Data Archives
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VizieR provides access to the most complete library of published astronomical catalogues and data tables available on line. Query tools allow the user to select relevant data tables and to extract and format records matching given criteria. |
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Simbad Astronomical database which provides basic data, cross-identifications, bibliography and measurements for astronomical objects outside the solar system. |
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NED The NASA/IPAC Extragalactic Database (NED) provides a multi-wavelength fusion of data for millions of objects outside the Milky Way galaxy. |
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SDSS DR12 Sloan Digital Sky Survey – A major research project dedicated to producing a systematic map of a quarter of the sky, producing new catalogues for deep-sky. |
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2MASS Two Micron All Sky Survey (2MASS) – research project dedicated to producing a systematic map of the entire sky in near-infrared. |
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ESO data archive ESO observational data can be requested through this facility after the proprietary period by the astronomical community. |
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MAST The Multimission Archive at STScI is a project to support and provide to the astronomical community a variety of astronomical data archives, with the primary focus on scientifically related data sets in the optical, ultraviolet, and near-infrared parts of the spectrum. |
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2dFGRS The 2dF Galaxy Redshift Survey (2dFGRS) is a spectroscopic survey and spectra is obtained for 245591 objects, mainly galaxies. |
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HyperLeda The extragalactic database. Photometry, kinematics spectrophotometry, archive of fits data. |
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| IPAC/IRSA data archive for scientific data sets from NASA’s infrared and sub-millimeter astronomy projects and missions. | Webservice |
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HLA The Hubble Legacy Archive (HLA) is designed to optimize science from the Hubble Space Telescope by providing online, enhanced Hubble products and advanced browsing capabilities. |
Data Discovery Tools
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VOPlatform VOPlatform is a tool that provides users with an environment in which to place their frequently used VO tools and datasets, along with other resources such as documents, web links etc. The application has been developed in Java, and acts on data available in the VO Standard VOTable format. |
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VODesktop A desktop application for working with the Virtual Observatory. It can explore data resources, query remote catalogs, and construct workflows to automate tasks. |
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Datascope A Web Service for discovering and exploring data in the Virtual Observatory from archives and data centres around the world. |
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Aladin An interactive software sky atlas allowing the user to visualize digitized images of any part of the sky, to superimpose entries from astronomical catalogs. |
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SkyView A Virtual Observatory for generating images of any part of the sky at wavelengths in all regimes from Radio to Gamma-Ray. |
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VOEventNet VOEventNet enables rapid observations of the dynamic night sky. VOEventNet gathers streams of astronomical alerts and reports in a common format, so that both people and robotic systems can get the alerts quickly enough to respond with follow-up observations. |
Analysis Tools
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ARCHANGEL It allows astronomers to do surface photometry of galaxies. |
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AstroStat allows astronomers to use both simple and sophisticated statistical routines on large datasets. |
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Montage It allows astronomers to make mosaics from 2MASS, DPOSS, or SDSS images and returns science-grade mosaics that preserve fluxes and astrometry and rectify backgrounds to a common level. |
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Specview It is a tool for 1-D spectral visualization and analysis of astronomical spectra. |
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SPLAT A spectra analysis tool. |
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Euro3D It allows astronomers to deal with datasets in the Euro3D FITS format. |
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NVO Spectrum Services This service allows a large, distributed database of spatial object spectra and a collection of tools for common spectrum processing tasks. |
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Yafit An SED fitting tool. Although it could be used in other contexts, it is mainly intended for fitting observed photometric data to calculated model spectra. |
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GOSSIP A tool which allows astronomers to fit the electro-magnetic emission of an object (the SED, Spectral Energy Distribution) against synthetic models. |
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EZ (Easy-Z) A tool which allows to estimate redshifts for extragalactic objects. |
Plotting Tool
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Topcat An interactive graphical viewer and editor for tabular data. It understands a number of different astronomically important formats (including FITS and VOTable) and more formats can be added. |
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VOPlot A tool for visualizing astronomical data. VOPlot is available as a stand alone version, which is to be installed on the user’s machine, or as a web-based version fully integrated with the VizieR database. |
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VOMegaPlot It has been specifically optimized for handling large number of points (in the range of millions). It has the same look and feel as VOPlot and both these tools have certain common functionality. |
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STILTS It deals with the processing of tabular data; the package has been designed for, but is not restricted to, astronomical tables such as object catalogues. |
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VOConvert A tool for converting files from one format to another. It supports following file format conversions: (1) ASCII to VOTable (2) FITS to VOTable and (3) VOTable to ASCII. |