Astrofísicas: Regiones H II

  • Publicación
    The environs of the H II region Gum 31
    Aims:We analyze the distribution of the interstellar matter in the environs of the H ii region Gum 31, excited by the open cluster NGC 3324, located in the...
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    The Filling Factor-Radius Relation for 58 H II Regions across the Disk of NGC 6946
    Using the OSIRIS tunable narrowband imager on the 10.4 m GTC (La Palma), we have mapped the SAB(rs)cd galaxy NGC 6946 over a ~7.3 × 7.5 arcmin2 field in the...
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    The Galactic radial abundance gradients of C, N, O, Ne, S, Cl, and Ar from deep spectra of H II regions
    We present a reassessment of the radial abundance gradients of C, N, O, Ne, S, Cl, and Ar in the Milky Way using deep spectra of 33 H II regions gathered from...
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    The galactic wind in the circum-nuclear zone of NGC 6946
    Using the H-II region H-alpha emission detected in high-resolution long slit spectra of the normal spiral NGC 6946 out to 6 kpc from the center, and along 8...
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    The Galaxy-wide Distributions of Mean Electron Density in the H II Regions of M51 and NGC 4449
    Using Advanced Camera for Surveys-Hubble Space Telescope images to yield continuum-subtracted photometric maps in Hα of the Sbc galaxy M51 and the dwarf...
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    The giant bubble Hubble III.
    This paper presents the results of the authors' study on the giant (radius = 60 pc) extragalactic H II region Hubble III in NGC 6822. Based on the observational...
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    The Great Carina Nebula: normal or abnormal extinction?
    Not Available
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    The GTC: Status and Operation Plans
    The Gran Telescopio Canarias (GTC), a 10 meter segmented-mirror telescope, now at an advanced stage of construction on La Palma (Spain), will shortly be...
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    The HII regions of M51 and NGC 4449. Behavior of the mean electron density
    With ACS-HST images we produced continuum subtracted photometric maps in Hα for the galaxies M51 and NGC 4449. From the Hα luminosity (L), equivalent radius (R)...