supported by the National Natural Science Foundation of China (Grant Nos. 10903007, 10778716and 10878012)
We present an XMM-Newton observation of the eclipsing binary Algol which contains an X-ray dark B8V primary and an X-ray bright K2IV secondary. The observation covered the optical secondary eclipse and captured an X-r...
Supported by the NSF of USA (Grant No. AST-0707866);the National Natural Science Foundation of China (Grant No. 10878012);the Outstanding Overseas Young Chinese Scholarship, and the Laboratory of Particle Astrophysics, Institute of High Energy Physics, CASS
The diffuse interstellar bands(DIBs) are a large number of absorption bands that are superposed on the interstellar extinction curve and are of interstellar origin. Since the discovery of the first two DIBs in the 192...