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ESA Portal - Information Notes - Europe's space camera unmasks a cosmic gamma-ray machine (1268 words) |
 | The European Space Agency's Faint Object Camera in the Hubble Space Telescope has identified a neutron star, the smallest and densest type of star that exists, lying approximately 3000 light-years away in the southern sky. |
| The Faint Object Camera found Pulsar 1055-52 in near ultraviolet light at 3400 angstroms, a little shorter in wavelength than the violet light at the extremity of the human visual range. |
| Note to editors: An image is available of (i) PSR 1055-52 seen by ESA's Faint Object Camera in the Hubble Space Telescope, and (ii) the same region of the sky seen by the European Southern Observatory's New Technology Telescope, with the position of PSR 1055-52 indicated. |
| The European Homepage For The NASA/ESA Hubble Space Telescope - FOC (169 words) |
| It is an optical and ultraviolet camera which is able to count the individual rays of light (or light particles/photons) as they arrive. |
| FOC has two complete detector systems, each producing an image on a phosphor screen that is 100,000 times brighter than the light received. |
| This television camera is so sensitive that objects brighter than 21st magnitude must be dimmed by the camera's filter systems to avoid saturating the detectors. |
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