@@ 1616,6 1616,50 @@ astronomy and astrophysics.")
(description "This package provides HEALPix to the Astropy project.")
(license license:bsd-3)))
+(define-public python-astropy-iers-data
+ (package
+ (name "python-astropy-iers-data")
+ ;; In case of changing the source method git-fetch, consider to check the
+ ;; tag as it's not following the PyPI version, see
+ ;; <https://github.com/astropy/astropy-iers-data/issues/17>.
+ (version "0.2024.2.19.0.28.47")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (pypi-uri "astropy-iers-data" version))
+ (sha256
+ (base32 "0j42hkl8z42x5n3aacld9cvacjzg79lqsivm3xn6bv1gjgy69br9"))))
+ (build-system pyproject-build-system)
+ (arguments
+ (list
+ ;; Dependencies cycle wit python-astropy, see
+ ;; <https://github.com/astropy/astropy-iers-data/issues/21>.
+ #:tests? #f
+ #:phases
+ #~(modify-phases %standard-phases
+ (add-before 'build 'set-env-version
+ (lambda _
+ (setenv "SETUPTOOLS_SCM_PRETEND_VERSION" #$version))))))
+ (native-inputs
+ (list python-hypothesis
+ python-pytest
+ python-pytest-remotedata
+ python-setuptools-scm))
+ (home-page "https://docs.astropy.org/en/latest/utils/iers.html")
+ (synopsis "IERS Earth Rotation and Leap Second tables for the astropy core package")
+ (description
+ "The @code{iers} package provides access to the tables provided by the
+@acronym{International Earth Rotation and Reference Systems, IERS} service, in
+particular the
+@url{https://www.iers.org/IERS/EN/DataProducts/EarthOrientationData/eop.html,
+Earth Orientation data} allowing interpolation of published UT1-UTC and polar
+motion values for given times. The UT1-UTC values are used in
+@url{https://docs.astropy.org/en/latest/time/index.html#astropy-time, Time and
+Dates (astropy.time)} to provide UT1 values, and the polar motions are used in
+@code{astropy.coordinates} to determine Earth orientation for
+celestial-to-terrestrial coordinate transformations.")
+ (license license:bsd-3)))
+
(define-public python-astroquery
(package
(name "python-astroquery")