323 datasets found

Keywords: h i line emission

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  • HI properties of spiral and irregular galaxies

    We present the analysis of neutral hydrogen properties of 108 galaxies, based on short 21-cm observations with the Westerbork Synthesis Radio Telescope (WSRT). The results of...
  • HI observations of dwarf galaxies in voids

    We report HI-observations of a sample of 43 optically selected galaxies from the Heidelberg-void project. Only emission-line galaxies have been selected. The HI-detection rate...
  • HI survey of polar ring galaxies. II.

    We present the results of a neutral hydrogen survey conducted with the 100-m radiotelescope at Effelsberg of 44 northern objects in the polar-ring galaxy atlas of Whitmore et...
  • Leiden/Argentine/Bonn (LAB) Survey of Galactic HI

    The LAB survey contains the final data release of observations of 21-cm emission from Galactic neutral hydrogen over the entire sky, merging the Leiden/Dwingeloo Survey (LDS:...
  • Atlas of Galactic Neutral Hydrogen

    The Leiden/Dwingeloo HI survey mapped the 21-cm spectral line emission over the entire sky above declinations of -30 degrees using a grid spacing of ~ 0.5 degree and a velocity...
  • Bell Laboratories H I Survey

    The sky north of declination -40{deg} was observed in the 21cm line of atomic hydrogen with the FWHM=2{deg} beam of the 20 foot horn reflector at AT&T Bell Laboratories,...
  • FUGIN. VII. Galactic plane HI clouds

    We analyze molecular-gas formation in neutral atomic hydrogen (HI) clouds using the latest CO data, obtained from the FOREST (four-beam receiver system on the 45m telescope)...
  • High galactic latitude HI absorption survey

    We have used the Giant Meterwave Radio Telescope (GMRT) to measure the Galactic HI 21-cm line absorption towards 102 extragalactic radio continuum sources, located at high...
  • Ly{alpha} absorbers redshifts

    We present redshift-space two-point ({xi}), three-point ({dzeta}), and reduced three- point (Q) correlation of Ly{alpha} absorbers (Voigt profile components having HI column...
  • The bTFr of MIGHTEE-H I spiral galaxies

    Using a sample of 67 galaxies from the MeerKAT International GigaHertz Tiered Extragalactic Exploration Survey Early Science data, we study the H I-based baryonic Tully-Fisher...
  • HI global scaling relations in WISE-WHISP

    We present the global scaling relations between the neutral atomic hydrogen gas, the stellar disc, and the star-forming disc in a sample of 228 nearby galaxies that are both...
  • Radio tails of galaxies in the Coma cluster

    Previous studies have revealed a population of galaxies in galaxy clusters with ram pressure stripped (RPS) tails of gas and embedded young stars. We observed 1.4GHz continuum...
  • LSBG HI and optical properties

    We present a study of the HI and optical properties of nearby (z<=0.1) Low Surface Brightness galaxies (LSBGs). We started with a literature sample of ~900 LSBGs and divided...
  • GAMA blue spheroids within 87 Mpc

    In this paper, we test if nearby blue spheroid (BSph) galaxies may become the progenitors of star-forming spiral galaxies or passively evolving elliptical galaxies. Our sample...
  • Extremely Isolated Galaxies. II.

    We have selected a sample of 41 extremely isolated galaxies (EIGs) from the local Universe using both optical and HI Arecibo Legacy Fast ALFA survey redshifts. Narrow-band...
  • HAPLESS galaxies sample

    We present the properties of the first 250 {mu}m blind sample of nearby galaxies (15<D<46Mpc) containing 42 objects from the Herschel Astrophysical Terahertz Large Area...
  • HI-galaxy cross-correlation at z<~1

    We present a new optical spectroscopic survey of 1777 'star-forming' ('SF') and 366 'non-star-forming' ('non-SF') galaxies at redshifts z~0-1 (2143 in total), 22 AGN and 423...
  • 2MTF. HI observations of 303 southern galaxies

    We present new 21-cm neutral hydrogen (HI) observations of spiral galaxies for the 2MASS Tully-Fisher (2MTF) survey. Using the 64-m Parkes radio telescope multibeam system we...
  • Cosmic flows observations

    The neutral hydrogen properties of 1822 galaxies are being studied with the Green Bank 100-m and the Parkes 64-m telescopes as part of the 'Cosmic Flows' programme. Observed...
  • GALEX Arecibo SDSS survey (GASS)

    We introduce the GALEX Arecibo SDSS Survey (GASS), an on-going large programme that is gathering high quality HI-line spectra using the Arecibo radio telescope for an unbiased...
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