Transcript Detector Systems for the MODS Spectrographs

Detector Systems for the
MODS Spectrographs
SDW 2005
MODS?
Two dual channel spectrographs for LBT
 Dichroic split at 5000 Angstroms
 R=2000 to 16,000
 Multi-Slits
 6 x 6 arc-min field

8192 x 2880 CCD
RD
RG
RD
RG
DD
A A A
3 2 1
A A A A A
5 4 3 2 1
A A A A A
5 4 3 2 1
A A A A A A
5 4 3 2 3 1
A A A A A
5 4 3 2 1
A A A A A
5 4 3 2 1
A A A A A
5 4 3 2 1
A A A A A A
5 4 3 2 3 1
A A A A A A A A A A A A A A A A A A A
5 4 3 3 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1
A A A A A A A A A A A A A A A A A A A
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 3 3 4 5
A A A A A A
1 3 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A A
1 3 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A
1 2 3 4 5
A A A
1 2 3
DD
OD
OD
NW
OS8
NW
OS7
NW
OS6
NW
OS5
NW
OS4
NW
OS3
NW
OS2
NE
OS1
NW
OS1
4096 Cols.
4096 Cols.
NE
OS3
NE
OS4
NWOD
N N N N N N
WWWWWW
3 2 1 3 2 1
N N N N N N N N N N N N
WWWWWWWWWWWW
3 2 1 3 2 1 3 2 1 3 2 1
NWOS
NWRG
N N N N N N N N N N N N
WWWWWW E E E E E E
3 2 1 3 2 1 3 2 1 3 2 1
NE
OS5
NE
OS6
NE
OS7
NE
OS8
16 Cols.
}
}
}
}
16 Cols.
NE
OS2
N N N N N N N N N N N N
E E E E E E E E E E E E
3 2 1 3 2 1 3 2 1 3 2 1
WA3
WA2
WA1
WA3
WA2
WA1
WA3EA3
WA2EA2
WA1EA1
WA3EA3
WA2EA2
WA1EA1
EA3
EA2
EA1
EA3
EA2
EA1
WA3
WA2
WA1
WA3
WA2
WA1
WB3
WB2
WB1
WB3
WB2
WB1
WA3EA3
WA2EA2
WA1EA1
WA3EA3
WA2EA2
WA1EA1
WB3EB3
WB2EB2
WB1EB1
WB3EB3
WB2EB2
WB1EB1
EA3
EA2
EA1
EA3
EA2
EA1
EB3
EB2
EB1
EB3
EB2
EB1
WB3
WB2
WB1
WB3
WB2
WB1
WC3
WC2
WC1
WC3
WC2
WC1
WB3EB3
WB2EB2
WB1EB1
WB3EB3
WB2EB2
WB1EB1
WC3EC3
WC2EC2
WC1EC1
WC3EC3
WC2EC2
WC1EC1
EB3
EB2
EB1
EB3
EB2
EB1
EC3
EC2
EC1
EC3
EC2
EC1
WC3
WC2
WC1
WC3
WC2
WC1
WD3
WD2
WD1
WD3
WD2
WD1
WC3EC3
WC2EC2
WC1EC1
WC3EC3
WC2EC2
WC1EC1
WD3ED3
WD2ED2
WD1ED1
WD3ED3
WD2ED2
WD1ED1
EC3
EC2
EC1
EC3
EC2
EC1
ED3
ED2
ED1
ED3
ED2
ED1
WD3
WD2
WD1
WD3
WD2
WD1
WD3ED3
WD2ED2
WD1ED1
WD3ED3
WD2ED2
WD1ED1
ED3
ED2
ED1
ED3
ED2
ED1
NEOD
N N N N N N
E E E E E E
3 2 1 3 2 1
NEOS
}
}
}
}
NERG
770 Rows
NWRD
NWOG
NWOSW
NERD
NEOG
NEOSW
770 Rows
MODS ccd
ver 2.2
770 Rows
SWOSW
SWOG
SWRD
SWOD
S S S S S S
WWWWWW
3 1 2 3 1 2
SWOS
S S S S S S S S S S S S
WWWWWWWWWWWW
3 1 2 3 1 2 3 1 2 3 1 2
16 Cols.
RD
RG
A A A
3 2 1
A A A A A
5 4 3 2 1
A A A A A
5 4 3 2 1
A A A A A A
5 4 3 2 3 1
SEOG
SERD
770 Rows
SWRG
DD
SEOSW
A A A A A
5 4 3 2 1
A A A A A
5 4 3 2 1
A A A A A
5 4 3 2 1
A A A A A A
5 4 3 2 3 1
S S S S S S S S S S S S
WWWWWW E E E E E E
3 1 2 3 1 2 3 1 2 3 1 2
4096 Cols.
A A A A A A A A A A A A A A A A A A A
5 4 3 3 3 2 1 3 2 1 3 2 1 3 2 1 3 2 1
S S S S S S S S S S S S
E E E E E E E E E E E E
3 1 2 3 1 2 3 1 2 3 1 2
4096 Cols.
SERG
SEOD
S S S S S S
E E E E E E
3 1 2 3 1 2
SEOS
16 Cols.
A A A A A A A A A A A A A A A A A A A
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 3 3 4 5
A A A A A A
1 3 2 3 4 5
RD
RG
A A A A A
1 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A A
1 3 2 3 4 5
A A A A A
1 2 3 4 5
A A A A A
1 2 3 4 5
A A A
1 2 3
DD
OD
OD
SW
OS8
SW
OS7
SW
OS6
SW
OS5
SW
OS4
SW
OS3
SW
OS2
SW
OS1
SE
OS1
SE
OS2
SE
OS3
SE
OS4
SE
OS5
SE
OS6
SE
OS7
SE
OS8