Astronomers using NASA's Chandra X-ray Observatory announce a fundamental discovery about black holes.
Audio of the event will be streamed live on the Web at: www.nasa.gov/newsaudio
Panelists:
Dr. Steve Allen, Assistant Professor of Physics, Stanford University and the Stanford Linear Accelerator Center
Dr. Chris Reynolds, Associate Professor of Astronomy at the University of Maryland, College Park
Dr. Kim Weaver, Associate Director for Science of the Exploration of the Universe Division, NASA's Goddard Space Flight Center
Graphics
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Fuel for the Black Hole Engine (Illustration):
labeled: (jpg | tif)
unlabeled: (jpg | tif)
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Close-up of Black Hole Engine (Illustration): (jpg | tif)
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Centaurus, Chandra X-ray: labeled: jpeg unlabeled: jpeg | tiff
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Giant Cavities Caused by Black Hole Engine (Illustration): (jpg | tif)
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Black Hole Accretion disk/jet animation: mpg | mov
Supplementary Figures
Centaurus, X-ray/Radio/IR composite: jpeg | tiff
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9-panel of galaxies, Chandra X-ray: jpeg | Labeled Version: jpeg
Centaurus, X-ray/Radio: jpeg | tif
Factoids
- Full Author List: Steve Allen (KIPAC, Stanford), Robert Dunn
(Cambridge), Andy Fabian (Cambridge), Greg Taylor (Univ. of Mexico), Chris
Reynolds (Univ. of Maryland).
galaxy |
distance (light years) |
black hole mass (solar masses) |
NGC 507 |
232 million |
0.8 billion |
NGC 4374 |
55 million |
0.6 billion |
NGC 4472 |
55 million |
0.7 billion |
NGC 4486 |
55 million |
3.0 billion |
NGC 4552 |
55 million |
0.4 billion |
NGC 4636 |
55 million |
0.2 billion |
NGC 4696 |
146 million |
0.4 billion |
NGC 5846 |
80 million |
0.4 billion |
NGC 6166 |
442 million |
0.8 billion |
Links
Instant Replay Plus Information:
An instant replay of the media telecon will be available after the end of the telecon. Call: 800-219-6387 (toll free). This service will be available until 10:59 PM (CT) MAY-01-06.
NASA-TV Video File:
A video file about the discovery will air on NASA TV on April 24. NASA TV is carried on an MPEG-2 digital signal accessed via satellite AMC-6, at 72 degrees west longitude, transponder 17C, 4040 MHz, vertical polarization. It's available in Alaska and Hawaii on AMC-7 at 137 degrees west longitude, transponder 18C, at 4060 MHz, horizontal polarization.
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