1. Ultraluminous X-ray Source in starburst galaxy M82 X-Ray Data Analysis Workshop Presentation Feb. 7, 2007 謝佩穎 林凱楊 呂雅瀾 吳秉勳 楊怡蓉

2. Data analysis Data lists Data lists Time ID Exposure time 1999/09 361 33.68ks 2002/06 2933 18.25ks 2005/05 6097 58.19ks 2005/08 5644 75.13ks Procedures Procedures Retrieve data Retrieve data Extract Light curve Extract Light curve Construct Energy spectrum Construct Energy spectrum Fit spectrum with absorbed power law & calculate flux Fit spectrum with absorbed power law & calculate flux

3. Our PI : Tod Strohmayer

4. Data analysis M82 X-1 2005/08

5. Light curves 19992002

6. Light Curves 2005/052005/08

7. Different background

8. spectrum

9. BONUS!! 1999 33.68ks 2000 9.05ks

10. New source Light curve Background including diffused emissionBackground excluding diffused emission

11. Energy Spectrum of New Source With less diffused emission background source

12. Energy spectrum of new source With diffused emission background source