پديد آورنده :
جوادي زاده، مريم
عنوان :
آشكارسازي و مشخصه‌يابي ديسك‌هاي پيش‌سياره‌اي به كمك ماهواره‌ي WFIRST
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
ذرات بنيادي
محل تحصيل :
اصفهان : دانشگاه صنعتي اصفهان
صفحه شمار :
هفده، 86ص.: مصور، جدول، نمودار
استاد راهنما :
صديقه سجاديان
توصيفگر ها :
رويداد‌هاي ريزهمگرايي گرانشي , ديسك‌هاي پيش‌سياره‌اي , ماهواره‌ي WFIRST
استاد داور :
بهروز ميرزا، احمد شيرزاد
تاريخ ورود اطلاعات :
1398/07/15
تاريخ ويرايش اطلاعات :
1398/07/15
چكيده انگليسي :
AbstractIn this thesis we rst explain the gravitational lensing and microlensing en we study the circumsrtellar disks In order to investigate the e ect of disks onthe microlensing light curves we consider the protoplanetary disks as the mostsuitable candidate around the Galactic bulge source stars whi are lensed Weaim to 1 study the e ect of circumstellar disks on microlensing light curves andthen 2 estimate the detectability of su disks through photometry observation ofmicrolensing events via W F IRST satellite It will start working in near futureand will observer the Galactic bulge in 6 72 day seasons with the cadence around30 minutes In the apter 5 we explained how to simulate the proto planetarydisks in microlensing events and then studied how microlensing light curve areperturbed due to the existence of disks We nally did a simulation for a big en semble of microelnsing events and found that for 16 percent of simulated eventsthe photometry signals of disks is higher than 5 whi is detectable though nowa days telescopes Key words gravitational microlensing protoplanetary disk W F IRST
استاد راهنما :
صديقه سجاديان
استاد داور :
بهروز ميرزا، احمد شيرزاد
