OSIRIS Rectification Matrices

Background

The OSIRIS Data Reduction Pipeline (DRP) converts raw 2-d images into 3-d datacubes via rectification matrices (recmats). Recmats are created by combining 30 (broadband) or 62 (narrowband) calibration scans that illuminate a single column of lenslets.

We analyze the raw scans and finished recmats to ensure observers can trust the output of the DRP.

Links

Rectification Matrices
FITS files used with the DRP
Calibration Scan Analysis
Measurement of even illumination in raw calibration files
Recmat Analysis
Measurement of well-centered spectral extraction
Last modified: 03/22/2013 02:03
Send questions or comments to:OSIRIS Support

The information on this page is the property of the W. M. Keck Observatory. The contents of this page or any part thereof shall not be copied or otherwise reproduced or transferred to other documents or used or disclosed to others for any purpose other than observing support at the W. M. Keck Observatory and the subsequent analysis and publication of scientific data obtained from observations conducted at the W. M. Keck Observatory. All rights reserved. © W. M. Keck Observatory.