10.5.5 ACS SBC Spectral Elements

There are many spectral elements (filters and prisms) allowed for HST's ACS/SBC. This article provides a list of those spectral elements for the Astronomer's Proposal Tool (APT).

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Table 10.7: Spectral Elements for use with the ACS/SBC Configuration

WheelPositionNameDescription

3

2

F115LP

MgF2

3

3

F125LP

CaF2

3

5

F140LP

BaF2

3

6

F150LP

crystal quartz

3

8

F165LP

Suprasil

3

9

F122M

Ly-a

3

11

PR130L

CaF2 PRISM

3

12

PR110L

LiF2 PRISM

Related Links

10.5.1 ACS WFC Spectral Elements
10.5.2 ACS WFC Permitted Filter Combinations
10.5.3 ACS WFC Ramp Filter Ranges
10.5.4 ACS WFC Allowed Combinations of Aperture, Spectral Element, and Readout
10.5.6 ACS Aperture Coordinate System




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