1 / 20

MMT Megacam

MMT Megacam. Brian McLeod Smithsonian Astrophysical Observatory. 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.

kirti
Télécharger la présentation

MMT Megacam

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 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

  3. Megacam as seen at SDW2002

  4. CCD SIMULATOR TEST BOX SCOPECONNECTIONS

  5. 300mmx300mm Sloan-r filter by Sagem

  6. 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

  7. Image Quality FWHM (ARCSEC) PIXEL POSITION

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

  9. NGC6791 r-band 120s J. Hartman et al. astro-ph/ 0504487

More Related