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Astroquery is an astropy <http://www.astropy.org>_ affiliated package that contains a collection of tools to access online Astronomical data. Each web service has its own sub-package. For example, to interface with the SIMBAD website <http://simbad.u-strasbg.fr/simbad/>_, use the simbad sub-package:

.. code-block:: python

>>> from astroquery.simbad import Simbad
>>> theta1c = Simbad.query_object('tet01 Ori C')
>>> theta1c.pprint()
   MAIN_ID          RA           DEC      ... COO_QUAL COO_WAVELENGTH     COO_BIBCODE
------------- ------------- ------------- ... -------- -------------- -------------------
* tet01 Ori C 05 35 16.4637 -05 23 22.848 ...        A              O 2007A&A...474..653V

Installation and Requirements

Astroquery works with Python 3.6 or later. As an astropy_ affiliate, astroquery requires astropy_ version 3.1.2 or later.

astroquery uses the requests <http://docs.python-requests.org/en/latest/>_ module to communicate with the internet. BeautifulSoup <http://www.crummy.com/software/BeautifulSoup/>_ and html5lib' <https://html5lib.readthedocs.io/en/latest/>_ are needed for HTML parsing for some services. The keyring <https://pypi.python.org/pypi/keyring>_ module is also required for accessing services that require a login. These can all be installed using pip <https://pypi.python.org/pypi/pip>_ or anaconda <http://continuum.io/>. Running the tests requires curl <https://curl.haxx.se/> to be installed.

The latest version of astroquery can be conda installed:

.. code-block:: bash

$ conda install -c conda-forge astroquery

or pip installed:

.. code-block:: bash

$ pip install --pre astroquery

and the 'bleeding edge' master version:

.. code-block:: bash

$ pip install https://github.com/astropy/astroquery/archive/master.zip

or cloned and installed from source:

.. code-block:: bash

$ # If you have a github account:
$ git clone [email protected]:astropy/astroquery.git
$ # If you do not:
$ git clone https://github.com/astropy/astroquery.git
$ cd astroquery
$ python setup.py install

Using astroquery

Importing astroquery on its own doesn't get you much: you need to import each sub-module specifically. Check out the docs_ to find a list of the tools available. The API_ shows the standard suite of tools common to most modules, e.g. query_object and query_region.

To report bugs and request features, please use the issue tracker. Code contributions are very welcome, though we encourage you to follow the API_ and contributing guidelines <https://github.com/astropy/astroquery/blob/master/CONTRIBUTING.rst>_ as much as possible.

List of Modules

The following modules have been completed using a common API:

