The Cologne Database for Molecular Spectroscopy, CDMS, in the Virtual Atomic and Molecular Data Centre, VAMDC

Abstract

The CDMS was founded 1998 to provide in its catalog section line lists of molecular species which may be observed in various astronomical sources using radio astronomy. The line lists contain transition frequencies with qualified accuracies, intensities, quantum numbers, as well as further auxilary information. They have been generated from critically evaluated experimental line lists, mostly from laboratory experiments, employing established Hamiltonian models. Seperate entries exist for different isotopic species and usually also for different vibrational states. As of December 2015, the number of entries is 792. They are available online as ascii tables with additional files documenting information on the entries. The Virtual Atomic and Molecular Data Centre was founded more than 5 years ago as a common platform for atomic and molecular data. This platform facilitates exchange not only between spectroscopic databases related to astrophysics or astrochemistry, but also with collisional and kinetic databases. A dedicated infrastructure was developed to provide a common data format in the various databases enabling queries to a large variety of databases on atomic and molecular data at once. For CDMS, the incorporation in VAMDC was combined with several modifications on the generation of CDMS catalog entries. Here we introduce related changes to the data structure and the data content in the CDMS. The new data scheme allows us to incorporate all previous data entries but in addition allows us also to include entries based on new theoretical descriptions. Moreover, the CDMS entries have been transferred into a mySQL database format. These developments within the VAMDC framework have been driven by the needs of the astronomical community to be able to deal efficiently with large data sets obtained with the Herschel Space Telescope or, more recently, with the Atacama Large Millimeter Array.

16 pages, no tables, 2 figures; Journal of Molecular Spectroscopy, Special Issue on Databases, accepted. Abstract slightly modified because of character limit

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Cited by in corpus (340)

