MODS Slit Masks

The table below lists the slit masks loaded into the MODS1 and MODS2 slit mask cassettes. The slits may be selected by the maskID code listed (selection by cassette position number is deprecated).

Facility masks are in the reserved positions 1 thru 12. Observer-designed custom masks are loaded in positions 13 thru 24.

Cassette	MODS1		MODS2
Pos	maskID	Description	maskID	Description
1	DarkMask	Blank Mask for a Dark Block	DarkMask	Blank Mask for a Dark Block
2	SieveMask	Pinhole Imaging Sieve Nr3	SieveMask	Pinhole Imaging Sieve Nr3
3	Imaging	Empty Frame for Imaging Stop	Imaging	Empty Frame for Imaging Stop
4	LS5x60x0.3	0.3 arcsec Segmented Long Slit	LS5x60x0.3	0.3 arcsec Segmented Long Slit
5	LS5x60x0.6	0.6 arcsec Segmented Long Slit	LS5x60x0.6	0.6 arcsec Segmented Long Slit
6	LS5x60x0.8	0.8 arcsec Segmented Long Slit	LS5x60x0.8	0.8 arcsec Segmented Long Slit
7	LS5x60x1.0	1.0 arcsec Segmented Long Slit	LS5x60x1.0	1.0 arcsec Segmented Long Slit
8	LS5x60x1.2	1.2 arcsec Segmented Long Slit	LS5x60x1.2	1.2 arcsec Segmented Long Slit
9	LS60x5	5 arcsec Spectrophotometry Wide Slit	LS60x5	5 arcsec Spectrophotometry Wide Slit
10	PinholeSlit	Pinhole Slit	PinholeSlit	Pinhole Slit
11	Pointing Mask	MODS Pointing Mask	Pointing Mask	MODS Pointing Mask
12	LS5x60x2.4	2.4 arcsec Segmented Long Slit	LS5x60x2.4	2.4 arcsec Segmented Long Slit
13
14
15
16
17
18
19
20
21
22
23	ID 521532	mods.24.GALAXIE.mms	ID 521532	mods.24.GALAXIE.mms
24	ID 551224	mods.26.GALAXIE.mms	ID 551224	mods.26.GALAXIE.mms