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This package provides a Python CDF reader toolkit.
It provides the following functionality:
Ability to read variables and attributes from CDF files
Writes CDF version 3 files
Can convert between CDF time types (EPOCH/EPOCH16/TT2000) to other common time formats
Can convert CDF files into XArray Dataset objects and vice versa, attempting to maintain ISTP compliance
The CALCEPH Library is designed to access the binary planetary ephemeris files, such INPOPxx and JPL DExxx ephemeris files, (called original JPL binary or INPOP 2.0 or 3.0 binary ephemeris files in the next sections) and the SPICE kernel files (called SPICE ephemeris files in the next sections). At the moment, supported SPICE files are:
text Planetary Constants Kernel (KPL/PCK) files;
binary PCK (DAF/PCK) files;
binary SPK (DAF/SPK) files containing segments of type 1, 2, 3, 5, 8, 9, 12, 13, 17, 18, 19, 20, 21, 102, 103 and 120;
meta kernel (KPL/MK) files;
frame kernel (KPL/FK) files (only basic support).
This package provides HEALPix to the Astropy project.
CalcMySky is a software package that simulates scattering of light by the atmosphere to render daytime and twilight skies (without stars). Its primary purpose is to enable realistic view of the sky in applications such as planetaria. Secondary objective is to make it possible to explore atmospheric effects such as glories, fogbows etc., as well as simulate unusual environments such as on Mars or an exoplanet orbiting a star with a non-solar spectrum of radiation.
This package consists of three parts:
calcmyskyutility that does the precomputation of the atmosphere model to enable rendering.libShowMySkylibrary that lets the applications render the atmosphere model.ShowMySkypreview GUI that makes it possible to preview the rendering of the atmosphere model and examine its properties.
The casa-formats-io package is a small package which implements functionality to read data stored in CASA formats (such as .image datasets). This implementation is independent of and does not use casacore.
This package provides a Square Kilometre Array (SKA) Science Data Processor (SDP) function library for radio astronomy.
skyfield computes positions for the stars, planets, and satellites in orbit around the Earth. Its results should agree with the positions generated by the United States Naval Observatory and their Astronomical Almanac to within 0.0005 arcseconds (half a mas or milliarcsecond).
SExtractor is a program that builds a catalogue of objects from an astronomical image. Although it is particularly oriented towards reduction of large scale galaxy-survey data, it can perform reasonably well on moderately crowded star fields.
This package provides ASDF schemas for validating transform tags. Users should not need to install this directly; instead, install an implementation package such as asdf-astropy.
This package implements a functionality of AI-powered automated pipeline for lens modeling, with lenstronomy as the modeling engine.
Features:
AI-automated forward modeling for large samples of galaxy-scale lenses
flexible: supports both fully automated and semi-automated (with user tweaks) modes
multi-band lens modeling made simple
supports both galaxy–galaxy and galaxy–quasar systems
effortless syncing between local machines and High-Performance Computing Cluster
This package provides an way to compute dendrograms of observed or simulated Astronomical data in Python.
This package provides ASDF schemas for validating transform tags. Users should not need to install this directly; instead, install an implementation package such as asdf-astropy.
Software for Calibrating AstroMetry and Photometry is a software that computes astrometric projection parameters from source catalogues derived from FITS images. The computed solution is expressed according to the WCS standard. The main features of SCAMP are:
compatibility with
SExtractorFITS or Multi-Extension FITS catalogue format in inputgeneration of WCS-compliant and
SWarp-compatible FITS image headers in outputautomatic grouping of catalogues on the sky
selectable on-line astrometric reference catalogue
automatic determination of scale, position angle, flipping and coordinate shift using fast pattern-matching
various astrometric calibration modes for single detectors and detector arrays
combined astrometric solutions for multi-channel/instrument surveys
highly configurable astrometric distortion polynomials
correction for differential chromatic refraction
proper motion measurements
multi-threaded code that takes advantage of multiple processors
VOTable-compliant XML output of meta-data
XSLT filter sheet provided for convenient access to metadata from a regular web browser
This package provides a Square Kilometre Array (SKA) Science Data Processor (SDP) function library for radio astronomy.
Baseband is a package for reading and writing VLBI and other radio baseband files, with the aim of simplifying and streamlining data conversion and standardization.
Astral is a Python module that calculates times for various positions of the sun: dawn, sunrise, solar noon, sunset, dusk, solar elevation, solar azimuth, rahukaalam, and the phases of the moon.
tweakwcs is a package that provides core algorithms for computing and applying corrections to WCS objects such as to minimize mismatch between image and reference catalogs. Currently only aligning images with FITS WCS and JWST gWCS are supported.
Provides DataModel, which is the base class for data models implemented in the JWST and Roman calibration software.
Sunwait calculates sunrise or sunset times with civil, nautical, astronomical and custom twilights. The sun's position is calculated using time, and position - latitude and longitude should be specified on the command line.
Features:
calculates sunrise and sunset for given coordinates
can wait for sunrise/sunset, or return DAY or NIGHT codes
works with Windows Task Scheduler (or cron)
supports custom twilight angles
used to automate domestic lighting with Arduino transmitter and radio controlled sockets
This package provides general tools for astronomical time series in Python.
This package provides a cython-optimized implementations of empirical dust exitinction laws found in the literature.
wiimatch is a package that provides core computational algorithms for optimal matching of weighted N-dimensional image intensity data using (multivariate) polynomials.
The CPL comprises a set of ISO-C libraries that provide a comprehensive, efficient and robust software toolkit to develop astronomical data-reduction tasks (known as recipes). These data-reduction tasks can then be executed manually by a user, or can be triggered in an automated data-reduction framework (known as pipelines) which are used at ESO to monitor the health status of VLT instruments, for quick-look data processing at the observatory, and the creation of data products available from the ESO archive facility.
This package provides a replacement for IRAF STSDAS SYNPHOT and ASTROLIB PYSYNPHOT, utilizing Astropy and covering the non-instrument specific portions of the old packages.