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Jan. 30th, 2007 11:54 pm![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
occuserpensWilliam Atkins. Hubble's Advanced Camera for Surveys (ACS) stops working
The nearly five-year-old Advanced Camera for Surveys (ACS) onboard the Hubble Space Telescope shut down at about 7:34 a.m. EST on Saturday, January 27, 2007, after a short circuit in the electrical system. This failure caused Hubble to go into ‘safe mode’. At about 2:00 a.m. on Sunday, one day later, the remaining Hubble instruments resumed their normal operations without ACS.
The ACS was designed by scientists at The Johns Hopkins University to take optical images of large sections of the sky. It is the primary imaging instrument aboard Hubble because of its ability to provide very sensitive and wide-ranging views - ranging from the Earth’s solar system to the most distant objects in the universe. The ACS observes celestial bodies with three electronic cameras along with filters and dispersers that independently observe between the ultraviolet and near-infrared regions of the electromagnetic spectrum: 115 to 1,100 nanometers (1,150 to 11,000 angstroms). The solar blind camera (SBC) covers from 1,150 to 1,700 angstroms, the high resolution camera (HRC) covers 2,000 to 11,000 angstroms, and the wide field camera (WFC) covers between 3,700 and 11,000 angstroms.
The nearly five-year-old Advanced Camera for Surveys (ACS) onboard the Hubble Space Telescope shut down at about 7:34 a.m. EST on Saturday, January 27, 2007, after a short circuit in the electrical system. This failure caused Hubble to go into ‘safe mode’. At about 2:00 a.m. on Sunday, one day later, the remaining Hubble instruments resumed their normal operations without ACS.
The ACS was designed by scientists at The Johns Hopkins University to take optical images of large sections of the sky. It is the primary imaging instrument aboard Hubble because of its ability to provide very sensitive and wide-ranging views - ranging from the Earth’s solar system to the most distant objects in the universe. The ACS observes celestial bodies with three electronic cameras along with filters and dispersers that independently observe between the ultraviolet and near-infrared regions of the electromagnetic spectrum: 115 to 1,100 nanometers (1,150 to 11,000 angstroms). The solar blind camera (SBC) covers from 1,150 to 1,700 angstroms, the high resolution camera (HRC) covers 2,000 to 11,000 angstroms, and the wide field camera (WFC) covers between 3,700 and 11,000 angstroms.
