86 datasets found

Keywords: molecular physics

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  • Splatalogue CASA LineTAP

    This is a rendering of the CASA Offline Splatalogue_ in a draft LineTAP, mainly intended to enable verification of the standard. This is not recommended for production yet. In...
  • Molecular Superbubbles in nearby galaxies

    Star formation and stellar feedback are interlinked processes that redistribute energy, turbulence, and material throughout galaxies. Because young and massive stars form in...
  • ALMA-ATOMS survey. Weak hot core candidates

    Hot cores represent critical astrophysical environments for high-mass star formation, distinguished by their rich spectra of organic molecular emission lines. Nevertheless,...
  • Oxygen-rich AGB IRAM spectra

    We aim to determine the abundances of SiO, CS, SiS, SO, and SO_2_ in a large sample of oxygen-rich asymptotic giant branch (AGB) envelopes covering a wide range of mass loss...
  • IRAS 04302+2247 CO, CS, CN, H2CO, CH3OH maps

    The chemical composition of planets is inherited from that of the natal protoplanetary disk at the time of planet formation. Increasing observational evidence suggests that...
  • Laboratory spectroscopy of isotopic c-H2C3O

    Cyclopropenone was first detected in the cold and less dense envelope of the giant molecular cloud Sagittarius B2(N). It was found later in several cold dark clouds and it may...
  • HCN and CN emission in Serpens Main region

    Ultraviolet radiation (UV) influences the physics and chemistry of star-forming regions, but its properties and significance in the immediate surroundings of low-mass protostars...
  • History independent tracers

    Molecular line emission is a powerful probe of the physical conditions of astrophysical objects but can be complex to model and it is often unclear which transitions would be...
  • HL Tau SO2 14(0-14)-13(1,13) datacube

    Planet-forming disks are not isolated systems. Their interaction with the surrounding medium affects their mass budget and chemical content. In the context of the ALMA-DOT...
  • Molecular gas in AFGL 2298

    We investigated the molecular environment of AFGL 2298, an obscured Galactic Luminous blue variable (LBV) star which hosts a highly structured circumstellar environment with...
  • NGC 1333-SE DCO+ and H13CO+ datacubes

    Electron fraction and cosmic-ray ionization rates in star-forming regions are important quantities in astrochemical modeling and are critical to the degree of coupling between...
  • Comet C/2017 E4 composition with iSHELL at NASA/IRTF

    In 2017 April, we acquired comprehensive high-resolution spectra of newly discovered comet C/2017 E4 (Lovejoy) as it approached perihelion, and before its disintegration. We...
  • HII region candidates in the OSC spiral arm

    The Outer Scutum-Centaurus (OSC) spiral arm is the most distant molecular spiral arm in the Milky Way, but until recently little was known about this structure. Discovered by...
  • M51 ISM structures from the CO maps of PAWS

    We compare the structure of molecular gas at 40pc resolution to the ability of gas to form stars across the disk of the spiral galaxy M51. We break the PdBI Arcsecond Whirlpool...
  • High-resolution FIR spectrum of anti-vinyl alcohol

    We report a detailed analysis of the high-resolution far-infrared spectrum of anti-vinyl alcohol, which has been previously identified toward Sagittarius B2(N). The {nu}15 OH...
  • Interstellar acetone (CH_3_COCH_3_) in 3 regions

    We present observations of interstellar acetone (CH_3_COCH_3_) detected in broadband line surveys in the 1.3mm band from the Caltech Submillimeter Observatory (CSO). The...
  • Molecular transitions toward NGC5128 with ALMA

    Centaurus A, with its gas-rich elliptical host galaxy, NGC 5128, is the nearest radio galaxy at a distance of 3.8Mpc. Its proximity allows us to study the interaction among an...
  • CH_3_OCH_2_OH ALMA detection in NGC 6334I

    We report the detection of interstellar methoxymethanol (CH_3_OCH_2_OH) in Atacama Large Millimeter/submillimeter Array (ALMA) Bands 6 and 7 toward the MM1 core in the high-mass...
  • Transition frequencies of ethanimine (CH_3_CHNH)

    Ethanimine, a possible precursor of amino acids, is considered an important prebiotic molecule and thus may play important roles in the formation of biological building blocks...
  • UV spectrum of molecular hydrogen in the Sun

    Ultraviolet (UV) lines of molecular hydrogen have been observed in solar spectra for almost four decades, but the behavior of the molecular spectrum and its implications for...
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