J/AZh/79/610 Methyl acetylene observations of warm clouds (Alakoz+, 2002)
Parameters of warm molecular clouds from methyl acetylene observations
Alakoz A.V., Kalenskii S.V., Promislov V.G., Johansson L.E.B., Winnberg A.
<Astron. Zh. 79, 610 (2002)>
=2002AZh....79..610A 2002AZh....79..610A
=2002ARep...46..551A 2002ARep...46..551A
ADC_Keywords: Molecular clouds; Spectrophotometry ; Radio lines
Abstract:
The results of a survey of 63 galactic star-forming region in the
6k-5k and 5k-4k methyl acetylene lines at 102.5 and 85.5GHz are
presented. Fourty-three sources were detected at 102.5GHz, and
twenty-five at 85.5GHz
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 201 44 Gaussian parameters for detected CH3CCH lines
with 1σ errors
table3.dat 65 40 Rotational temperatures and column densities
derived from the methyl acetylene observations
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Table1: Parameters of the observed methyl acetylene lines
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Transition Frequency S E(u)/h
GHz K
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60-50 102547.984 6.00 12.315
61-51 102546.024 5.83 19.300
62-52 102540.144 5.33 40.258
63-53 102530.348 4.50 75.181
64-54 102516.573 3.33 124.06
65-55 102499.110 1.83 186.88
50-40 85457.272 5.00 8.209
51-41 85455.622 4.80 15.19
52-42 85450.730 4.20 36.15
53-43 85442.528 3.20 71.07
54-44 85431.224 1.80 119.95
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S - line strength,
E(u)/h - upper-level energy for each transition
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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- 11 A11 --- Name Name of the source
13- 14 I2 h RAh Right ascension (1950)
16- 17 I2 min RAm Right ascension (1950)
19- 23 F5.2 s RAs Right ascension (1950)
26 A1 --- DE- Declination sign (1950)
27- 28 I2 deg DEd Declination (1950)
30- 31 I2 arcmin DEm Declination (1950)
33- 36 F4.1 arcsec DEs Declination (1950)
39- 42 F4.2 K.km/s I102K0 CH3CCH intensity integrated over the whole
line at 102GHz, 60-50 transition (K=0) (1)
44- 47 F4.2 K.km/s e_I102K0 Uncertainty in I102K0
50- 53 F4.2 K.km/s I102K1 CH3CCH intensity integrated over the whole
line at 102GHz, 61-51 transition (K=1) (1)
55- 58 F4.2 K.km/s e_I102K1 Uncertainty in I102K1
61 A1 --- l_I102K2 [<] Limit symbol on I102K2
62- 65 F4.2 K.km/s I102K2 ? CH3CCH intensity integrated over the whole
line at 102GHz, 62-52 transition (K=2) (1)
67- 70 F4.2 K.km/s e_I102K2 ? Uncertainty in I102K2
73 A1 --- l_I102K3 [<] Limit symbol on I102K3
74- 77 F4.2 K.km/s I102K3 ? CH3CCH intensity integrated over the whole
line at 102GHz, 63-53 transition (K=3) (1)
79- 82 F4.2 K.km/s e_I102K3 ? Uncertainty in I102K3
85 A1 --- l_I102K4 [<] Limit symbol on I102K4
86- 89 F4.2 K.km/s I102K4 ? CH3CCH intensity integrated over the whole
line at 102GHz, 64-54 transition (K=4) (1)
91- 94 F4.2 K.km/s e_I102K4 ? Uncertainty in I102K4
97-103 F7.3 km/s VLSR LSR velocity of 102GHz line
105-108 F4.2 km/s e_VLSR Uncertainty in VLSR
111-115 F5.2 km/s FWHM FWHM of the 102GHz line
117-120 F4.2 km/s e_FWHM Uncertainty in FWHM
122 A1 --- n_I85K0 [*] *: 85GHz line isn't observed
126-129 F4.2 K.km/s I85K0 ? CH3CCH intensity integrated over the whole
line at 85GHz, 50-40 transition (K=0) (1)
131-134 F4.2 K.km/s e_I85K0 ? Uncertainty in I85K0
137-140 F4.2 K.km/s I85K1 ? CH3CCH intensity integrated over the whole
line at 85GHz, 51-41 transition (K=1) (1)
142-145 F4.2 K.km/s e_I85K1 ? Uncertainty in I85K1
147 A1 --- l_I85K2 [<] Limit symbol on I85K2
148-151 F4.2 K.km/s I85K2 ? CH3CCH intensity integrated over the whole
line at 85GHz, 52-42 transition (K=2) (1)
153-156 F4.2 K.km/s e_I85K2 ? Uncertainty in I85K2
158 A1 --- l_I85K3 [<] Limit symbol on I85K3
159-162 F4.2 K.km/s I85K3 ? CH3CCH intensity integrated over the whole
line at 85GHz, 53-43 transition (K=3) (1)
164-167 F4.2 K.km/s e_I85K3 ? Uncertainty in I85K3
170 A1 --- l_I85K4 [<] Limit symbol on I85K4
171-174 F4.2 K.km/s I85K4 ? CH3CCH intensity integrated over the whole
line at 85GHz, 54-44 transition (K=4) (1)
179-185 F7.3 km/s Vlsr85 ? LSR velocity of 85GHz line
187-190 F4.2 km/s e_Vlsr85 ? Uncertainty in Vlsr85
192-196 F5.2 km/s FWHM85 ? FWHM of the 85GHz line
198-201 F4.2 km/s e_FWHM85 ? Uncertainty in FWHM85
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Note (1): Intensitiies in K.km/s, T*A scale
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 11 A11 --- Name Name of the source
17 A1 --- l_Trot102 [<] Limit symbol on Trot102
18- 19 I2 K Trot102 Rotational temperature at 102GHz
22- 25 F4.1 K e_Trot102 ? Uncertainty in Trot102
27 A1 --- l_Nch3ccn102 [<] Limit symbol on Nch3ccn102
28- 31 F4.1 10+14cm-2 Nch3ccn102 ? Column density of CH3CCH at 102GHz
33- 35 F3.1 10+14cm-2 e_Nch3ccn102 ? Uncertainty in Nch3ccn102
39 A1 --- l_Trot85 [<] Limit symbol on Trot85
40- 43 F4.1 K Trot85 ? Rotational temperature at 85GHz
45- 48 F4.1 K e_Trot85 ? Uncertainty in Trot85
51 A1 --- l_Nch3ccn85 [<] Limit symbol on Nch3ccn85
52- 55 F4.1 10+14cm-2 Nch3ccn85 ? Column density of CH3CCH at 85GHz
57- 59 F3.1 10+14cm-2 e_Nch3ccn85 ? Uncertainty in Nch3ccn85
62- 65 F4.1 10-9 N(CH3CCH)/N(H2) ? CH3CCH abundance
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(End) Veta Avedisova (INASAN) 21-Oct-2002