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3.2.3 (Dec 2024)

  • Documentation enhancements and fixes.

3.2.2 (Dec 2024)

  • Fixed error in DR5 estimated end of data collection time.

3.2.1 (Dec 2024)

  • Version change to fix automated PyPI publication.

3.2 (Dec 2024)

  • Notebooks with examples integrated into documentation.

3.1 (Dec 2024)

3.0 (September 2022)

  • Renamed master branch to main.
  • Added new performance predictions for photometry and radial velocities (appeared on Gaia science performance pages after Gaia DR3).
  • Changed repository layout.
  • Updated to using pyproject.toml configuration and using pip to install from source.
  • Cleaned up documentation and published on readthedocs.io.
  • Changed license.

2.2 (January 2021)

  • Fixed the typo noted in #4

2.1 (December 2020)

  • Minor fixes to code, documentation link in EpochPropagation class updated.

2.0 (December 2020)

  • This version is for the post-Gaia EDR3 performance predictions which are extrapolated from the actual Gaia (E)DR3 performances. See https://www.cosmos.esa.int/web/gaia/science-performance
  • MANY BREAKING CHANGES! For the pre-Gaia EDR3 version of the code see https://github.com/agabrown/pygaia-v1
  • The performance predictions for astrometry now depend only on G and can only be generated for Gaia (E)DR3/DR4/DR5 . Variations as a function of sky position and colour are not included.
  • The code was cleaned up, making it (more) conformant with the Python standards. This again causes many breaking changes due to renaming of modules and functions.

1.32 (October 2019)

  • Mission length scaling in photometric and radial velocity uncertainties.

1.31 (September 2019)

  • Allow for list of spectral types as input to vradErrorSkyAvg.

1.30 (March 2019)

  • Switched from Basemap to Cartopy in sky.py.
  • Epoch propagation added, including the propagation of the covariance matrix.
  • Covariance matrix construction from Gaia catalogue columns, including "radial proper motion" term.
  • Changed convention for longitude numerical values. They are now between 0 and 2PI instead of -PI and +PI. THIS IS A BREAKING CHANGE.

1.22 (February 2019)

  • Test cases slightly updated

1.21 (April 2018)

  • Added constant AU expressed in maskmyr/s
  • Fixed large memoery consumption in the _getJacobian method in the coordinate transformation code. Thanks to jchelly for pointing out this problem.

1.2 (December 2016)

  • Add method to CoordinateTransformation for the transformation of the full (5x5) covariance matrix of the astrometric parameters.
  • Add keyword to astrometric errors prediction functions that allows to specify an extended mission lifetime.

1.1 (September 2016)

  • Bug fix in coordinate transformation code.
  • Updated photometry and radial velocity error predictions.
  • End-of-mission photometry errors, including calibration floor, introduced for the broad band fluxes.
  • Photometry errors now include 20% margin for CCD-transit and end-of-mission predictions.
  • Example plot of photometry errors fixed.

1.0 (November 2015)

  • Added numerical constants.
  • Improved setup.py, made code compatible with Python3

0.9 (September 2015)

  • Photometric performance predictions updated to post-launch estimates.

0.83 (July 2015)

  • Minor error in documentation of astrometryToPhaseSpace() method corrected.

0.82 (July 2015)

  • Error corrected in transformSkyCoordinateErrors() method. Thanks to Teresa Antoja and Taniya Parikh!

0.81 (June 2015)

  • Forgot to update changelog for version 0.8

0.8 (June 2015)

  • Radial velocity performance predictions updated to post-launch estimates.

0.7 (December 2014)

  • Astrometry performance predictions updated to post-launch estimates.

0.6 (July 2014)

  • Warning on upcoming changes in performance predictions, following the Gaia commissioning period
  • radial velocity horizons plot in examples folder

0.5 (August 2013)

  • Utilities for obtaining absolute magnitudes of stars in V and G.
  • Functions to obtain the upper and lower bounds on the astrometric parameter errors (corresponding to the sky regions with best/worst astrometric errors).
  • Proper motion error plot.
  • Parallax horizon plot.

0.4 (April 2013)

  • Added transformation of proper motions and of position and proper motion errors.

0.31 (February 2013)

  • Updated README. TODO added.

0.3 (February 2013)

  • Added documentation on installation requirements. Added the handling of an ImportError for the argparse module to the example scripts.

0.2 (February 2013)

  • Problems in setup.py fixed as well is bugs in the error simulation code.

0.1 (February 2013)

  • First release

0.0 (October 2012)

  • Creation from bits and pieces of python code that AB had lying around.