AST101H1 Lecture Notes - Lecture 8: Kens, Angular Diameter, Retina

• School: UTSG
• Department: Astronomy & Astrophysics
• Course: AST101H1
• Professor: Ian Shelton

Document Summary

2 m o c s s a l c e n o t a s e c r u o s e r e r o m d n i f. Data collected by telescopes: images in different colours (waveband lters, spectra - using a spectrascope, brightness or intensity - photometer. Detectors: photographic lm (plates) - light gathering ef ciency is a. 1-3: electronic devices - ccd"s - very ef cient nearing 100% ef ciency, typical image is 2048x2048 pixels, cameras with mosaics of 20-30 images are being placed on dedicated telescopes. 4 m o c s s a l c e n o t a s e c r u o s e r e r o m d n i f. 6 m o c s s a l c e n o t a s e c r u o s e r e r o m d n i f.