11Multi-Object Double Spectrographs for the Large Binocular TelescopeAstronomy 890 Sp08MODS2Project TimelineMODS White Paper to LBTPO: July 1998MODS Proposal to LBT Corp Board: October 1998Conceptual Design Review: March 1999NSF ATI Grant: July 2000 ($1.8M)Preliminary Design Review: September 2001LBTO Progress Review: April 2004TSIP Grant: July 2004 ($2.4M)LBTO/TSIP Review: March 2005MODS1 Deployment: March 2009 (tent.)MODS2 Deployment: March 2010 (tent.)3MODS LayoutMulti-Object Double Spectrograph• UV-to-IR: 320-1000nm•Dichroic split @ 570nm•Common Focal PlaneEach Red & Blue Channel has:•Reflective Collimator•4-position Grating Turret• f/3 decentered Maksutov-Schmidt camera with 8 filters• 3K×8K 15μm pixel CCD4And, there are two...5MODS1MODS26Optical LayoutCollimatorsRedCameraBlueCameraRedDisperserBlueDisperserDichroicCameraCorrector
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