Karoo Array Telescope pointing coordinate library
Project description
katpoint
Coordinate library for the SKA and MeerKAT radio telescopes, providing astronomical coordinate transformations, antenna pointing models, correlator delay models, source flux models and basic source catalogues, using an existing coordinate library such as Astropy to do the low-level calculations.
History
1.0a3 (2024-07-10)
Rework tropospheric refraction code to use ERFA routines (!35)
Add all outstanding changes from GitHub 0.10 release [see 0.10 below] (!30)
Fix unit tests on newer Astropy and upgrade CI build system (!31 - !36, !38)
1.0a2 (2022-09-16)
Use Astropy units for baselines, UVW, flux density, Catalogue (!24)
Fix unit tests based on the Moon for Astropy 5.0 (!27)
Upgrade SKAO CI pipeline, remove deprecations, fix warnings (!26, !28)
1.0a1 (2021-04-14)
A mammoth rewrite to use Astropy 4.1+ and sgp4 instead of PyEphem (!11, !21)
Depend on Python 3.6+ and remove all Python 2 fluff (!3, !12, !23)
Use pytest and compare coordinates against Calc and Skyfield (!4, !7, !14)
The new Body class encapsulates and vectorises coordinates (!6, !22)
Timestamp/Antenna/Target mirrors Time/EarthLocation/SkyCoord (!5, !10, !22)
Add tropospheric delays and proper NIAO to DelayCorrection (!13, !18, !20)
0.10 (2021-04-20)
[The following parts of the 0.10 release were retrofitted as part of 1.0a3]
Handle out-of-range projection inputs (#67, #68)
Allow fixed parameters during pointing model fitting (#73)
Update pointing and other documentation (#65, #70, #71, #74)
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
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