????:1?????????:?????????

2????????

3??????????

4??????????

5???????????

???12????18?? (?????? ????)????????????????«??-????????»?,???,????????????????????,????????????

?????????????(?:??Stéphane Guisard)

?????,????????????,???????????A*(Sagittarius A*)????????????????????

???,?????A*???????,?????????S???????(S-cluster)??????????????????S????????????????????????????,?????????,???A*???????????,????????????

????????(?????:???F. Peißker et al.)

?????????,????????????Florian Peißker?,??,???????????S??????????????????????D9,???????????????????D9a????D9b???,????????????,??????270??????,?????????????S???

?,?????S????????,??????,?????????????

????????D9???????????,????????A*????????(????????????F. Peißker et al., S. Guisard)

???????,??????????????????D9???????,????????????????????S?????????,??100??????????????A*???(?????????)

???????:???