Sumários

Observational Astronomy: Observations and calibrations

22 outubro 2019, 14:00 • Santiago González Gaitán

Observations: observation schedule, prepare observing plan, fill observing logs

Calibrations: lights, bias, darks and flats. Bad pixel mask, cosmic rays, standard stars. 
On seeing: PSF and FWHM
Practical sessions: how to use DS9 to see and explore FITS images.

Observational Astronomy: Overview of some astrophysical objects and Proposal Panel

21 outubro 2019, 17:00 • Santiago González Gaitán

Basic overview of some astrophysical concepts needed for general understanding of the observing projects. These include: solar system formation, planet and moon formation, orbital resonances, stellar spectra, Herztsprung-Russell diagram, stellar clusters, intrinsic variables stars, eclipsing binaries, galaxies: spiral and elliptical, Sersic profiles.


Panel discussion of the observing proposals.

Observational astronomy: measures, telescopes and detectors.

15 outubro 2019, 14:00 • Santiago González Gaitán

Measures in astronomy: distance, luminosity and apparent brightness, magnitudes, colors

Telescopes: reflectors and refractors, angular resolution, light-gathering power, magnification, mounts...
Detectors: CCDs, pixels, QE, linearity, gain, readout, signal-to-noise, exposure time calculators...
Proposal: writing an observing proposal

Observational Astronomy: Coordinate and time systems

14 outubro 2019, 17:00 • Santiago González Gaitán

Introduction of the module on Observational Astronomy: syllabus, evaluation, observing sessions. 

Coordinate systems: a) Altitude-azimuth, b) RA, DEC and c) Galactic coordinates.
Time systems: a) Civil time, b) UT time, c) Julian dates and d) Sidereal time
Preparing an observation: visibilities, planetarium. 

Lecture (Theory) 3

30 setembro 2019, 17:00 • Ilídio Lopes

Introduction to the theory of stellar oscillations: basic equations of hydrodynamics. Some observational results.