Dataset : Characterising low-mass dense cores with the Onsala 20m radiotelescope

General metadata
Identifiers :
local : FR-18008901306731-2021-05-21-03
external :
doi:10.25666/DATAUBFC-2021-05-21-03
Description :
The data set contains spectra of rotational emission of 12CO, 13CO, C18O (J=1-0), CS (2-1), and N2H+ (J=1-0) for 159 low-mass sources from the dense-core catalogue of the Galactic Cold Cores programme (Montillaud et al. 2015, A&A). The spectra were obtained by pointed observations using the Onsala 20m radiotelescope (Sweden). The observation programme aims at characterising low-mass sources, to investigate their role in the star formation process, particularly for low-mass stars.
Discipline :
astronomy & astrophysics (sciences of the universe)
Keyword :
Dates :
Data acquisition : from 18 Jan 2019 to 28 Jan 2019
Data provision : 1 Dec 2021
Metadata record :
Creation : 21 May 2021
Update : 18 Jun 2021
Audience :
Research

Collection |
---|
Quotation
Julien Montillaud (2021): Characterising low-mass dense cores with the Onsala 20m radiotelescope. CDS. doi:10.25666/DATAUBFC-2021-05-21-03
Coverages
Administrative metadata
Data creator :
Julien Montillaud [1] [2]
Project member :
Céline Reylé [1] [2],
Charlotte Vastel [3],
Laszlo Viktor Toth [4],
Mika Juvela [5],
Isabelle Ristorcelli [3],
Orsolya Feher [6]
[1] : Institut UTINAM (UMR 6213) (Université de Franche-Comté)
[2] : Observatoire des Sciences de l'Univers - Terre, Homme, Environnement, Temps, Astronomie (UAR 3245) (Université de Franche-Comté)
[3] : Institut de Recherche en Astrophysique et Planétologie (UMR 5277)
[4] : Eötvös Lorand University
[5] : University of Helsinki
[6] : Institut Radio Astronomie Millimétrique (UAR 2074)
Publisher :
Centre des Données astronomiques de Strasbourg
Projects and funders :
-
Caractériser la queue à faible masse de la fonction de masse des cœurs denses
- SRO OSU THETA 2019 (OSU)
-
Galactic Cold Cores : étude des premières phases de la formation stellaire
- Physique et Chimie du Milieu Interstellaire (PCMI) - CNRS INSU (National program)
Access :
restricted
Access details :
To access the data, please contact the scientific data manager.
Technical metadata
Formats : application/fits
Data acquisition methods :
- Observational data : Pointed observations with the OSA (for CO isotopologues and CS) and SPE (for N2H+) instruments on the Onsala 20m telescope. Spectral resolutions are between 5 kHz and 80 kHz and sensitivity of the order of RMS(Ta*) = 50 mK (down to 20 mK at 12 kHz resolution for some N2H+ observations).
Datatype : Dataset