J/A+A/554/A128 NGC 6824 and UGC 11919 data cubes (Saburova+, 2013)
WSRT observations and surface photometry of two unusual spiral galaxies.
Saburova A.S., Jozsa G.I.G., Zasov A.V., Bizyaev D.V.
<Astron. Astrophys. 554, A128 (2013)>
=2013A&A...554A.128S 2013A&A...554A.128S
ADC_Keywords: Galaxies, photometry ; Radial velocities
Keywords: galaxies: kinematics and dynamics - galaxies: individual: NGC 6824 -
galaxies: structure - galaxies: photometry - galaxies: spiral -
galaxies: individual: UGC 11919
Abstract:
We discuss the results of a mass decomposition of two spiral galaxies,
NGC 6824 and UGC 11919. In a previous analysis of the Hyperleda
catalog, the galaxies were identified as having a peculiar dynamical
mass-to-light ratio. The aim of this study is to confirm or disprove
the preliminary findings, indicating a non-standard stellar initial
mass function (IMF) for the galaxies. The surface photometry in B,V,
and R bands was carried out with the Apache Point 0.5-m telescope and
the HI data cubes were obtained with the Westerbork Synthesis Radio
Telescope (WSRT). Photometric profiles were decomposed into bulge and
exponential disk components.
Description:
Processed HI data cubes obtained with the Westerbork Synthesis Radio
Telescope (WSRT) for UGC11919 and NGC6824. The cubes were inverted
using a Robust weighting of 0.4 and averaged over 4 channels. For
UGC11919 the second cube is given (u11919_2.fits) created with a
Robust weighting of 0.4, a tapering of 30", and averaging 4 channels.
For more details see paper.
Objects:
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RA (2000) DE Designation(s)
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19 43 40.67 +56 06 34.0 NGC 6824 = NGC 6824
22 08 10.57 +41 10 38.4 UGC 11919 = UGC 11919
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
list.dat 83 3 List of FITS data cube
fits/* . 3 Individual FITS data cube
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Byte-by-byte Description of file: list.dat
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Bytes Format Units Label Explanations
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1- 9 F9.5 deg RAdeg Right Ascension of center (J2000)
10- 18 F9.5 deg DEdeg Declination of center (J2000)
20- 23 F4.1 arcsec/pix Scale Scale of the image
25- 28 I4 pix Nx Number of pixels along X-axis
29 A1 --- --- [x]
30- 33 I4 pix Ny Number of pixels along Y-axis
34 A1 --- --- [x]
35- 37 I3 pix Nz Number of slices
39- 49 E11.6 m/s HVmin Lower value of Heliocentric velocity interval
50 A1 --- --- [/]
51- 61 E11.6 m/s HVmax Upper value of Heliocentric velocity interval
63- 69 F7.2 m/s dHV Velocity step
71- 83 A13 --- FileName Name of FITS file in subdirectory fits
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Acknowledgements:
Anna Saburova, saburovaann(at)gmail.com
(End) Anna Saburova [SAI MSU], Patricia Vannier [CDS] 06-May-2013