Python interface for barycentric correction web applets
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README.md
barycorr.py

README.md

barycorr.py

Python routines that query Jason Eastman's web applets for barycentric velocity and time correction ( barycorr.pro, utc2bjd.pro and bjd2utc.pro)

When using one of the services provided through this module, please cite the corresponding paper:

The Python interface is written by René Tronsgaard (Aarhus University) and may be used, modified or redistributed without restrictions.

See also:

Installation

Download barycorr.py to a directory of choice.

The following packages are required (available in PyPI):

Usage example

import barycorr
params = {
    'jd_utc': [2457535.067362, 2457462.12724721],
    'ra': 293.08995940,
    'dec':  69.66117649,
    'lat': 28.2983,
    'lon': -16.5094,
    'elevation': 2400,
    'pmra': 598.07,
    'pmdec': -1738.40,
    'parallax': 173.77,
    'rv': 26780,
    'zmeas': [-4.99432219e-06,  1.16637407e-05]
}
barycorr.bvc(**params)

# Returns: numpy.array([-1312.08186269,   515.87479325])

Version history

Version 1.2 (01 Oct 2017)

Allowed keyword raunits to switch between hours and degrees (courtesy of Mathias Zechmeister)

Version 1.1 (26 May 2016)

Initial release