katpoint

Coordinate library for the MeerKAT project, providing astronomical coordinate transformations, antenna pointing models, correlator delay models, source flux models and basic source catalogues, using an existing coordinate library such as PyEphem to do the low-level calculations.

History

0.10.3 (2026-09-22)

• Support NumPy 2.5 by replacing row_stack with vstack (#85)
• Improve out-of-range error message (#87)

0.10.2 (2024-10-31)

• Fix NumPy 2.0 bug in flux model description string (#83)
• Clarify status and point to katpoint 1 (#79)

0.10.1 (2023-10-10)

• Fix deprecated NumPy type aliases and configparser attributes (#81)
• Flake8 cleanup (#82)

0.10 (2021-04-20)

• Handle out-of-range projection inputs (#67, #68)
• Fix the sign of the NIAO term in the delay model (#75)
• Allow fixed parameters during pointing model fitting (#73)
• Handle katpoint v1 description strings in v0 (#76)
• Improve Timestamp arithmetic and comparison operators (#57)
• Update pointing and other documentation (#59, #65, #70)
• Minor improvements to requirements, testing (#62 - #64, #69, #71, #72, #74)
• Mark Python 2 support as deprecated (#61)

0.9 (2019-10-02)

• Add Antenna.array_reference_antenna utility function (#51)
• Vectorise Target.uvw (#49)
• Improve precision of flux model description string (#52)
• Produce documentation on readthedocs.org (#48)
• Add script that converts PSRCAT database into Catalogue (#16)

0.8 (2019-02-12)

• Improve UVW coordinates by using local and not global North (#46)
• Allow different target with same name in Catalogue (#44)
• Add support for polarisation in flux density models (#38)
• Fix tab completion in Catalogue (#39)
• More Python 3 and flake8 cleanup (#43)
• The GitHub repository is now public as well

0.7 (2017-08-01)

• Support Python 3 (#36)
• Improve DelayCorrection, adding description string and offset (#37)

0.6.1 (2017-07-20)

• Resolve issue with ska-sa/katdal#85 - SensorData rework (#34)

0.6 (2016-09-16)

• Initial release of katpoint