J/AZh/71/37 Thermal Methanol from 33 Clouds at 48 GHz (Slysh+, 1994)
Detection of Thermal Methanol Emission from 33 Hot and Cold Clouds at 48 GHz
Slysh V.I., Bachiller R., Berulis I.I., Valtts I.E., Gomez-Gonzalez J.,
Kalenskii S.V.
<Astron. Zh. 71, 37 (1994)>
=1994AZh....71...37S 1994AZh....71...37S
ADC_Keywords: Interstellar medium ; Masers ; Radio lines
Keywords: Interstellar medium, molecular cloud: masers, radio lines
Description:
A search for thermal emission in the 10-00A+ methanol line was
made at a frequency of 48.4GHz toward many celestial molecular clouds.
The line was found in 33 clouds, and the methanol abundance varied
over a large interval from 10-9 to 10-7.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 110 40 Methanol at 48 GHz: positive results
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Byte-by-byte Description of file: table1
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Bytes Format Units Label Explanations
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1- 15 A15 --- Name Name of the source
17- 18 A2 --- Rem1 ? Note (1)
20- 21 I2 h RAh Right ascension (1950)
23- 24 I2 min RAm Right ascension (1950)
26- 29 F4.1 s RAs Right ascension (1950)
32 A1 --- DE- Declination sign
33- 34 I2 deg DEd Declination (1950)
36- 37 I2 arcmin DEm Declination (1950)
39- 40 I2 arcsec DEs Declination (1950)
43- 47 F5.1 km/s Vlsr Velocity
50- 52 F3.1 km/s e_Vlsr ? Uncertainty in Vlsr
55- 59 F5.2 km/s DV Line width
61- 64 F4.2 km/s e_DV ? Uncertainty in DV
67- 71 F5.2 K.km/s Ico ? CO intensity integrated over the whole line
(in K.km/s, TA* scale).
74- 77 F4.2 K.km/s e_Ico ? Rms uncertainty on I(TA*)
80- 85 F6.1 cm-2 Nmet ? Methanol column densities
88- 92 F5.1 --- Xmet ? Methanol abundances
94 A1 --- Rem2 [a-c]? Note (1)
98-102 F5.1 K Tkin ? Kinetic temperature
105-106 I2 --- r_Nmet ? Reference for Column densities (2)
109-110 I2 --- r_Tkin ? Reference for kinetic temperatures (2)
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Note (1):
a: NH2 was obtained by using N(C18O) from Myers et al., 1983ApJ...264..517M 1983ApJ...264..517M
b: NH2 was obtained with the data of Wouterloot et al., 1988A&A...203..367W 1988A&A...203..367W
c: NH2 was obtained with the data of Fisher et al. 1985ApJ...293..508F 1985ApJ...293..508F
d: The detection may be false because of the uncertain zero level.
e: also observed at 48 GHz by Bachiller et al. 1990A&A...236..461B 1990A&A...236..461B
f: also observed at 48 GHz by Barrett et al., 1972ApJ...178L..23B 1972ApJ...178L..23B
g: also observed at 48 GHz by Val'tts et al., 1991AZh....68..456V 1991AZh....68..456V
Note (2): References:
25. Menten et al., 1986A&A...157..318M 1986A&A...157..318M
27. Casoli et al., 1986A&A...169..281C 1986A&A...169..281C
29. Benson & Myers, 1989ApJS...71...89B 1989ApJS...71...89B
30. Wilking et al., 1989ApJ...345..257W 1989ApJ...345..257W
31. Wouterloot et al., 1988A&A...203..367W 1988A&A...203..367W
32. Menten & Batrla, 1989ApJ...341..839M 1989ApJ...341..839M
34. Churchwell et al., 1992A&A...253..541C 1992A&A...253..541C
37. Campbell & Thompson, 1984ApJ...279..650C 1984ApJ...279..650C
41. Stutski et al., 1988ApJ...332..379S 1988ApJ...332..379S
48. Ho et al., 1981ApJ...246..761H 1981ApJ...246..761H
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(End) Veta Avedisova [INASAN] 30-Sep-1996