Gravitational lens helps Chandra find rare type of black hole.

0 Comments | M2 Presswire, March, 2000

M2 PRESSWIRE-21 March 2000-NASA: Gravitational lens helps Chandra find rare type of black hole (C)1994-2000 M2 COMMUNICATIONS LTD RDATE:20032000 A team of astronomers from England and France have reported strong evidence for the existence of a rare type of black hole, called a Type 2 quasar.

Using NASA's Chandra X-ray Observatory, they have discovered a powerful source of X rays that appears to be a giant black hole hidden from optical telescopes by a veil of obscuring material. The latest discovery comes from a team led by British astronomers Andrew Fabian of the Institute of Astronomy in Cambridge and Ian Smail of the University of Durham. They used Chandra, NASA's Hubble Space Telescope, and the James Clerk Maxwell submillimeter telescope on...