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• Molecular deuterations in massive Starless Clump Candidates
• Rotational spectroscopy $n$-propanol: $Aa$ and $Ag$ conformers
• Submillimeter-wave spectroscopy of the CH${}_3$O radical
• A quest for sulfur-bearing refractory species. Identification of CaS in the interstellar medium
• Spectroscopic Detection and Characterization of Cyanooxomethylium, NCCO${}^{+}$
• A high-resolution spectroscopic analysis of aminoacrylonitrile and an interstellar search towards G+0.693
• ALMA observations of massive clouds in the central molecular zone: slim filaments tracing parsec-scale shocks
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• Deuterium fractionation in cold dense cores in the low-mass star forming region L1688
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• Molecular inventory of a young eruptive star's environment -- Case study of the classical FU Orionis star V1057 Cyg
• Measurements of Titan's Stratospheric Winds during the 2009 Equinox with the eSMA
• Continuum, CO and Water vapour maps of the Orion Nebula. First millimetre spectral imaging with Concerto
• Protostellar Interferometric Line Survey of the Cygnus-X region (PILS-Cygnus) -- The role of the external environment in setting the chemistry of protostars
• First Detections of PN, PO, and PO+ toward a Shocked Low-mass Starless Core
• The SKA as a prebiotic molecule detector
• Sulfur oxides tracing streamers and shocks at low mass protostellar disk-envelope interfaces
• Laboratory astrophysics: key to understanding the Universe
• High Resolution Overtone Spectroscopy of HNC${}^{+}$ and HCN${}^{+}$
• Unmasking the physical information inherent to interstellar spectral line profiles with Machine Learning. I. Application of LTE to HCN and HNC transitions
• Discovery of widespread non-metastable ammonia masers in the Milky Way
• Investigation of the rotational spectrum of CH${}_3$${}^{17}$OH and its tentative detection toward Sagittarius B2(N)
• First detection of deuterated methylidyne (CD) in the interstellar medium
• Identification of molecular line emission using Convolutional Neural Networks
• CAB: Towards the RNA-world in the interstellar medium -- detection of urea, and search of 2-amino-oxazole and simple sugars
• Hunting pre-stellar cores with APEX: overview
• Gas-phase Elemental abundances in Molecular cloudS (GEMS) XI. The evolution of HCN, HNC, and N2H+ isotopic ratios in starless cores
• Molecular complexity on disk-scales uncovered by ALMA: The chemical composition of the high-mass protostar AFGL 4176
• Molecules with ALMA at Planet-forming Scales (MAPS). XV. Tracing protoplanetary disk structure within 20 au
• The LMT 2 millimeter receiver system (B4R). II. Science demonstration observations toward Orion-KL/OMC-1
• High-angular-resolution ALMA imaging of the inhomogeneous dynamical atmosphere of the asymptotic giant branch star W Hya
• Using HITRAN to Model Opacities for Planetary Atmospheres: Test case of Microwave Spectra of NH${}_3$, SO${}_2$ and PH${}_3$
• Rotational spectroscopy of the thioformaldehyde isotopologues H${}_2$CS and H${}_2$C${}^{34}$S in four interacting excited vibrational states and an account on the rotational spectrum of thioketene, H${}_2$CCS
• Deep search for hydrogen peroxide toward pre- and protostellar objects -- Testing the pathway of grain surface water formation
• Expanding the C${}_3$H${}_6$O${}_2$ Isomeric Interstellar Inventory: Discovery of Lactaldehyde and Methoxyacetaldehyde in G+0.693-0.027
• Interrelations between Astrochemistry and Galactic Dynamics
• Role of NH3 Binding Energy in the Early Evolution of Protostellar Cores
• 3 mm Spectroscopic Observations of Massive Star-Forming Regions with IRAM 30-m
• Charting circumstellar chemistry of carbon-rich asymptotic giant branch stars. II. Abundances and spatial distributions of CS
• Ammonia in the hot core W51-IRS2: Maser line profiles, variability, and saturation
• Post-Outburst Chemistry in a Very Low-Luminosity Object: Peculiar High Abundance of Nitric Oxide
• PRODIGE - envelope to disk with NOEMA: VII. (Complex) organic molecules in the NGC1333 IRAS4B1 outflow: A new laboratory for shock chemistry
• A Large-scale Approach to Modelling Molecular Biosignatures: The Diatomics
• CHemical Evolution in MassIve star-forming COres (CHEMICO). I. Evolution of the temperature structure
• Spectral survey of the diffuse gas toward BL Lac in the Q band
• APEX survey of interstellar HCl: ${}^{35}$Cl/${}^{37}$Cl isotopic ratios in dense cores and outflows
• First detection of CF${}^{+}$ in the Large Magellanic Cloud
• A meta-analysis of molecular spectroscopy databases, and prospects of molecule detection with some future facilities
• Spatial distribution of organics in the Horsehead nebula: Signposts of chemistry driven by atomic carbon
• Carbon chain diversity in L1544 and IRAS 16293-2422: an astrochemical pathfinder study for the SKAO
• HOTDISK. Finding Massive Protostellar Disks with Water and Refractory Molecular Species
• ALMAGAL VIII. Early phases of triggered star formation in source AG286.0716$-$1.8229
• The factors that influence protostellar multiplicity II. Gas temperature and mass in Perseus with APEX
• Synthetic observations using POLARIS: an application to simulations of massive prestellar cores
• Unveiling Fiber Networks and Core Formation in the DR21 South Filament
• Hunting for methanol in the water rich, planet forming disk around HL Tau
• Synthesis and Spectroscopic Characterization of Interstellar Candidate Ethynyl Thiocyanate: HCCSCN
• First detection of a deuterated molecule in a starburst environment within NGC 253
• Deuterium fractionation and CO depletion in Barnard 5
• Protoplanetary Disk Chemistry
• Exploring the 100 au Scale Structure of the Protobinary System NGC 2264 CMM3 with ALMA
• Rotational Spectroscopy as a Tool to Study Vibration-Rotation Interaction: Investigations of ${}^{13}$CH${}_3$CN and CH${}_3$${}^{13}$CN up to $v_8=2$ and a Search for $v_8=2$ Transitions toward Sagittarius B2(N)
• The 107 GHz methanol transition is a dasar in G0.253+0.016
• Precursors of the RNA-world in space: Detection of ($Z$)-1,2-ethenediol in the interstellar medium, a key intermediate in sugar formation