Search found 3 matches

by Thomas Dickinson
Thu Feb 20, 2014 8:29 pm
Forum: Spectra, results, information on activity ...
Topic: How to best prepare spectra for CCF?
Replies: 4
Views: 5197

Re: How to best prepare spectra for CCF?

Also,
We are trying to figure out how to calculate the uncertainty and we are wondering how, from Christian Buil's deltaRV equation, to determine "w" (translated to English as the "observed linewidth?" Also, in that same equation where is FWHM (full width half max) value in the numerator coming from ...
by Thomas Dickinson
Tue Feb 11, 2014 5:21 pm
Forum: Spectra, results, information on activity ...
Topic: How to best prepare spectra for CCF?
Replies: 4
Views: 5197

Re: How to best prepare spectra for CCF?

Fantastic, thank you so much. We are waiting on good weather to collect more data.

Martin, our telescope was designed for observing the moon so the optics are very slow (f/16) so it is difficult to get a good SNR. These are 15 minute exposures so we are going to try and do 20 minute exposures once ...
by Thomas Dickinson
Sun Feb 02, 2014 9:33 pm
Forum: Spectra, results, information on activity ...
Topic: How to best prepare spectra for CCF?
Replies: 4
Views: 5197

How to best prepare spectra for CCF?

Happy Sunday!

Bottom line up front: what is the best way to prepare spectra for comparison with CCF in ISIS?

I am working with some other students on collecting data on the star Tau Bootis, which has a large exoplanet orbiting it that has been successfully studied by many people including ...