“If a Picture is worth a thousand words, a Spectrum is worth a thousand Pictures!”
Publications and Articles
Useful Links for Learning Spectroscopy
My Astronomy 125 course from Pomona College – an advanced undergraduate seminar on the astrophysics of the Milky Way and interstellar medium
Andrew Pontzen’s DLA simulation program
Andrew Pontzen’s DLA simulation Movie – animating the life of photons as they leave quasars and are absorbed by intervening clouds of intergalactic gas (creating DLA systems and the Lyman alpha forest). – http://www.cosmocrunch.co.uk/media/dla_credited.mov
Yuan-Sen Ting’s set of simulations for line formation in interstellar lines – allows interactive exploration of the curve of growth for various species:
Yuan-Sen Ting’s simulation for the Lyman Alpha forest – to show how the Lyman-alpha and Lyman-beta lines are created in a quasar absorption line:
My Online Spectroscopy Tutorials – Describing use of various astronomical software for spectral analysis
Keck Observing Runs – HIRES data and analysis
http://bishop.astro.pomona.edu/penprase/HEGER/ – simple nucleosynthesis model to determine elemental abundances of absorption lines, assuming a simple IMF and nucleosynthetic yields.
http://bishop.astro.pomona.edu/penprase/QSO/NEWEST/ – Caltech HIRES DLA system database; incorporates data from about 20 years of Keck spectroscopy into integrated database of element abundances.
http://bishop.astro.pomona.edu/penprase/OVIWEB/OVISPECS/ – OVI spectral absorption from Keck telescope data; attempt to constrain hot IGM toward intermediate redshift quasars.
http://bishop.astro.pomona.edu/penprase/keck2011/ – observing run charts for Keck HIRES observing in October 2011.
http://bishop.astro.pomona.edu/penprase/keck2011DLAs_ver2/ – a second version of the observing run prep page.
Keck Observing Runs – ESI data and analysis
http://bishop.astro.pomona.edu/penprase/KECKESI/REDUX/ – Keck Telescope ESI spectra for low-metallicity DLA sample.
http://bishop.astro.pomona.edu/penprase/ESI2011/ – ESI reduction pipeline results from Keck observing run in 2011.
http://bishop.astro.pomona.edu/penprase/FSPEC2/ – ESI reduction pipeline results from Keck observing run in 2007.
http://bishop.astro.pomona.edu/penprase/JFUSE/ – Some old FUSE results for sample of local IS clouds.
Other interesting and Useful Links for Galactic ISM and Spectroscopy Research
- Allsky Images — Database
- Spectroscopy — Database
- MAST search page for HST data
- SPECVIEW applet page
- SPLAT-VO applet from Starlink – more modern and better than SPECVIEW
Other Programs and Routines of interest for Astronomical Image Processing
http://specpro.caltech.edu/ms.pdf – An IDL spectroscopy analysis program from Peter Capak at Caltech
http://spectro.princeton.edu/ – Princeton SDSS spectroscopy site
http://www-astro.physics.ox.ac.uk/~mxc/software/ – Some interesting routines for astronomical image analysis
https://physics.ucf.edu/~jh/ast/software/optspecextr-0.3.1/doc/ – Optical Spectrum Extraction program in IDL from Cornell
http://www.astrobetter.com/blog/2009/10/02/spectral-line-analysis-tools/ – Rundown of some spectroscopy tools from astrobetter.com