23,982 datasets found

Keywords: observational astronomy

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  • VERITAS Source Catalog

    The Very Energetic Radiation Imaging Telescope Array System (VERITAS) is a major ground-based gamma-ray observatory operating at the Fred Lawrence Whipple Observatory (FLWO) in...
  • Vela 5B All-Sky Monitor Lightcurves

    Data for these sources were obtained from the Vela 5B all-sky XC detector. The Vela 5B nuclear test detection satellite was part of a program run jointly by the Advanced...
  • Updated Zwicky Catalog

    The Zwicky Catalog of Galaxies, with a magnitude limit m<sub>Zw</sub> <= 15.5, has been the basis for the Center for Astrophysics (CfA) redshift surveys. To date,...
  • Upper Sco XMM-Newton X-Ray Point Source Catalog

    The authors studied the X-ray emission from young stars by analyzing the deep (a ~53 ks exposure centered at a J2000.0 RA and Dec of 16 14 00.0, -23 00 00 and a ~43 ks exposure...
  • HIPS Survey:Ultradeep survey using the ESO Vista surveys telescope: Band H

    UltraVISTA is an Ultra Deep, near-infrared survey with the new VISTA surveys telescope of the European Southern Observatory (ESO). Over the course of 5 years, UltraVISTA will...
  • Ultraluminous X-Ray Sources in Nearby Galaxies Catalog

    One hundred and seven ultraluminous X-ray sources (ULXs) with 0.3-10.0 keV luminosities in excess of 10<sup>39</sup> erg s<sup>-1</sup> are identified in...
  • Ultraviolet Imaging Telescope Master Catalog

    The Ultraviolet Imaging Telescope (UIT) was one of three ultraviolet telescopes on the ASTRO-1 mission flown on the Space Shuttle Columbia during the period of 2 - 10 December...
  • Ultraviolet Imaging Telescope Near-UV Bright Objects Catalog

    The Ultraviolet Imaging Telescope (UIT) Near-UV Bright Objects Catalog is a photometric catalog of 2244 objects detected by the UIT in the near-ultraviolet (NUV;...
  • Uhuru Fourth (4U) Catalog

    The Fourth Uhuru (4U) Catalog lists 339 X-ray sources that were observed with the Uhuru (SAS A) X-ray observatory. It contains positional information in the form of 90%...
  • 7C Catalog 151-MHz Survey Final Unified Source Catalog

    This table contains a final unified catalog for the 7C survey at 151 MHz with a spatial resolution of 70 x 70cosec(Dec) arcsec<sup>2</sup>. This has been constructed...
  • Einstein Two-Sigma Catalog

    The X-ray sources from observations made with the Einstein Observatory (HEAO-2) Imaging Proportional Counter (IPC) that have intensities of 2-sigma or more above the background...
  • UKIRT Infrared Deep Survey J-band

    The UKIDSS survey is the next generation infrared survey, a successor to 2MASS. It will ultimately cover 7000 square degrees in the northern sky at both high and low...
  • 2MASS Redshift Survey (2MRS) Catalog

    This table is based on the results of the 2MASS Redshift Survey (2MRS), a ten-year project to map the full three-dimensional distribution of galaxies in the nearby universe. The...
  • 2dF QSO Redshift (2QZ) Survey

    The final catalog of the 2dF QSO Redshift Survey (2QZ) is based on Anglo-Australian Telescope 2dF spectroscopic observations of 44,576 color-selected (u,...
  • Trifid Nebula (M 20) Chandra X-Ray Point Source Catalog

    This table contains a list of the Trifid Nebula (M 20) X-Ray point sources detected by the Chandra X-ray Observatory (CXO) in an observation carried out on 2002 June 13. The...
  • Two-Meter Radio Mini Survey (T-RaMiSu) of the Bootes Field

    This table contains results from wide-area, deep, high-resolution 153-MHz GMRT observations of the NOAO Bootes field, adding to the extensive, multi-wavelength data of this...
  • EXOSAT TGS Spectra and Lightcurves

    Spectra obtained using the EXOSAT transmission grating spectrometer, TGS. There are two databases TGS and TGS2 as follows: <pre> * TGS - the grating spectra averaged over...
  • EXOSAT TGS L and R Orders

    Spectra obtained using the EXOSAT transmission grating spectrometer, TGS. There are two databases TGS and TGS2 as follows: <pre> * TGS - the grating spectra averaged over...
  • Texas Survey of Radio Sources at 365 MHz

    This catalog is from the Texas Survey of discrete radio sources between -35.5 degrees and +71.5 degrees declination (B1950), which was carried out at a frequency of 365 MHz (82...
  • TD1 Stellar Ultraviolet Fluxes Catalog

    The Belgian/UK Ultraviolet Sky Survey Telescope (S2/68) in the ESRO TD1 satellite carried out a controlled scan of the entire sky. It measured the absolute ultraviolet flux...
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