Below we list some external links, related to astronomy and astrophysics, which appear interesting or relevant to us. These external sites are neither maintained nor endorsed by the Laboratory for High Energy Astrophysics. HEA Lab declines any responsibility for their contents and operation.

• Astronomy and astrophysics popular sites
  • Night Sky Info: Weekly news about the night sky and articles on selected astronomical topics
  • Russian AstroNet: Weekly news about the night sky, astronomy news, reviews, sky map, glossary, and more... but only in Russian
  • Astronomy Now: Astro News from the Astronomy Now magazine
  • Science@NASA Headline News and News Archives
  • HubbleSite NewsCenter: Collection of Hubble Space Telescope news releases and supporting materials
  • Chandra Animations and Video
  • Spacetime Wrinkles: Movies, images, and explanations related to General Relativity
  • Astronomy Picture of the Day
  • The Messier Objects: Images of the Messier Objects from the Digitized Sky Survey
  • Some Pretty Objects as observed by Sloan Digital Sky Survey (SDSS)
  • Ask an Astronomer at Cornell University.
  • AstroWeb - Astronomy on the Internet
• Physics links
  • NIST Physical Reference Data: Collection of databases on fundamental physical constants, atomic and molecular spectroscopy, X-ray and gamma-ray data, nuclear physics, and condensed matter
  • ODBC Databases: Collection of nuclear physics data bases at Lund University
  • WebElements periodic table: Information about all chemical elements
  • American Elements: More detailed information about chemical elements and related materials
  • Shock Wave Database: Collection of measurements of thermodynamic properties of matter in shock and isentropic release waves
• Principal search tools and archives for astronomy and astrophysics
  • ADS - the NASA Astrophysics Data System
    • Abstract Service
    • Preprint Service
  • CDS - Astronomical Data Center in Strasbourg
    • CDS Bibliographic Service
    • SIMBAD Astronomical Database
  • arXiv - electronic preprint archive
    • astro-ph - astrophysics electronic preprint archive
  • StarHeads: Searchable directory of personal WWW pages of professional astronomers and related space scientists
• Spectroscopy and opacity data for astrophysics
  • NIST Atomic Spectra Database
  • The OPAL Opacity Tables calculated with the OPAL Opacity Code at the Lawrence Livermore National Laboratory (USA)
  • TIPTOP base: Public, interactive database service for online computing of atomic data and opacities implemented in The Opacity Project (OP) and The IRON Project (IP)
  • Atomic Data for Astrophysics: Links to basic atomic data required for calculation of the ionization state of astrophysical plasmas and for quantitative spectroscopy. Most of these data are utilized in the photoionization code Cloudy
• Some astrophysics research groups and institutions with close or related interests
  • High Energy Astrophysics Department at IKI (Space Research Institute) in Moscow
  • Relativistic Astrophysics Department at the Sternberg Astronomical Institute of Lomonosov Moscow State University
  • Sobolev Astronomical Institute of the Saint-Petersburg State University (English page is here)
  • Pulkovo Observatory of the Russian Academy of Sciences
  • PRAO - Pushchino Radio Astronomical Observatory of the Astro Space Center of the Lebedev Physical Institute of the Russian Academy of Sciences
  • CRAL: astronomical research center in Lyon
  • CAMK: N. Copernicus Astronomical Center in Warsaw
  • Neutron Star (Theory) group at the Astronomical Institute of UNAM in Mexico
  • US / Russia collaboration in Plasma Astrophysics at the Astronomy Department of Cornell University
• Some of the astronomical observatories whose data are used in our research
  • SAO RAS - Special Astrophysical Observatory of the Russian Academy of Sciences
  • HST - Hubble Space Telescope
  • Chandra X-ray observatory
  • XMM-Newton X-ray observatory
  • Subaru telescope
  • INTEGRAL - The International Gamma-Ray Astrophysics Laboratory
  • ESO - European Southern Observatory
    • VLT - The Very Large Telescope at Cerro Paranal
    • La Silla Observatory
  • CTIO - Cerro Tololo Inter-American Observatory
  • Keck Observatory