Astrofísicas: Galaxias

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    Is the initial mass function of low surface brightness galaxies dominated by low-mass stars?
    The rotation curves of low surface brightness (LSB) galaxies suggest that they possess significantly higher mass-to-light (M/L) ratios than their high surface...
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    Is the X-Ray Spectrum of the Seyfert 2 Galaxy NGC 5252 Intrinsically Flat?
    The first X-ray observation of the Seyfert 2 galaxy NGC 5252 is reported. ASCA Astro-D collected approximately 4000 photons per detector, enough to perform an...
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    ISOCAM observations in the Lockman Hole. I. The 14.3 μm shallow survey: Data reduction, catalogue, and optical identifications
    We present the image and catalogue of the 14.3 μ shallow survey of 0.55 square degrees in the region of the Lockman Hole (10^h52^m03^s +57°21'46'', J2000) with...
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    Isolated galaxies in the Local Group .
    Dwarf galaxies in the Local Group allow to study in great detail the physical mechanisms responsible for the formation and evolution of galaxies. In fact, their...
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    It takes a supercluster to raise a galaxy
    The properties of galaxies depend on their environment: red, passive elliptical galaxies are usually located in denser environments than blue, star-forming...
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    J-NEP: 60-band photometry and photometric redshifts for the James Webb Space Telescope North Ecliptic Pole Time-Domain Field
    The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will observe approximately one-third of the northern sky with a set of 56...
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    J-PLUS: a catalogue of globular cluster candidates around the M 81/M 82/NGC 3077 triplet of galaxies
    Globular clusters (GCs) are proxies of the formation assemblies of their host galaxies. However, few studies exist targeting GC systems of spiral galaxies up to...
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    J-PLUS: Bayesian object classification with a strum of BANNJOS
    Context. With its 12 optical filters, the Javalambre-Photometric Local Universe Survey (J-PLUS) provides an unprecedented multicolor view of the local Universe...
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    J-PLUS: Detecting and studying extragalactic globular clusters. The case of NGC 1023
    Context. Extragalactic globular clusters (GCs) are key objects in studies of galactic histories. The advent of wide-field surveys, such as the Javalambre...