Sumários

CCDs [Part V]

13 Outubro 2020, 11:00 • André Maria da Silva Dias Moitinho de Almeida

:: Instrumental signatures and other effects on CCD images (cont)
- Bias
- Dark current
- Flat fields
- Fringing

CCD image processing (Part II)

8 Outubro 2020, 09:30 • André Maria da Silva Dias Moitinho de Almeida

- IRAF software hands-on tutorial (continued)- Inspection of image metadata (content of headers)

- Examination of images of science, bias and flat field with the task imexamine
- Determination of the gain and reading noise of a CCD

CCDs [Part IV]

8 Outubro 2020, 08:30 • André Maria da Silva Dias Moitinho de Almeida

:: Instrumental signatures and other effects on CCD images
- Saturation and load spillage ("blooming")
- Defects: Cold / hot pixels and columns

Telescopes - problem sheet 1 (continued)

6 Outubro 2020, 12:00 • André Maria da Silva Dias Moitinho de Almeida

Work on problem sheet: Telescopes-1

CCDs [Part III]

6 Outubro 2020, 11:00 • André Maria da Silva Dias Moitinho de Almeida

:: Sources of noise
- Reading noise
- Dark current
- Photonic ("shot noise")
- Non-uniformity of pixels