the image (marked). The three other sources seen in Fig. 2 are much fainter in this energy range and not visible.[永久失效連結] The micro quasar GRS 1915+105
XID II: STATISTICAL CROSS-ASSOCIATION OF ROSAT BRIGHTSOURCE CATALOG X-RAY SOURCES WITH 2MASS POINT SOURCE CATALOG NEAR-INFRARED SOURCES. The Astrophysical