'Bad pixels' presentation slideshows

Beating Noise Observational Techniques

Beating Noise Observational Techniques. ASTR 3010 Lecture 11 Textbook. From previous classes. We learned that in the astronomical data pre-processing, bias subtraction, dark subtraction, flat-fielding, bad pixel correction, cosmic ray hits removal are important.

418 views • 32 slides

Pre-Processing of CCD Data

Pre-Processing of CCD Data. ASTR 3010 Lecture 9 Textbook Chap 9. Raw CCD images. Nearly all astronomy data are distributed as FITS (Flexible Image Transport System) files. Each FITS file consists of header + data (Header Data Units, HDUs )

525 views • 31 slides

GRB050502B optical and X-ray light curves

283 views • 13 slides

Geometric and Radiometric Camera Calibration

427 views • 10 slides

Discussion of CalWebb contents

Discussion of CalWebb contents. M. Robberto (facilitator). File in. Procedure. Modified Non-SCI Extensions. File out. *_RAW.fits Data cube file. MASKCORR Bad Pixel Mask. *_MSK.fits Mask file. DQ. REFCORR Ref.pixel correction. /REF Ref. method flag. ERR. BDCORR

155 views • 7 slides