Tools and Status
The Advanced Camera for Surveys (ACS) is a third-generation Hubble Space Telescope (HST) instrument installed in March 2002 during HST Servicing Mission 3B. The ACS CCD Electronics Box and Low Voltage Power Supply incrementally failed in June 2006 and January 2007, causing the loss of the ACS Wide Field Channel (WFC) and High Resolution Channel (HRC).
The replacement components (CEB-R and LVPS-R) installed on 16 May 2009 during HST Servicing Mission 4 (SM4), successfully restored the function of the WFC but not that of the HRC. Consequently, only the WFC and the Solar Blind Channel (SBC) are available to observers.
HRC is not operational.
SBC is operating nominally.
WFC is operating nominally.
Web Tools and Helpful Links
ACS Instrument Resources
Recently Published ISRs
Most Recent ISRs
(ACS ISR 2020-07) Unusual Horizontal Charge Overflow from Saturated CCD Pixels in the ACS WFC: Discovery and Remediation
(ACS ISR 2020-06) Validation of Reduced Operate Anneal Mode in the Advanced Camera for Surveys Wide Field Channel
(ACS ISR 2019-07) Advice for Planning ACS Observations
(ACS ISR 2020-05) Anneal Efficacy in the Advanced Camera for Surveys Wide Field Channel
Recently Published STANs
Filter ACS STANs
ACS STAN October 2019
ACS Software Updates
- Released April 10, 2020
- Programmatic interface for ACS Photometric CTE released
acsphotctemodule to query ACS Photometric CTE Calculator
- Removed Python 2 support
- Documentation updates
- Released on September 30, 2019
CALACS updated to Version 10.2.1