791 datasets found

Keywords: radio astronomy

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  • Nancay Decameter Array observation database

    Decametric radio observation from Nancay decameter array. The Nancay Decameter Array (NDA) at the Station de Radioastronomie de Nancay (SRN) is a phased array of 144 "Teepee"...
  • Confused NRT HI spectra

    We present a compendium of HI 21-cm line observations of circumstellar envelopes (CSEs) of 290 evolved stars, mostly (~84%) on the asymptotic giant branch (AGB), made with the...
  • HCN/HCO+ ratio for AGN

    The identification of AGN and SB regions in galaxies is crucial for understanding the role of various physical processes in galaxy evolution. Molecular line ratios, such as the...
  • K-band images of star-forming regions

    We present deep, wide-field, Ks-band (2.14-micron) images towards 87 southern massive star formation regions traced by methanol maser emission. Using point-spread function...
  • Damped Lyman alpha absorption of QSOs

    We present a catalogue of the 322 damped Lyman alpha absorbers taken from the literature. All damped Lyman alpha absorbers are included, with no selection on redshift or quasar...
  • Infall motions in massive star-forming regions

    In this work, we aim to characterize high-mass clumps with infall motions. We selected 327 clumps from the Millimetre Astronomy Legacy Team 90-GHz survey, and identified 100...
  • MMB Survey ex-OH catalogue

    We present the results of the first complete unbiased survey of the Galactic plane for 6035-MHz excited-state hydroxyl (ex-OH) masers undertaken as part of the methanol...
  • H_2_/HI ratio in galaxies

    We revisit the mass ratio {eta}galaxy between molecular hydrogen (H2) and atomic hydrogen (HI) in different galaxies from a phenomenological and theoretical viewpoint. Cone...
  • SED of 180 SIMBA 1.2mm sources

    Concatenating data from the millimetre regime to the infrared, we have performed spectral energy distribution (SED) modelling for 227 of the 405 millimetre continuum sources of...
  • A VLBA Survey of radio stars in the ONC. I.

    We present first results of a four-epoch VLBA survey for nonthermal emission toward all 556 compact radio sources previously identified in a deep VLA survey of the Orion Nebula...
  • C/2012 F6 (Lemmon) and C/2012 S1 (ISON) maps

    Results are presented from the first cometary observations using the Atacama Large Millimeter/Submillimeter Array (ALMA), including measurements of the spatially resolved...
  • Multiwavelength survey of HII regions in NGC 300

    We present the results of a galaxy-wide study of molecular gas and star formation in a sample of 76 H II regions in the nearby spiral galaxy NGC 300. We have measured the...
  • DISCS. II. Southern sky disk data

    This is the second in a series of papers based on data from DISCS, a Submillimeter Array observing program aimed at spatially and spectrally resolving the chemical composition...
  • Star formation efficiency in galaxies

    We propose an "extended Schmidt law" with explicit dependence of the star formation efficiency (SFE=SFR/M_gas_) on the stellar mass surface density ({Sigma}star). This relation...
  • Molecular and atomic gas in the LMC. II.

    We compare the CO (J=1-0) and HI emission in the Large Magellanic Cloud in three dimensions, i.e., including a velocity axis in addition to the two spatial axes, with the aim of...
  • Radio and UV spectra of HVC toward the MC

    In the spectra of 139 early-type Large Magellanic Cloud (LMC) stars observed with Far Ultraviolet Spectroscopic Explorer and with deep radio Parkes HI 21cm observations along...
  • CH_3_OH maser survey of EGOs

    We present the results of a high angular resolution Very Large Array (VLA) Class I 44GHz and Class II 6.7GHz CH_3_OH maser survey of a sample of ~20 massive young stellar object...
  • Water maser survey

    We report on the most sensitive water maser survey toward Bok globules to date, performed using NASA's 70m antenna at Robledo de Chavela (Spain). We observed 207 positions...
  • Medicina 6.7GHz methanol masers survey

    File table2 contains the name of the sources and their coordinates (1950) observed, but not detected, with the Medicina Radiotelescope at 6.7GHz in 1995, March. Source are...
  • Dense molecular cores. VII.

    We searched the IRAS point source catalogue (Cat. ) for possible associations with our targets. In table 2, we list the sources from this catalogue located within 5' from the...
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