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11 resources.		Showing 1 to 11.

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Natural Satellites Service(NSS)
Combined databases, satellite theories and ephemerides of natural planetary satellites. Information and tools for studying dynamics of natural satellites. The final result of the research is to have a tool for the calculation of ephemerides.

Solar system, planet satellites

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Pulkovo Near-Earth Objects Page(Pulkovo NEO Page)
Near-Earth objects are asteroids and comets that can approach the Earth's orbit. This web page contains information about various theoretical and observational aspects of the Pulkovo NEO activity. Some items deal with a more wide class of minor bodies of the Solar system. You can find here the answers to some questions along with some ephemerides and lists.

Near Earth objects, asteroids, comets

SKYSERVICE

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Evolution of Radio Galaxies Informational System and Archive of Radio Galaxies Observations(Evolution of Radio Galaxies)
The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. Requesting and filling in the standard HTML-forms a user will be able to select different types of curves or trust to do this to a computer by the Chi^2 method. The input forms contain information about input filters or wavelengths and corresponding magnitudes. Another possibilitiesare supposed to be supported: sorted bibliographical collection of papers for different stages of radio galaxy evolution, archive of radio galaxies data in different wavelength ranges. The HTTP and e-mail access is organized to this system. A result is supposed to be written in ASCII tables and sent to users.

Radio Galaxies, spectral energy distribution, ages, redshifts

SKYSERVICE

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Clusters of Galaxies database(Clusters of Galaxies)
The Sobolev Astronomical Institute of the St.-Petersburg State University supports the service on assignment of clusters data. At present the optical and radio data of ACO clusters of galaxies are reasonably complete in our database. Later on, we also intend to include X-ray data and data about brightest cluster galaxies (BCG).

Clusters of Galaxies

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Sternberg Astronomical Institute Supernova Catalog(SAI SNCat)
The current version of SAI Supernova Catalogue presents data on 3170 extragalactic supernovae discovered since 1885 until September 20, 2005 and on their parent galaxies. Supernovae are ordered by their numbers, assigned by the Central Bureau for Astronomical Telegrams of International Astronomical Union. The Supernova Catalogue is updated regularly. The main source of data for supernovae are the IAU Circulars. If these data are refined or modified in subsequent publications, the Catalogue is correspondingly updated. The identification of parent galaxies, which is simple and unambiguous for bright nearby objects, becomes more difficult as the number of faint distant supernovae is growing. Besides, the difficulties arise when supernova was discovered in multiple system of galaxies or in a peculiar galaxy. That is why for every supernova its neighborhood was investigated on the Digitized Sky Survey to determine the most probable parent galaxy. The multiplicity of the parent g

Supernova

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Isolated Neutron Stars(INS)
Various materials on isolated neutron stars. Bibliographic data base, reviews, descriptions of different types of INS, selected objects, etc.

Isolated Neutron Stars

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Observations of IR Astronomy Group of SAI MSU with Crimean observatory 1.25 m (JHKLM) and 0.6 m (UBV) telescopes(Observations of IR Astronomy Group of SAI MSU)
The observations of various objects are made on a 1.25-meter telescope of the Crimean observatory with the help of InSb photometer in a JHKLM bands and on a 0.6-meter telescope in filters UBV. The basic objects of observations - Novae, symbiotic, Post-AGB, RV Tau stars, FG Sge, Sakurai's object etc.

Novae, symbiotic, Post-AGB, RV Tau stars, FG Sge, Sakurai's object etc.

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Database "Stellar Spectra"(Stellar Spectra)
The database contains: - ARCHIVE of two-dimensional CCD-frames; - SOFTWARE for image processing - ARCHIVE of one-dimensional spectra extracted from two-dimensional CCD echelle-frames - SOFTWARE for spectrophotometric and positional reduction of one dimensional spectra. - Representative SPECTRAL ATLASES of typical stars at different stages of evolution - The CATALOGUE of equivalent widths in spectra of F-K stars developed by Klochkova V.G., Panchuk V.E. and Tavolganskaya N.S. - SOFTWARE for analysis of observing data by the model atmosphere method. - The CATALOGUE of spectral photoplates obtained at the Main Stellar Spectrograph of the 6m telescope.

stellar spectra

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The Massive Compact Halo Object Project (MACHO) Image Download Service(MACHO Image Download)
The MACHO Project was a collaboration between scientists at the Mt. Stromlo & Siding Spring Observatories, the Center for Particle Astrophysics at the Santa Barbara, San Diego, & Berkeley campuses of the University of California, and the Lawrence Livermore National Laboratory. Our primary aim was to test the hypothesis that a significant fraction of the dark matter in the halo of the Milky Way is made up of objects like brown dwarfs or planets: these objects have come to be known as MACHOs, for MAssive Compact Halo Objects. The signature of these objects is the occasional amplification of the light from extragalactic stars by the gravitational lens effect. The amplification can be large, but events are extremely rare: it was necessary to monitor photometrically several million stars for a period of 10 years in order to obtain a useful detection rate. For this purpose we built a two channel system that employed eight 2048*2048 CCDs, mounted on the 50 inch telescope at Mt. Stromlo. We ha

The MACHO project data archive consists of approximately 127,000 two-colour images of fields covering the large and small Magellanic clouds and the galactic bulge, and two-colour light-curves for approximately 18 million stars in the LMC and galactic bulge. This data was collected over an approximately ten year period from 1992 to 2003.

SKYSERVICE

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Digitized First Byurakan Survey Web Interface(DFBS_WI )
Objective-prism spectra automatically extracted from the digitized plates of the First Byurakan Survey. The spectra are about 100 pixels long and cover the range 3700-6900 A. An approximate wavelength scale is provided, while the intensity scale is in arbitrary units and not corrected for the spectral sensitivity of the photographic emulsion (IIaF). A web interface for interactive and batch data retrieval is available.

spectroscopy, spectra

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Arecibo Galaxy Environment Survey(AGES)
The Arecibo Galaxy Environment Survey (AGES) is an intermediate depth HI survey with the Arecibo L-band Feed Array (ALFA) multibeam instrument. When completed, it will cover an area of 200 sq. deg. to an integration time of 300 s/beam. Thirteen areas of sky have been selected, covering the full range of environments from the Local Void through isolated galaxies, galaxy pairs and galaxy groups to the Virgo Cluster. The survey products include catalogs with extracted measurements and HI parameters, as well as integrated HI spectral profiles.

Galaxies,Neutral Hydrogen,Radio,Arecibo,Sky survey,ALFA

SKYSERVICE

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Sponsored by the National Science Foundation under Cooperative Agreement AST0122449 with
The Johns Hopkins University. Developed in collaboration with the International Virtual Observatory Alliance.