http://coursewiki.astro.cornell.edu/Astro4410 The Astro4410 web of Foswiki, the Free and Open Source Wiki. en-us Copyright 2009 by contributing authors Wiki Administrator [don@isc.astro.cornell.edu] The contributing authors of Course Wiki Course Wiki http://coursewiki.astro.cornell.edu/Astro4410 http://coursewiki.astro.cornell.edu/foswiki/pub/System/ProjectLogos/foswiki-logo.png http://coursewiki.astro.cornell.edu/Astro4410/RadialVelocities Some Notes on Radial Velocities Many possible projects in this laboratory involve measuring velocities from Doppler shifts of spectral lines. Such a shift is of course ... (last changed by DonBarry) 2009-10-22T19:45:24Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/HartungBoothroydObservatory The Hartung Boothroyd Observatory The Hartung Boothroyd Observatory is located off the Cornell campus, atop Mount Pleasant. It is used mainly as a teaching facility ... (last changed by DonBarry) 2009-10-19T18:50:01Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/SpectroPhotometry Spectrophotometry ; Okay, you've observed a spectrum and a spectrophotometric standard, plus you've got a bias. bias readfits( ) object readfits( ) standard ... (last changed by DonBarry) 2009-10-14T21:11:15Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/LineLists Line Lists a small compendium of useful wavelengths All units in Aring;ngstroms. Bright Lines in Starburst Galaxy, NGC 7448 Skyglow has been (mostly) subtracted ... (last changed by DonBarry) 2009-10-12T21:40:55Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/TheoreticalIsochrones Theoretical Isochrones for Star Clusters An isochrone (iso "same", chrone "time") is a distribution that reflects properties of an initial ensemble of objects after ... (last changed by DonBarry) 2009-10-01T22:11:59Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/WebHome Astronomy 4410 Instrumental Methods in Astronomy A hypothesis or theory is clear, desirable and positive, but it is believed by no one but the person who created ... (last changed by DonBarry) 2009-10-01T21:02:32Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/HowToMakeAnHRDiagram How to make an HR Diagram in IDL Libraries available in the IDL language provide a quite automated procedure for doing photometry on clusters of stars. Below ... (last changed by DonBarry) 2009-09-29T14:13:20Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/BasicObservationalKnowledge Basic Observational Knowledge Astronomy, like all fields, assumes a certain literacy in terms unique to the field. Because of the great age of this science, some ... (last changed by DonBarry) 2009-09-25T04:22:45Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/CourseCalendar Course Calendar 27 Aug 2009 Org Meeting 14 Sep 2009 Lab 1 due 14 Sep 2009 Observing 15 Sep 2009 Observing 16 Sep 2009 Observing ... (last changed by DonBarry) 2009-09-25T01:01:00Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/FindingGuidestars Finding Guide Stars for Long Integrations When imaging with tne Andor camera on the HBO telescope, long exposures (greater than 60s) will either have to be broken ... (last changed by DonBarry) 2009-09-19T19:39:06Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/CCDLaboratoryEvaluation LAB 1: CCD Laboratory Evaluation The photographic plate was the detector of choice for astronomical imaging for nearly a century. However, none have been used on ... (last changed by DonBarry) 2009-09-11T00:55:25Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/LabComputers Astro 4410 Computers Our lab contains several machines running GNU/Linux. On login you will see a graphical environment which should not look too unfamiliar, and ... (last changed by DonBarry) 2009-09-10T18:02:56Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/CourseHandouts Course Handouts Organizational Material Optical Section Guidelines Lab Reports and Grading Scheme Optical Component: Lectures and Resources At the ... (last changed by DonBarry) 2009-08-27T15:28:29Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/IdlTips IDL Tips and Resources IDL Cheat Sheet your first few commands in an IDL session Practical IDL Programming by Liam E. Gumley How to make an HR Diagram ... (last changed by DonBarry) 2009-08-27T15:25:28Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/CcdAcquisition CCD Acquisition Software The primary imaging device at the observatory is the Andor CCD. Software can be run in either the classroom laboratory or at the HartungBoothroydObservatory ... (last changed by DonBarry) 2009-08-24T19:32:41Z DonBarry http://coursewiki.astro.cornell.edu/Astro4410/EstimatingPhotons Estimating Photon Counts For many observations, the dominant source of noise is simply that of arrival statistics for the finite number of photons which are recorded ... (last changed by DonBarry) 2009-08-24T04:01:22Z DonBarry