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UCBerkeleySETI / blimpy

Breakthrough Listen I/O Methods for Python
https://blimpy.readthedocs.io
BSD 3-Clause "New" or "Revised" License
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Add relative position to the sun. #70

Open jeenriquez opened 5 years ago

jeenriquez commented 5 years ago

Describe the solution you'd like Given the RA&Decl and time of the observation, calculate the angular distance to the sun (particularly if the observation is during the day).

Additional context This is an important to know to calculate the scintillation effects caused by the IPM.

telegraphic commented 5 years ago

There is some code in #34, and some code in http://docs.astropy.org/en/stable/coordinates/solarsystem.html that could be used as a base to do this in astropy.

I would like to try and do all calculations with astropy, and get rid of pyslalib and pyephem if possible (although this is probably easier in pyephem!)

Who wants to take the lead on this? (I'm pretty busy atm)

For development, can we write this as a function that takes a blimpy.Waterfall object as its main argument? E.g. https://github.com/telegraphic/blimpy/blob/master/blimpy/ephemeris/compute_lst.py

jeenriquez commented 5 years ago

Agree on astropy, and the type of function we want. Also, no time from me atm. :)