ALMA Archive <http://astroquery.readthedocs.io/en/latest/alma/alma.html>_
Atomic Line List <http://astroquery.readthedocs.io/en/latest/atomic/atomic.html>_: A collection of more than 900,000 atomic transitions.
Besancon <http://astroquery.readthedocs.io/en/latest/besancon/besancon.html>_: Model of stellar population synthesis in the Galaxy.
CDS MOC Service <https://astroquery.readthedocs.io/en/latest/cds/cds.html>_: A collection of all-sky survey coverage maps.
CADC <https://astroquery.readthedocs.io/en/latest/cadc/cadc.html>_: Canadian Astronomy Data Centre.
ESASky <http://astroquery.readthedocs.io/en/latest/esasky/esasky.html>_: ESASky is a science driven discovery portal providing easy visualizations and full access to the entire sky as observed with ESA Space astronomy missions.
ESO Archive <http://astroquery.readthedocs.io/en/latest/eso/eso.html>_
FIRST <http://astroquery.readthedocs.io/en/latest/image_cutouts/first/first.html>_: Faint Images of the Radio Sky at Twenty-cm. 20-cm radio images of the extragalactic sky from the VLA.
Gaia <http://astroquery.readthedocs.io/en/latest/gaia/gaia.html>_: European Space Agency Gaia Archive.
ESA XMM <https://astroquery.readthedocs.io/en/latest/esa/xmm_newton.html>_: European Space Agency XMM-Newton Science Archive.
ESA Hubble <https://astroquery.readthedocs.io/en/latest/esa/hubble.html>_: European Space Agency Hubble Science Archive.
ESA ISO <https://astroquery.readthedocs.io/en/latest/esa/iso.html>_: European Space Agency ISO Data Archive.
GAMA database <http://astroquery.readthedocs.io/en/latest/gama/gama.html>_
Gemini <http://astroquery.readthedocs.io/en/latest/gemini/gemini.html>_: Gemini Archive.
HEASARC <http://astroquery.readthedocs.io/en/latest/heasarc/heasarc.html>_: NASA's High Energy Astrophysics Science Archive Research Center.
IBE <http://astroquery.readthedocs.io/en/latest/ibe/ibe.html>_: IRSA Image Server program interface (IBE) Query Tool provides access to the 2MASS, WISE, and PTF image archives.
IRSA <http://astroquery.readthedocs.io/en/latest/irsa/irsa.html>_: NASA/IPAC Infrared Science Archive. Science products for all of NASA's infrared and sub-mm missions.
IRSA dust <http://astroquery.readthedocs.io/en/latest/irsa/irsa_dust.html>_: Galactic dust reddening and extinction maps from IRAS 100 um data.
MAGPIS <http://astroquery.readthedocs.io/en/latest/magpis/magpis.html>_: Multi-Array Galactic Plane Imaging Survey. 6 and 20-cm radio images of the Galactic plane from the VLA.
MAST <http://astroquery.readthedocs.io/en/latest/mast/mast.html>_: Barbara A. Mikulski Archive for Space Telescopes.
Minor Planet Center <http://astroquery.readthedocs.io/en/latest/mpc/mpc.html>_
NASA ADS <http://astroquery.readthedocs.io/en/latest/nasa_ads/nasa_ads.html>_: SAO/NASA Astrophysics Data System.
NED <http://astroquery.readthedocs.io/en/latest/ned/ned.html>_: NASA/IPAC Extragalactic Database. Multiwavelength data from both surveys and publications.
NIST <http://astroquery.readthedocs.io/en/latest/nist/nist.html>_: National Institute of Standards and Technology (NIST) atomic lines database.
NRAO <http://astroquery.readthedocs.io/en/latest/nrao/nrao.html>_: Science data archive of the National Radio Astronomy Observatory. VLA, JVLA, VLBA and GBT data products.
NVAS archive <http://astroquery.readthedocs.io/en/latest/nvas/nvas.html>_
Simbad <http://astroquery.readthedocs.io/en/latest/simbad/simbad.html>_: Basic data, cross-identifications, bibliography and measurements for astronomical objects outside the solar system.
Skyview <http://astroquery.readthedocs.io/en/latest/skyview/skyview.html>_: NASA SkyView service for imaging surveys.
Splatalogue <http://astroquery.readthedocs.io/en/latest/splatalogue/splatalogue.html>_: National Radio Astronomy Observatory (NRAO)-maintained (mostly) molecular radio and millimeter line list service.
UKIDSS <http://astroquery.readthedocs.io/en/latest/ukidss/ukidss.html>_: UKIRT Infrared Deep Sky Survey. JHK images of 7500 sq deg. in the northern sky.
Vamdc <http://astroquery.readthedocs.io/en/latest/vamdc/vamdc.html>_: VAMDC molecular line database.
Vizier <http://astroquery.readthedocs.io/en/latest/vizier/vizier.html>_: Set of 11,000+ published, multiwavelength catalogues hosted by the CDS.
VO Simple Cone Search <http://astroquery.readthedocs.io/en/latest/vo_conesearch/vo_conesearch.html>_
xMatch <http://astroquery.readthedocs.io/en/latest/xmatch/xmatch.html>_: Cross-identify sources between very large data sets or between a user-uploaded list and a large catalogue.

