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Combined Database of Sunspot Magnetic Fields(SUNSPOTS)
The database contains data of magnetic field observations obtained in several observatories of Russia and FSU countries during many years of observations. Now the longest period of time (1957-1997) are presented by data, obtained by Pulkovo observatory observations which are presented in Pulkovo database of sunspot magnetic fields. In 2001 to the combined database data of another observatories of former USSR were added, which were collected in periods of 1957-1961 and 1968-1972 years. The frame of the database consists of values of maximal strength and polarity of sunspots, determined by Zeemann splitting of some lines of the solar spectrum.

Sun, sunspots

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Polar-Ring Galaxies (PRGs)
The web page contains reference information, bibliography and images for Polar-ring galaxies (PRGs) which are among the most interesting and mysterious examples of interactions between galaxies.

Polar-Ring Galaxies

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The catalog of line-of-sight velocities and proper motions of the OB-associations ()
The catalogue contains information on kinematics for the 81 OB-associations.

Kinematics of the OB-associations

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Absolute Proper Motions of 331 Open Clusters ()
The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. 1992). The proper motions included into this catalog have been derived as the coordinate differences between Guide Star Catalog of the Hubble Space telescope and the computer-readable version of the Astrographic Catalog, also known as the Carte du Ciel catalog (Kuimov et al. 1992), and reduced to PPM system of proper motions.

Proper motions of the open clusters

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Selected observations of cataclysmic variables()
Selected observations of cataclysmic variables; list of Moscow collection astroplates

Cataclysmic variables

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Accurate positions of variable stars in the western part of the Large Magellanic Cloud bar ()
Accurate positions of variable stars in the western part of the Large Magellanic Cloud bar - compiled catalog

Variable stars, Large Magellanic Cloud bar

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The catalog of X-ray pulsars(X-ray pulsars)
Compilative catalog of X-ray pulsars

X-ray pulsars

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Catalog of Be/X-ray binary stars(Be/X-ray binaries)
The compilative catalog of Be/X-ray binary stars

Be/X-ray binary stars

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Viking 2 Biology Experiment(Viking 2 Biology)
Viking 2 Gas Exchange, Labeled Release, and Pyrolytic Release Data on Microfilm. These data, supplied by the investigation team, are on 16-mm microfilm and consist of descriptions of the commands that were sent to operate the three instruments, and tabulations of raw and reduced data returned. The command data include: Mars time for each experiment sequence, the commands sent, predicted data points for each command file that were used to time tag the data when it came back from the instrument, and a summary of the major events of each command sequence.

biology, astrobiology, Gas Exchange, Pyrolytic, Labeled Release

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Viking 1 Biology Experiment(Viking 1 Biology)
Viking 1 Gas Exchange, Labeled Release, and Pyrolytic Release Data on Microfilm. These data, supplied by the investigation team, are on 16-mm microfilm and consist of descriptions of the commands that were sent to operate the three instruments, and tabulations of raw and reduced data returned. The command data include Mars time for each experiment sequence, the commands sent, predicted data points for each command file that were used to time tag the data when it came back from the instrument, and a summary of the major events of each command sequence.

astrobiology, biology, gas exchange, pyrolytic, labeled release

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OAO-2 Ultraviolet Spectra: An Atlas of Stellar Spectra(OAO-2)
This data set is a subset of ultraviolet stellar spectra comprising the highest quality data obtained with both spectrometers aboard the OAO 2. The first file of the data set contains ultraviolet stellar fluxes for 164 bright stars in the spectral range between 1200 to 1300 A, with resolutions of about 22 A in the region from 3600 to 1850 A and about 12 A in the region from 1850 to 1160 A. Files 2 and 3 contain spectra for 132 stars in the region 1200-1850 A and 34 stars in the region 1800-3600 A, respectively, with resolutions as stated above. The data have been published in graphical and tabular form by A.D. Code and M.R. Meade, Astrophys. J. Suppl., v. 39, p. 195, 1979; M.R. Meade and A.D. Code, Astrophys. J. Suppl., v. 42, p. 283, 1980.

ultraviolet stellar spectra, bright stars, catalog, fluxes

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Skylab Catalog of Far-Ultraviolet Objective-Prism Spectrophotometry(Skylab FUV )
This data set is a machine-readable version of the catalog of Far-Ultraviolet Objective-Prism Spectrophotometry (S-019). The data are on one ASCII tape with two files, created on an IBM 3081 computer. The data set contains arrays of ultraviolet flux measurements at wavelengths of 1300 to 4200 A. The spectra were digitized with a PDS 1010 A microdensitometer, and each spectrum was scanned in a series of strips 30 microns wide. This catalog contains data on 494 stars. The data on each star are quite complex and include a number of parameters in addition to the adopted fluxes. Accompanying this data set is a copy of a document entitled "Documentation for the Machine-Readable Version of the Catalogue of Far-Ultraviolet Objective-Prism Spectrophotometry: Skylab Experiment S-019, Ultraviolet Stellar Astronomy" by R.S. Hill and L.E. Brotzman, 1984 (B35702-000A). For more information on this data set, see the above document or contact Dr. Karl Henize, Code SN3, NASA Johnson Space Center, Houst

