11,605 datasets found

Keywords: galactic and extragalactic astronomy

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  • GALEX/Spitzer photometry in NGC 7331

    We present images of NGC 7331 obtained with GALEX and Spitzer, tracing UV and IR signatures of star formation. NGC 7331's morphology at 8-850um is dominated by a central dust...
  • XUV-Disk galaxies in the Local Universe

    We have initiated a search for extended ultraviolet disk (XUV-disk) galaxies in the local universe. Here we compare GALEX UV and visible-NIR images of 189 nearby (D<40Mpc)...
  • Keck DEIMOS spectroscopy of GALEX sources

    We report results from a pilot program to obtain spectroscopy for objects detected in the Galaxy Evolution Explorer (GALEX) Medium Imaging Survey (MIS). Our study examines the...
  • UV-Luminous galaxies discovered by GALEX

    We report on the properties of a sample of ultraviolet-luminous galaxies (UVLGs) selected by matching the Galaxy Evolution Explorer (GALEX) All-Sky Imaging and Medium Imaging...
  • UV-Optical galaxy color-magnitude diagram I.

    We have analyzed the bivariate distribution of galaxies as a function of ultraviolet-optical colors and absolute magnitudes in the local universe. The sample consists of...
  • DES-DR1 z survey collection

    The Dark Energy Survey (DES) is a 5000 square degree grizY survey of the Southern sky aimed at understanding the accelerating expansion rate of the Universe. DES is using four...
  • Compact extragalactic radio sources

    We have used the Very Large Array to search for compact milliarcsecond-size radio sources near methanol masers in high-mass star-forming regions. Such sources are required for...
  • Spectrophotometry of nearby galaxies

    We present integrated optical spectrophotometry for a sample of 417 nearby galaxies. Our observations consist of spatially integrated, S/N=10-100 spectroscopy between 3600 and...
  • AGNs as seen by Apertif and LOFAR

    We present two new radio continuum images obtained with Apertif at 1.4GHz. The images, produced with a direction-dependent calibration pipeline, cover 136 square degrees of the...
  • EXtended-UV galaxies surface brightness

    Extended-UV (XUV) galaxies are galaxies presenting an extended outer ultraviolet disks. Although some Giant Low Surface Brightness (GLSB) galaxies are also XUV, their relation...
  • AGN observations obtained at FAI

    The database of Active Galactic Nuclea (AGN) photometrical observations obtained on defferent telescopes at Fesenkov Astrophysical Institute, Almaty, Kazakhstan since 2016....
  • Candidate mpc separation massive BH binaries

    The role of mergers in the evolution of massive black holes is still unclear,and their dynamical evolution, from the formation of pairs to binaries and the final coalescence,...
  • VVV NIRGC III

    The distribution of galaxies in the Zone of Avoidance (ZoA) is incomplete due to the presence of our own Galaxy. Our research focused on the identification and characterisation...
  • VMC Survey. Anomalous Cepheids in MC

    Anomalous Cepheids (ACs) are pulsating variable stars, and are less studied compared to the well-known Classical Cepheids (CCs) and RR Lyrae stars. The ACs are metal poor...
  • Nest200047 Chanfra and XMM images

    Galaxy groups are more susceptible to feedback from the central active galactic nuclei (AGN) due to their lower gravitational binding energy compared to clusters. This makes...
  • Gas and dust in DustPedia galaxies

    Molecular gas is the key ingredient of the star formation cycle, and tracing its dependencies on other galaxy properties is essential for understanding galaxy evolution. In this...
  • Solar analogs abundances

    The aim of this work was to obtain precise atmospheric parameters and chemical abundances automatically for solar twins, in order to find signatures of exoplanets, assess how...
  • NED image data atlas

    NED service to search for images in NED by Object Name or by position and radius, or refcode.
  • NED SED Data for object name

    NED service to retrieve Photometry for a named object. This service retrieves photometric data for a named object. The data include continuum measurements spanning the...
  • NED SED Data Discovery Service

    NED SED Information Discovery Request service: This service retrieves photometry for objects within a specified radius of a given position. The search region is specified by...
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