These others are functional, but do not follow a common or consistent API:

Alfalfa <http://astroquery.readthedocs.io/en/latest/alfalfa/alfalfa.html>_: Arecibo Legacy Fast ALFA survey; extragalactic HI radio data.
CosmoSim <http://astroquery.readthedocs.io/en/latest/cosmosim/cosmosim.html>_: The CosmoSim database provides results from cosmological simulations performed within different projects: the MultiDark project, the BolshoiP project, and the CLUES project.
Exoplanet Orbit Database <http://astroquery.readthedocs.io/en/latest/exoplanet_orbit_database/exoplanet_orbit_database.html>_
Fermi <http://astroquery.readthedocs.io/en/latest/fermi/fermi.html>_: Fermi gamma-ray telescope archive.
HITRAN <http://astroquery.readthedocs.io/en/latest/hitran/hitran.html>_: Access to the high-resolution transmission molecular absorption database.
JPL Horizons <http://astroquery.readthedocs.io/en/latest/jplhorizons/jplhorizons.html>_: JPL Solar System Dynamics Horizons Service.
JPL SBDB <http://astroquery.readthedocs.io/en/latest/jplsbdb/jplsbdb.html>_: JPL Solar System Dynamics Small-Body Database Browser Service.
Lamda <http://astroquery.readthedocs.io/en/latest/lamda/lamda.html>_: Leiden Atomic and Molecular Database; energy levels, radiative transitions, and collisional rates for astrophysically relevant atoms and molecules.
NASA Exoplanet Archive <http://astroquery.readthedocs.io/en/latest/nasa_exoplanet_archive/nasa_exoplanet_archive.html>_
OAC API <http://astroquery.readthedocs.io/en/latest/oac/oac.html>_: Open Astronomy Catalog REST API Service.
Ogle <http://astroquery.readthedocs.io/en/latest/ogle/ogle.html>_: Optical Gravitational Lensing Experiment III; information on interstellar extinction towards the Galactic bulge.
Open Expolanet Catalog (OEC) <http://astroquery.readthedocs.io/en/latest/open_exoplanet_catalogue/open_exoplanet_catalogue.html>_
SDSS <http://astroquery.readthedocs.io/en/latest/sdss/sdss.html>_: Sloan Digital Sky Survey data, including optical images, spectra, and spectral templates.
SHA <http://astroquery.readthedocs.io/en/latest/sha/sha.html>_: Spitzer Heritage Archive; infrared data products from the Spitzer Space Telescope.

Citing Astroquery

If you use astroquery, please cite the paper we published in The Astronomical Journal <http://adsabs.harvard.edu/abs/2019AJ....157...98G>__.

The BibTeX entry is available from the package itself::

import astroquery astroquery.citation

In addition you may also want to refer to specific versions of the package. We create a separate Zenodo DOI for each version, they can be looked up at the following Zenodo page <https://doi.org/10.5281/zenodo.591669>__

Additional Links

Download Development ZIP_ | Download Development TAR_

Maintained by Adam Ginsburg_ and Brigitta Sipocz <https://github.com/bsipocz>_ ([email protected]_)

.. _Download Development ZIP: https://github.com/astropy/astroquery/zipball/master .. _Download Development TAR: https://github.com/astropy/astroquery/tarball/master .. _Download Stable ZIP: https://github.com/astropy/astroquery/zipball/stable .. _Download Stable TAR: https://github.com/astropy/astroquery/tarball/stable .. _View on Github: https://github.com/astropy/astroquery/ .. _docs: http://astroquery.readthedocs.io .. _Documentation: http://astroquery.readthedocs.io .. [email protected]: mailto:[email protected] .. _Adam Ginsburg: http://www.adamgginsburg.com .. _Blog: http://astropy.org/astroquery-blog .. _API: http://astroquery.readthedocs.io/en/latest/api.html

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