Access to Astronomical Catalogues

← Click to display the menu
J/A+A/599/A109      Draco nebula Herschel 250um map   (Miville-Deschenes+, 2017)

Structure formation in a colliding flow: The Herschel view of the Draco nebula. Miville-Deschenes M.-A., Salome Q., Martin P.G., Joncas G., Blagrave K., Dassas K., Abergel A., Beelen A., Boulanger F., Lagache G., Lockman F.J., Marshall D.J. <Astron. Astrophys. 599, A109 (2017)> =2017A&A...599A.109M (SIMBAD/NED BibCode)
ADC_Keywords: Molecular clouds ; Photometry, millimetric/submm Keywords: turbulence - methods: data analysis - ISM: individual objects: Draco nebula - ISM: kinematics and dynamics - ISM: structure - Galaxy: halo Abstract: The Draco nebula is a high Galactic latitude interstellar cloud observed at velocities corresponding to the intermediate velocity cloud regime. This nebula shows unusually strong CO emission and remarkably high-contrast small-scale structures for such a diffuse high Galactic latitude cloud. The 21cm emission of the Draco nebula reveals that it is likely to have been formed by the collision of a cloud entering the disk of the Milky Way. Such physical conditions are ideal to study the formation of cold and dense gas in colliding flows of diffuse and warm gas. The objective of this study is to better understand the process of structure formation in a colliding flow and to describe the ects of matter entering the disk on the interstellar medium. We conducted Herschel-SPIRE observations of the Draco nebula. The clumpfind algorithm was used to identify and characterize the small-scale structures of the cloud. Description: Draco was observed with Herschel PACS (110 and 170um) and SPIRE (250, 350 and 500um) as part of the open-time program "First steps toward star formation: unveiling the atomic to molecular transition in the diffuse interstellar medium" (P.I. M-A Miville-Deschenes). A field of 3.85x3.85 was observed in parallel mode. Unfortunately, an error occurred during the acquisition of the PACS data making them unusable. Therefore, the results presented here are solely based on SPIRE data, especially the 250um map that has the highest angular resolution. Objects: ----------------------------------------------------- RA (2000) DE Designation(s) ----------------------------------------------------- 16 52 +61.0 Draco nebula = NAME Draco Nebula ----------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file list.dat 118 1 Informations on fits image fits/* 0 1 Fits image
See also: J/A+A/364/712 : BV photometry in Draco molecular cloud (Penprase+, 2000) Byte-by-byte Description of file: list.dat
Bytes Format Units Label Explanations
1- 9 F9.5 deg RAdeg Right Ascension of center (J2000) 10- 18 F9.5 deg DEdeg Declination of center (J2000) 20- 23 I4 --- Nx Number of pixels along X-axis 25- 28 I4 --- Ny Number of pixels along Y-axis 30- 34 I5 Kibyte size Size of FITS file 36- 64 A29 --- FileName Name of FITS file, in subdirectory fits 66-118 A53 --- Title Title of the FITS file
Acknowledgements: Marc-Antoine Miville-Deschenes, marc-antoine.miville-deschenes(at)ias.u-psud.fr
(End) Patricia Vannier [CDS] 07-Mar-2017
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

catalogue service

© UDS/CNRS

Contact