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Astronomy Links

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+On-line optical survey data

The Digital Sky Survey
Minnesota Automatic Plate Scanner Catalog (MAPS)
Scans of the National Geographic-Palomar Observatory Sky Survey (POSS I) blue (O) and red (E) plates.
Sloan Digital Sky Survey (SDSS)
ESO slice project
A galaxy redshift survey covering 30 square degrees near the South Galactic Pole, complete up to bJ=19.4. It includes the redshifts of 3,000 galaxies.
Two degree Field
(2dF) QSO redshift survey: will determine the large scale tridimensional structure of the universe up to z~0.1 by measuring the redshift of 250,000 galaxies.

+On-line UV survey data

Alexis
An EUV/X-ray satellite surveying the sky to map the diffuse soft X-ray background, to study flaring stars and make observations of EUV sources.

+On-line radio survey data

NVSS
NRAO VLA Sky Survey cover the sky northof dec.-40 degr. Frequency - 1.4GHz, resolution - 45", limiting brightness - 2.5 mJy/beam
DRAGN Atlas
FIRST
VLA Faint Images of the Radio Sources at 20 cm

+On-line multi-wavelength data

SKYVIEW
An interface to obtain images from radio through gamma ray wavelengths
SkyCat
HST, ESO's NTT and CFHT archives
Astronomical Digital Image Library
"books" with FITS images taken at different wavelengths.

+Catalogues and databases

Centre des Donneés Astronomiques de Strasbourg (CDS)
NASA Extragalactic Database (NED)
National Space Science Data Center (NSSDC)
data obtained with several NASA missions. Not only astronomical images and spectra are included, but also space plasma data and Earth and space photographs.
High Energy Astrophysics Science Archive Reserch Center (HEASARC)
Astronomical Data Center (ADC)
More than 800 catalogs and 750tables culled from the literature. The ADC produced 3 CD-ROMs with astronomical catalogs (a fourth one will be available at the end of 1997). A list of the recently incorporated catalogs is included in the monthly ADC Newsletter distributed electronically and also stored at the ADC site.
Lyon-Meudon Extragalactic Data Base (HyperLEDA)
3 million objects, of which 1.5 million are galaxies.

+Time services

+Software

IRAF
The most widely used astronomical reduction and analysis package is IRAF.
ASDS
The Astronomical Software Directory Service (http://asds.stsci.edu/asds/) is a collection of software-related documents and the means for performing full-text searches on them. This collection is made of the high level package descriptions and on-line documentation.Users can browse the contents or list their software in the ASDS.
Selected packages are available on-line at the Starlink Software Store. The distribution method is changing as the primary method will be by CD-ROM instead.

IDL
The Interactive Data Language (IDL) developed by RSI is widely used for reduction and analysis. It is a commercial package with ports to many systems from laptops to workstations.

Linux for astronomy

The Random Factory publishes a CD-ROM with a collection of the most popular reduction and analysis astronomical software that run under the Linux operating system.
The packages include:

  • AIPS and MIRIAD for radioastronomy
  • IRAF and MIDAS
  • GIPSY and Karma for image processing
  • PGPLOT/PGPERL for plotting and visualization
  • NEMO for stellar dynamics simulations
  • SAOImage and SAOtng for image display
  • StarBase an astronomy database

+Spaceflight news

+Solar System tours


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