Ay 122a Webpage  Fall 2012
*** OLD VERSION WHILE TRYING TO RECOVER A MORE RECENT PAGE ***
http://www.astro.caltech.edu/~george/ay122/
Instructors:
 C. Steidel, ccs@astro, x4168, 388 Cahill
 G. Djorgovski, george@astro, x4415, 208 Cahill
 Office hours: by arrangement
TA:
 M. Balokovic, mislavb@astro, x6395, 264 Cahill
 Office hours: Thu. 23 pm
Times and location: Wed & Fri, 2:30  4:00, in 219 Cahill
Class details, grading, collaboration policy, etc.
Schedule of lectures
(subject to changes)
Homeworks, solutions, assignments:
 Assignment #1, Oct. 5, 2012 (not graded; simply good for you):
Check out every link in the second lecture set, to see what they offer.
From the archives and VO portals, download at least one item from each.
This will help you remember when you actually need some of this stuff.
 Problem Set #1 , posted on Oct. 20, due by 5 pm on Oct. 26
 Problem Set #2 , posted on Nov.9, due by 5 pm on Nov. 16.
The data package needed can be found here
 Term papers instructions , posted on Nov. 20,
written papers due by 5 pm on Dec. 7, oral presentations on Dec. 11 and 12.

The Final:
It is a 3h test, and due by 5 pm on Dec. 14. It can be downloaded here, but please do not do this until you are ready to start.
Lecture slides, notes, and related links, but feel free to google on your own:

Introductory lecture: General considerations,coordinates, units, magnitudes
(3.5 MB pdf file)

Online resources, archives, tools, VO, etc.
(4.6 MB pdf file)

Chuck's lecture notes on fluxes, magnitudes, transparency, etc.
(9.2 MB pdf file)

Chuck's lecture notes on telescopes and optics
(6.3 MB pdf file)

Chuck's lecture notes on telescopes, sites, and seeing
(5.7 MB pdf file)

Chuck's lecture notes on space telescopes and detector noise variance
(5.7 MB pdf file)

Chuck's lecture notes on spectrographs and spectroscopy
(7.2 MB pdf file)

Chuck's lecture notes on volume phase holographic gratings
(1.8 MB pdf file)

Chuck's lecture notes on MOSFIRE spectrograph
(1.0 MB pdf file)

Photometric systems, calibration, S/N considerations
(3.5 MB pdf file)

J. Wall: "Practical Statistics for Astronomers  I. Definitions, the
Normal Distribution, Detection of Signal", QJRAS, 20, 138 (1979) (pdf)
 J. Wall: "Practical Statistics for Astronomers  II. Correlation, Data Modeling, and Sample Comparison", QJRAS, 37, 519 (1996) (pdf)

Magnitudes and photometric systems
 Photometric bandpass zeropoints:
 Interstellar extinction in photometric bands:

Asiago database of photometric systems

Geneva listing of photometric systems

Some IRAF documentation

Starlink photo calibrations cookbook
 HST Exposure Time Calculators

Photometry in practice
(2.4 MB pdf file)
 The original Stetson (1987, PASP, 99, 191) Daophot paper [pdf]
 Stetson (1990, PASP, 102, 932) paper on curves of growth [pdf]
 Bertin & Arnouts (1996, A&AS, 117,393) paper on SExtractor [pdf]
 ASPCS vol. 23, "Astronomical CCD observing and reduction techniques", ed. S. Howell (1992) [ADS link]

Detectors: UV/visible
(3.7 MB pdf file)

Detectors: IR and energy resolving
(6.5 MB pdf file)

Astrometry
(1.8 MB pdf file)

Spectrographs and Spectroscopy (6.4 MB pdf file). See also Chuck's notes linked above.
Some other useful links:
Last changed: 7 Dec 12, SGD