FUV, far-ultraviolet spectra, objective prism, Skylab, stellar catalog, solar astronomy

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ISEE-1 Energetic Ion Mass Spectrometer Data(ISEE Ion Data)
Ion data from the Plasma Composition Experiment on ISEE-1 consist of a combination of (a) velocity moments for the four principal magnetospheric ion species H+, He++, He+, and O+, calculated in two different ways (using two different sets of assumptions) and covering the 0.01-0.1 and 0.1-16 keV/e energy ranges, (b) energy-angle spectra for the same four ions plus O++, covering the 0.01-17.9 keV/e range, and (c) mass spectra (<1 amu/e to about 150 amu/e) for four energy ranges, all derived once per each complete energy-mass scan cycle of the instrument, or once each 1- to 20-minute interval, depending on mode of operation, as well as (d) "total ion" moments, derived once per energy scan and assuming total count rate is due to H+ ions (0.1-16 keV).

solar wind, space plasma, ions, magnetic fields, mass spectra, energy spectra, velocity moments, heliospheric, magnetospheric physics

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NSSDC National Space Science Data Center(NSSDC)
NSSDC is the permanent archive for NASA space science mission data: astronomy and astrophysics, solar and space plasma physics, and planetary and lunar science. As permanent archive, NSSDC teams with NASA's discipline-specific space science "active archives" which provide access to data to researchers and to the general public. NSSDC also serves as NASA's primary active archive for space physics mission data and for selected NASA astrophysics missions. It provides access to several geophysical models and to data from some non-NASA mission data. In addition to supporting active space physics and astrophysics researchers, NSSDC also supports the general public both via several public-interest web-based services (e.g., the Photo Gallery) and via the offline mailing of CD-ROMs, photoprints, and other items. NSSDC provides online information about NASA and non-NASA spacecraft and experiments, and about data management standards and technologies.

data repositories, deep archive, permanent archive, space physics, solar astronomy, astrophysics, planetary astronomy, heliophysics, space plasmas

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ISEE-1 Ion Composition Data Parameter Plots(ISEE-1 Ion Plots)
These hardcopy plots were provided as a supplement to the digital data from the Plasma Composition Experiment (NSSDC data set 77-102A-12I). A subset of the data in the digital data files is plotted in graphical form in a series of booklets, one booklet for each month of data. There are two pages of graphs for each day, and each page has a stack of 7 panels showing the variation of different parameters during the course of a 12-hour Universal Time interval. Panel 1 (top panel) shows densities of He++, He+, and O+ ions, and the "total" ion density (per cubic meter); Panel 2 shows He++/H+ density ratio; Panel 3 shows ion "thermal" energy (eV); Panel 4 shows "thermal" energy density multiplied by 2/3 along with the magnetic pressure (eV/m^3) and field strength (nT); Panel 5 shows ion drift speed (meters/sec) in the GSE X-Y plane; Panel 6 shows magnetic field elevation angle (degrees) relative to the GSE X-Y plane; Panel 7 shows ion drift angle and the magnetic longitude angle.

solar wind, space plasmas, ion composition, heliophysics, magnetophysics, mass spectra

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The WBVR catalogue of Bright northern stars (The WBVR catalogue of Bright northern stars)
Photoelectric measurements of more than 13 500 stars have been made with a four-channel photometer attached to 48-cm reflector of the Tien Shan High Altitude Station of the Sternberg Astronomical Institute during 1985 - 1988. The program, observational details, photometric equipment and reduction procedures used are described. Particular attention is paid to definition of the photometric WBVR system of the catalogue. The stability of photometric system has been assured by taking into account temporal and temperature shifts of the photometric passbands. These shifts were obtained from the analysis of observational data. Estimates of the accuracy of the photometry are presented. A study of completeness of the catalogue shows that it contains more than 95% of all stars with V < 7m2.

WBVR photometry of bright stars

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Spectral atlas for two peculiar high luminous stars IRC+10420 and MWC314 (Spectral atlas)
The spectral atlas for two peculiar high luminous stars IRC+10420 and MWC314 is published in the frame of preparation of Representative SPECTRAL ATLASES of typical stars at different stages of evolution.

Spectral atlases for two peculiar high luminous stars IRC+10420 and MWC314

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The Catalog of Magnetic Chemically Peculiar Stars(Catalog of Magnetic CP Stars)
On the basis of analysis of original publications and authors measurements a Cataloque of magnetic chemically peculiar (CP) upper-main sequence stars has been established. The sample includes 212 magnetic CP stars with magnetic fields ranging from hundreds of gauss to dozens of kilogauss, for 49 of them the surface magnetic field (B_e) has been measured from the Zeeman splitting.

Magnetic chemically peculiar (CP) upper-main sequence stars

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The Catalogue of Multiple System Components(The Catalogue of Multiple System Components)
The catalogue contains 1581 stars - multiple system components. Spectral class, rotational velocity and period (when known) are indicated.

Stars - multiple system components

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The Johns Hopkins University. Developed in collaboration with the International Virtual Observatory Alliance.