904 datasets found

Keywords: galaxy classification systems

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  • X-ray properties of ASCA objects

    Utilizing ASCA archival data of about 300 objects of elliptical galaxies, groups, and clusters of galaxies, we performed systematic measurements of the X-ray properties of hot...
  • Relativistic jets from black hole systems

    Black holes generate collimated, relativistic jets, which have been observed in {gamma}-ray bursts (GRBs), microquasars, and at the center of some galaxies [active galactic...
  • Catalog of FR-II radio galaxies

    We present an independent catalog (FRIIRGcat) of 45241 Fanaroff-Riley Type II (FR-II) radio galaxies compiled from the Very Large Array Faint Images of the Radio Sky at...
  • ALMA-QUARKS Survey. I.

    This paper presents an overview of the QUARKS survey, which stands for "Querying Underlying mechanisms of massive star formation with ALMA-Resolved gas Kinematics and...
  • Blue-core galaxies properties

    We select 107 blue-core galaxies from the MaNGA survey, studying their morphology, kinematics as well as the gas-phase metallicity. Our results are as follows: (i) In our...
  • C- and S-shaped radio galaxies

    We study the environment of radio galaxies with different morphological types using the Proctor sample, which was built from the Faint Images of the Radio Sky at...
  • Candidate members of 4 stellar streams

    We present candidate members of the Pal 5, GD-1, Cetus Polar and Orphan tidal stellar streams found in LAMOST DR3, SDSS DR9 and APOGEE catalogs. In LAMOST DR3, we find 20, 4 and...
  • LAMOST luminous infrared galaxies

    We report the discovery of 64 luminous infrared galaxies, based on new observations of 20 square degrees from the LAMOST Complete Spectroscopic Survey of Pointing Area at the...
  • RACS VI. RACS-high 1655.5MHz catalogue

    We have conducted a widefield, wideband, snapshot survey using the Australian SKA Pathfinder (ASKAP) referred to as the Rapid ASKAP Continuum Survey (RACS). RACS covers ~90% of...
  • Rapid ASKAP Continuum Survey. V. 1367.5MHz

    The Australian SKA Pathfinder (ASKAP) has surveyed the sky at multiple frequencies as part of the Rapid ASKAP Continuum Survey (RACS). The first two RACS observing epochs, at...
  • New Galactic embedded cluster candidates

    We carried out a search for new infrared star clusters, stellar groups and candidates using WISE images, which are very sensitive to dust emission nebulae. We report the...
  • Bar formation in disk galaxies

    Bars are elongated structures that extend from the centre of galaxies, and about one-third of disk galaxies are known to possess bars. These bars are thought to form either...
  • Cores detected at 1.3mm in W43-MM1

    Understanding the processes that determine the stellar initial mass function (IMF) is a critical unsolved problem, with profound implications for many areas of astrophysics. In...
  • Nearby young star clusters

    Efforts to unveil the structure of the local interstellar medium and its recent star-formation history have spanned the past 70 years. Recent studies using precise data from...
  • Galaxies at 0.02<z<0.1 morphological catalog

    We applied the image-based approach with a convolutional neural network model to the sample of low-redshifts galaxies with absolute magnitudes -24<M_r_<19.4 mag from the...
  • ELAIS N1 source catalogue at 1250MHz

    Understanding the spectral properties of sources is crucial for the characterization of the radio source population. In this work, we have extensively studied the ELAIS N1 field...
  • Catalog of galaxy structures based on the MRSS

    We present a catalogue of galaxy structures (groups and clusters) found in an area of 5000 square degrees in the southern hemisphere. The catalogue, which we call the PF...
  • Study of PGC-54-like galaxies

    With the improved Peng's method, we have made the image processing and spiral arm fitting of the newly released spiral galactic images of Sloan Digital Sky Survey (SDSS), and...
  • 2MASS-selected Flat Galaxy Catalog (2MFGC)

    An all-sky catalog of 18020 disc-like galaxies is presented. The galaxies are selected from the Extended Source Catalog of the Two Micron All-Sky Survey (XSC 2MASS) basing on...
  • RATAN-600 RC radio sources

    We use the RATAN-600 radio telescope for picking up the most distant objects in the Universe. As a first step, about 100 steep spectrum FRII radio galaxies (SS FRII RG) from the...
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