Wednesday, June 15, 2011

spectral shifts - check!

This morning, I plotted up a couple of exposures of the same binary to make sure that we can actually see the shift we calculated.

The white spectrum is the 1st exposure of a binary, and the red spectrum is the 3rd exposure of the binary. The time between the two exposures is about 36 minutes! The space between the white and red dotted lines show the calculated shift given our calculated radial velocities. They're a little off, but a shift is definitely there! This means that in half an hour or so between exposures, the binaries were moving quickly enough to cause their spectra to be noticeably shifted.

Waiting to hear Andrew's feedback. Fingers crossed that this is accurate enough...

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