Astronomy 305

Observational Astronomy


Text : Astronomical Photometry,

Arne A. Henden and Ronald H. Kaitchuck.

As you can tell from the title, this text covers only one aspect of the problem of observational astronomy. Recommendations of additional resources will be made in class. The list of topics below is annotated with the appropriate section of the text.


Class Projects

Documentation

Topics

I. Light

Wave view / particle view

E&M Spectrum
Atmospheric windows
Blackbody radiation
Stefan-Boltzmann's Law
Wien's Displacement Law
Radiation from stars
Magnitude scale - [Chapter 1.7]
Color Index
Inverse Square Law
Interstellar Dusk
Absolute Magnitude
Color Excess - [Chapter 2.4]
Bolometric magnitude and correction

II. Observational Limits - Chapter 3

Image Deterioration
Diffraction Limit and Rayleigh's Criterion
Photon Noise / Wave Noise
Photon Detection
Incoherent - [Chapters 7 & 8]
Coherent
Limits (Noise)

III. Corrections to star position

Measurement of Time - [Chapter 5.3]
Sidereal Time
Julian Date
Spherical Astronomy - [Chapter 5.5]
Precession - [Chapter 5.4]
Refraction - [Chapter 5.2]

IV. Corrections to the data

Filters - [Chapter 6.3]
The UBV System - [Chapter 6.3]
Air Mass - [Chapter 4.4]
Atmospheric Extinction - [Chapter 1.8]
First and Second Order - [Chapter 2.2, 4.4]
Zero Point Values - [Chapter 2.5, 4.5]
Dead Time Correction - [Chapter 4.2]
Transformation Equations - [Chapter1.9, 2.2, 2.6, 4.7]
Interpolations - [Chapter 3.6]

V. Multichannel Detectors

Photography
Image Intensifiers
Charge Coupled Devices

Exams:

Two exams will be given in addition to the final. The exam schedule is below. Each exam will only cover the material presented up to that point in the course. The final exam is not comprehensive.

Exam I - February 19

Exam II - April 1

Final Exam - Monday, May 8 10:30 - 12:30


Observational Projects:

Measuring angular field of view and visual astronomy
Unguided Astrophotography
Guided Astrophotography
Photoelectric Photometry or CCD Photometry


Grading

Tests 12.5% each 25%
Projects 12.5% each 50%
Final 25%
A 90 - 100
B 80 - 90
C 70 - 80
D 60 - 70
F 60