679 datasets found

Keywords: ultraviolet astronomy

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  • Star-forming knots in NGC 4194 center

    We report high-resolution ultraviolet and visible-wavelength imaging of the blue compact galaxy NGC 4194 (the Medusa) using the Hubble Space Telescope. A complete sample of 38...
  • UBVRI photometry of EUV stellar sources

    We present the results of high-precision UBV(RI)c photometric observations and of spectroscopic radial velocity measurements obtained at the European Southern Observatory for a...
  • Vacuum ultraviolet emission band systems of N2

    Observed wavenumbers of the emission lines belonging to 10 vacuum ultraviolet band systems of molecular nitrogen are classified into 283 bands, 220 of them reported for the...
  • Atomic data

    (no description available)
  • UV bright star-forming galaxies spectra

    We present a comprehensive analysis of the presence of very massive stars (VMS>100M_{sun}) in the integrated spectra of 13 UVbright star-forming galaxies at 2.2<~z<~3.6...
  • Merging galaxies in isolated env.

    Extragalactic surveys provide significant statistical data for the conditions. These quantities are derived using manual or automatic methods for disturbances, star-forming...
  • UMISSP - UV to Mid-Infrared SSP spectra

    we aim to characterize the properties of the stellar populations in the central few hundred parsecs of nearby galactic nuclei: age, mass, and 3D geometry. We use spatially...
  • [Mg/Fe] and [Ca/Fe] abundances of XSL

    The X-shooter Spectral Library (XSL) is a large empirical stellar library used as a benchmark for the development of stellar population models. The inclusion of alpha-elements...
  • Halpha images of 6 lenticular galaxies

    As part of the Virgo Cluster Survey Tracing Ionised Gas Emission, a blind narrow-band H{alpha}+[NII] imaging survey of the Virgo cluster carried out with MegaCam at the CFHT, we...
  • MUSE-Wide+MUSE-Deep EWs of Lyman{alpha} emitters

    The hydrogen Lyman{alpha} line is often the only measurable feature in optical spectra of high-redshift galaxies. Its shape and strength are influenced by radiative transfer...
  • MUSE Catalog of UV emission line measurement

    Rest-frame ultraviolet (UV) emission lines probe electron densities, gas-phase abundances, metallicities, and ionization parameters of the emitting star-forming galaxies and...
  • Aperture photometry of the M31 PHAT clusters

    This study is the sixth of a series that investigates degeneracy and stochasticity problems present in the determination of the age, mass, extinction, and metallicity of...
  • NGVS 3543 images at 8 wavelengths

    The interaction of galaxies with their environment plays an important role in their evolution. Ultra-diffuse galaxies (UDGs) have been found in large numbers in clusters. We...
  • O(3P) + H2(v, j)-->OH + H:OH reactions

    The reaction between atomic oxygen and molecular hydrogen is an important one in astrochemistry as it regulates the abundance of the hydroxyl radical and serves to open the...
  • The C^+^ ion photofragment spectra

    Carbon monoxide (CO) is one of the most abundant molecular species in comets. Its photodissociation by the solar radiation in the vacuum ultraviolet (VUV) region produces...
  • ALPINE-ALMA [CII] survey. IR luminosity

    We present dust attenuation properties of spectroscopically confirmed star forming galaxies on the main sequence at a redshift of ~4.4-5.8. Our analyses are based on the far...
  • ALPINE DR1 merged catalog

    The ALPINE-ALMA large program targets the [CII] 158um line and the far-infrared continuum in 118 spectroscopically confirmed star-forming galaxies between z=4.4 and z=5.9. It...
  • J-PLUS Ly{alpha}-emitting candidates

    We present the photometric determination of the bright-end of the Ly{alpha} luminosity function (at L_Ly{alpha}>~10^43.5^erg/s) within four redshifts windows...
  • Mean rest-UV spectra of Ly{alpha} emitters at z>3

    We investigate the ultraviolet (UV) spectral properties of faint Lyman{alpha} emitters (LAEs) in the redshift range 2.9<=z<=4.6 and provide material to prepare future...
  • VUDS UV and Ly{alpha} luminosity functions

    The star formation rate density (SFRD) evolution presents an area of great interest in the studies of galaxy evolution and reionization. The current constraints of SFRD at...
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