J/A+AS/115/81 A CS(2-1) survey of UC HII regions (Bronfman+, 1996)
A CS(2-1) survey of IRAS point sources with color characteristics of
ultra-compact H II regions
Bronfman L., Nyman L.-A., May J.
<Astron. Astrophys. Suppl. Ser. 115, 81 (1996)>
=1996A&AS..115...81B 1996A&AS..115...81B (SIMBAD/NED BibCode)
ADC_Keywords: H II regions ; Radio lines ; Infrared sources
Keywords: Galaxy: structure - infrared: interstellar: continuum -
interstellar medium : clouds - interstellar medium: H II regions -
interstellar medium: molecules - radio lines: molecular
Description:
We have made a complete survey of the CS(2-1) emission toward IRAS
point sources in the galactic plane. The sources observed were
selected according to their far infrared (FIR) colors, which are
characteristic of UC HII regions. They have 25µm/12µm flux
ratios larger than 3.7 and 60µm/12µm flux ratios larger than
19.3. The survey covered a region from b=-2deg to b=2deg from l=300deg
to l=0deg and from l=0deg to l=60deg, and from b=-4deg to b=4deg
elsewhere. We detected 843 sources out of 1427 sources observed. The
distributions of detected and undetected sources in a FIR color-color
diagram show some differences, suggesting that more than one type of
object is present in our observed sample.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 48 1449 CS(2-1) survey of UC HII regions
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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2- 8 F7.3 deg GLON Galactic longitude
10- 15 F6.3 deg GLAT Galactic latitude
17- 22 F6.1 km/s VLSR ? Mean local standard rest velocity
24- 28 F5.2 K Tmb ? Line intensity
30- 33 F4.1 km/s DeltaV ? Line width
35- 45 A11 --- IRAS IRAS source identification
47- 48 A2 --- Telescope [SO*] Telescope used for the observation (1)
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Note (1): S= SEST (Swedish-ESO Submillimiter Telescope)
O= OSO (Onsala Space Observatory)
*= respective spectrum is of poor quality
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(End) Simona Mei [CDS] 07-Sep-1995