11,892 datasets found

Keywords: galactic and extragalactic astronomy

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  • Morphology in DECaLS galaxies

    Galaxy morphology encodes key information about formation and evolution. Large imaging surveys require automated, reproducible methods beyond visual inspection. Nonparametric...
  • Limb-brightened jet in 3C 84 images

    Relativistic jets launched by active galactic nuclei are fundamental for understanding the physics of accreting supermassive black holes and their immediate environment, but the...
  • J-PLUS DR3 stellar mass function SFR gal.

    We derive the stellar mass function (SMF) of quiescent and star-forming galaxies at z<=0.2 using 12-band (five broad plus seven narrow) photometry from the Javalambre...
  • Hubble Missing Globular Cluster Survey. III.

    The Hubble Missing Globular Cluster Survey (MGCS) has taken one of the last opportunities to complete the census of Galactic globular clusters (GCs) started by past Hubble Space...
  • z~1 star-forming galaxies Tully-Fisher relation

    Extending local kinematic studies to earlier cosmic times is valuable to understand how galaxies evolve in relation to their dark matter haloes. In a series of papers on lensed...
  • Swift-BAT 150-month hard X-ray catalog ctps

    We present a comprehensive catalog of 251 potential counterparts for 250 unassociated hard X-ray sources detected in the Swift- Burst Alert Telescope (BAT) 150-month hard X-ray...
  • Magellanic Bridge photometric catalogue - STEP

    The Magellanic Clouds (MCs) offer a unique laboratory for studying galaxy interaction and the evolution of dwarf galaxies. The star formation history (SFH), which traces when...
  • M99 dust properties and photometry with NIKA2

    Large dust grains in thermal equilibrium dominate the far-infrared emission of star-forming galaxies and contribute substantially to their millimetre continuum. Constraining...
  • Milky Way halo Gaia DR3 RR Lyrae stars

    The Milky Way (MW) stellar halo, containing debris from past accretion events, serves as a fossil record of hierarchical mass assembly. Due to their distinct properties, RR...
  • IceCube neutrinos-CAZ blazar light curves assoc.

    The IceCube Neutrino Observatory has detected several hundred high-energy neutrinos from cosmic sources. Despite numerous studies searching for their origin, it is still not...
  • 7918 blazar-selected AGN CAZ catalog and LC

    Active Galactic Nuclei (AGN) are some of the brightest and most variable objects in the universe. Those with relativistic jets observed at small viewing angles are blazars. Due...
  • Major merger classification in COSMOS-Web

    Galaxy major mergers are a potential mechanism for triggering active galactic nuclei (AGN) activity, but their role remains debated, particularly beyond the local Universe. We...
  • ZTF LC analysis of Fermi LAT (4LAC-DR3) AGNs

    The variability mechanisms from jetted active galactic nuclei (AGNs) are still under debate. Here, the damped random walk (DRW) model, implemented through Gaussian processes...
  • NOEMA [CII] images in luminous galaxies

    We present observations from the Northern Extended Millimeter Array (NOEMA) of four luminous galaxies at z~6, when the Universe was less than 1Gyr old. These galaxies are...
  • B supergiants in the LMC

    Luminous blue variables (LBVs) exhibit unique variability features, characterized by episodic outbursts (>1mag) accompanied by spectroscopic changes (S Dor variables). It is...
  • Gaia DR3. Cross-match with known variable objects

    In current astronomical surveys with ever-increasing data volumes, automated methods are essential. Objects of known classes from the literature are necessary to train...
  • POPSTAR with Salpeter (1955) IMF with m=(0.15-100)Msun.

    PopStar Evolutionary synthesis models. Using IMF from Salpeter (1955) with m=(0.15-100)Msun. This grid of Single Stellar Populations covers a wide range in both, age and...
  • POPSTAR with Salpeter (1955) IMF with m=(0.85-120)Msun.

    PopStar Evolutionary synthesis models. Using IMF from Salpeter (1955) with m=(0.85-120)Msun. This grid of Single Stellar Populations covers a wide range in both, age and...
  • POPSTAR with Kroupa IMF

    PopStar Evolutionary synthesis models. Using IMF from Kroupa (2002). This grid of Single Stellar Populations covers a wide range in both, age and metallicity. The models use the...
  • POPSTAR with Ferrini IMF

    PopStar Evolutionary synthesis models. Using IMF from Ferrini, Penco, Palla (1990). This grid of Single Stellar Populations covers a wide range in both, age and metallicity. The...
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