%9Ctheoretical%E2%80%9D+configuration+of+a+slab+corona+above+a+passive+disk.+This+plasma+could+be+the+warm+upper+layer+of+the+accretion+disk.+In+contrast%2C+the+hot+corona+has+a+more+photon-starved+geometry.+The+high+temperature+(%E2%88%BC+100+eV)+of+the+soft-photon+field+entering+and+cooling+it+favors+a+localization+of+the+hot+corona+in+the+inner+flow.+This+soft-photon+field+could+be+part+of+the+comptonized+emission+produced+by+the+warm+plasma.&rft.date=2012&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+'An+INTEGRAL+view+of+the+high-energy+sky+(the+first+10+years)'+-+9th+INTEGRAL+Workshop+and+celebration+of+the+10th+anniversary+of+the+launch+(INTEGRAL+2012).++(pp.+-).+++(2012)+++++&rft.format=application%2Fpdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1420273%2F1%2FINTEGRAL%25202012_063.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1420273%2F&rft.rights=open