WASHINGTON, Feb. 25, 2013 /PRNewswire-USNewswire/ -- NASA will host a news teleconference at 1 p.m. EST, Wednesday, Feb. 27, to announce black hole observations from its newest X-ray telescope, the Nuclear Spectroscopic Telescope Array (NuSTAR), and the European Space Agency's XMM-Newton X-ray telescope.

(Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO [1])

The briefing participants are:

-- Fiona Harrison, NuSTAR principal investigator, California Institute of Technology, Pasadena, Calif.

-- Guido Risaliti, astronomer, Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass.

-- Arvind Parmar, head of Astrophysics and Fundamental Physics Missions Division, European Space Agency

For dial-in information, media representatives should e-mail their name, affiliation and telephone number to J.D. Harrington at j.d.harrington@nasa.gov by noon Feb. 27.

Visuals will be posted at the start of the teleconference on NASA's NuSTAR site:

http://www.nasa.gov/nustar [2]

Audio of the teleconference will be streamed live on NASA's website at:

http://www.nasa.gov/newsaudio [3]

Audio and visuals will be streamed live online at:

http://www.ustream.tv/nasajpl2 [4]

For more information about the European Space Agency's XMM-Newton X-ray telescope, visit:

http://www.esa.int/Our_Activities/Space_Science/XMM-Newton_overview [5]

SOURCE NASA