1. Brian McLeod Smithsonian Astrophysical Observatory
MMT Megacam
Brian McLeod
Smithsonian Astrophysical Observatory

2. Basic Parameters 36 2048x4608 13.5micron pixels (e2v ccd42-90)
0.08”/pixel, currently binned by 2 to 0.16”
200kps through 72 amplifiers
2 additional ccd42-90s for guiding/focus
SAO-built controller by John Geary

5. Megacam as seen at SDW2002

10. CCD SIMULATOR TEST BOX
SCOPE CONNECTIONS

11. 300mmx300mm
Sloan-r filter
by Sagem

14. Megacam Performance Gain: 3-4 e-/ADU Read noise: 4-5e- at 200kHz
CCD Temps: -115C to -130C depending on focal plane location
Some large scale flat fielding errors

16. Image Quality
FWHM
(ARCSEC)
PIXEL POSITION

17. Astrometry Error relative to 2Mass catalog: 0.16” Dec Err (”) RA Err

18. NGC6791
r-band 120s
J. Hartman
et al.
astro-ph/