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Advanced Camera for Surveys Instrument Handbook for Cycle 22 > Chapter 3: Introduction to ACS > 3.5 ACS Quick Reference Guide

3.5
 
Please check for updates on the ACS website. Information regarding the HRC is provided for archival purposes only.
Table 3.1: Instrument characteristics.
202" 202"
29" 26"
34.6" 30.8"
~0.05 0.050"/pixel
~0.028 0.025"/pixel
~0.034 0.030"/pixel
15 15 μm
21 21 μm
25 25 μm
2 2048 4096 pixels
1024 1024 pixel
1024 1024 pixel
0.0062 e/s/pixel
0.0058 e/s/pixel
1.241 10−5 e/s/pixel
1Detector count rate linearity limit: 200,000 counts/sec
Operating Temperature2
81C
80C
1
Loss of linearity occurs at count rates larger than these values. For more information, please see Section 4.5.6.
2
Average value for WFC1 and WFC2

Table 3.2: Calibration accuracies.
Guide Star Catalog uncertainties2
20  grism
12  grism
1
Anderson & King, ISR 04-15 (http://www.stsci.edu/hst/acs/documents/isrs/isr0415.pdf)
2
Koekemoer et al., ISR 05-06 (http://www.stsci.edu/hst/acs/documents/isrs/isr0506.pdf)

Table 3.3: ACS filters.
Hα (2%), [OIII] (1%), [NII] (1%): F658N, F502N, F660N
NeV (3440 ): F344N
Methane (8920 ): F892N
2% bandpass (3700-10,700 ): FR388N, FR505N, FR656N
2% bandpass (3700-10,700 ): FR423N, FR462N, FR716N, FR782N, FR853N, FR931N, FR1016N, FR551N, FR601N
9% bandpass (3700-10,700 ): FR459M, FR914M
Visible (0, 60,120): POL0V, POL60V, POL120V
HRC/[WFC1]
Near-UV (0, 60, 120): POL0UV, POL60UV, POL120UV
1
Limited field of view (72" x 72") for these filters using WFC

Table 3.4: ACS polarizers.
Hα
Table 3.5: ACS dispersers.
 

Advanced Camera for Surveys Instrument Handbook for Cycle 22 > Chapter 3: Introduction to ACS > 3.5 ACS Quick Reference Guide

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