J/AJ/131/1501 Intermediate-velocity clouds in the CGPS (Kerton+, 2006)
Intermediate-velocity gas in the Canadian Galactic Plane Survey.
Kerton C.R., Knee L.B.G., Schaeffer A.J.
<Astron. J., 131, 1501-1514 (2006)>
=2006AJ....131.1501K 2006AJ....131.1501K (SIMBAD/NED BibCode)
ADC_Keywords: Interstellar medium ; Molecular clouds ; Radio lines
Keywords: structure - ISM: clouds - ISM: structure - radio lines: ISM - surveys
Abstract:
We present observations of intermediate-velocity clouds (IVCs) found
at positive velocities in the Canadian Galactic Plane Survey Phase I
region (74°<l<148°,-3.5°<b<+5.6°). A catalog of 138
distinct IVCs and 13 IVC complexes has been compiled.
Description:
To provide short-spacing data for the DRAO interferometer HI
observations, a complementary single-dish survey was undertaken using
the 26m antenna at DRAO.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 92 138 CGPS phase I positive velocity IVCs
table2.dat 46 13 CGPS phase I positive-velocity IVC regions
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See also:
B/cgps : Log of CGPS exposures (Taylor+, 2003-)
J/ApJ/626/195 : HI self-absorption (HISA) survey in the CGPS (Gibson+, 2005)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 3 I3 --- IVC Running IVC number ([KKS2006] IVC NNN in Simbad)
5- 19 A15 --- Name IVC l,b,v identification
21- 27 F7.3 deg GLON Galactic longitude
29- 34 F6.3 deg GLAT Galactic latitude
36- 40 F5.2 km/s VLSR Centroid Velocity
42- 48 F7.3 deg GLONmin Minimum longitude of IVC
50- 56 F7.3 deg GLONmax Maximum longitude of IVC
58- 63 F6.3 deg GLATmin Minimum latitude of IVC
65- 70 F6.3 deg GLATmax Maximum latitude of IVC
72- 76 F5.2 km/s Vmin Minimum velocity of IVC
78 I1 --- f_Vmin [0/1] Flag for low velocity blend (1)
80- 84 F5.2 km/s Vmax Maximum velocity of IVC
86 I1 --- f_Vmax [0/1] Flag for emission past high velocity limit
(2)
88- 92 F5.2 K Tb Average brightness temperature
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Note (1): 1 = emission blends with allowed emission
Note (2): 1 = emission extends beyond high velocity limit of survey
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Complex Sequential region number
([KKS2006] IVC Complex NN in Simbad)
4- 9 F6.3 deg GLONmin Minimum galactic longitude
11- 16 F6.3 deg GLONmax Maximum galactic longitude
18- 23 F6.3 deg GLATmin Minimum galactic latitude
25- 30 F6.3 deg GLATmax Maximum galactic latitude
32- 36 F5.2 km/s Vmin Minimum velocity
38 I1 --- f_Vmin [0/1] Flag on VLSRmin (1)
40- 44 F5.2 km/s Vmax Maximum velocity of the IVC complex
46 I1 --- f_Vmax [0] Flag on VLSRmax
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Note (1): A "1" indicates that the IVCs blend into low-velocity allowed
emission.
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Marianne Brouty [CDS] 13-Sep-2006