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Data:
CH3OH_I
VAL95B - The discovery of methanol masers at 107 GHz
Short title
: Valtts et al. (1995b)
Authors
: Valtts, I. E. Dzura, A. M. Kalenskii, S. V. Slysh, V. I. Booth, R. S. Winnberg, A.
Journal
: Astronomy and Astrophysics (ISSN 0004-6361), vol. 294, no. 3, p. 825-830
Bibcode
:
1995A&A...294..825V
Abstract
A new methanol maser line at 107 GHz was discovered in five galactic sources. All of them are known Class 2 methanol masers. Toward Class 1 methanol maser sources, the 107-GHz line was found in absorption, or as rather weak quasi-thermal emission sources. The detection of these new methanol masers supports an assumption that the level population inversion is due to overpopulation of some K ladders relative to neighboring ladders.
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Detection table from Valtts et al. (1995b)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Source name
Line
V
peak
FWHM
F
peak
∫F dv
Telescope
Beam
Detection
(J2000)
(J2000)
(deg.)
(deg.)
CH
3
OH (class I)
(km/s)
(km/s)
(Jy)
(Jy*km/s)
(arcsec)
Yes
/
No
1
02 27 4.7
+61 52 25.5
133.9488
1.0651
W 3 (OH)
107 GHz (II)
-45.4(0.1)
4.3(0.2)
10.3(0.4)
46.8(3.0)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
2
02 27 4.7
+61 52 25.5
133.9488
1.0651
W 3 (OH)
107 GHz (II)
-43.3(0.6)
0.8(0.1)
20.9(0.4)
23.4(1.7)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
3
05 35 12.2
-05 24 6.4
209.0138
-19.4051
Ori S6
107 GHz (II)
6.6(0.1)
4.2(0.3)
4.5(0.4)
19.5(2.3)
ONSALA
35
+CH
3
OH I
+CH
3
OH II
4
05 35 14.5
-05 22 29.6
208.9928
-19.3847
Ori KL
107 GHz (II)
7.0(0.1)
9.2(0.3)
23.0(1.0)
226.0(12.0)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
+OH
+SiO
5
05 35 14.5
-05 22 29.6
208.9928
-19.3847
Ori KL
107 GHz (II)
7.6(0.02)
2.4(0.05)
64.2(1.2)
168.0(4.6)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
+OH
+SiO
6
05 35 27.5
-05 09 36.5
208.8159
-19.2392
OMC 2
107 GHz (II)
11.4(0.3)
2.0(0.6)
2.5(0.5)
6.0(2.2)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
7
05 35 27.5
-05 09 36.5
208.8159
-19.2392
OMC 2
107 GHz (II)
14.2(0.6)
2.2(1.4)
1.3(0.4)
3.3(0.7)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
8
06 08 54.2
+21 38 36.6
188.9460
0.8900
S 252
107 GHz (II)
10.6(0.04)
0.9(0.1)
10.1(1.0)
11.7(2.1)
ONSALA
35
+H
2
O
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
+OH
9
18 06 14.8
-20 31 40.2
9.6194
0.1942
G9.62+0.19
107 GHz (II)
-0.8(0.2)
3.8(0.6)
6.0(0.6)
23.4(4.5)
ONSALA
35
+CH
3
OH I
+CH
3
OH II
10
18 06 14.8
-20 31 40.2
9.6194
0.1942
G9.62+0.19
107 GHz (II)
4.5(0.5)
3.6(1.3)
2.7(0.8)
9.8(4.6)
ONSALA
35
+CH
3
OH I
+CH
3
OH II
11
18 08 38.4
-19 51 51.7
10.4723
0.0263
W 31 (1)
107 GHz (II)
66.1(0.3)
8.8(0.9)
7.2(0.6)
68.0(8.8)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
12
18 08 38.4
-19 51 51.7
10.4723
0.0263
W 31 (1)
107 GHz (II)
75.7(0.6)
3.7(1.4)
2.7(0.8)
9.8(4.6)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
13
18 46 04
-02 39 21.5
29.9560
-0.0168
G29.95-0.02
107 GHz (II)
97.7(0.4)
4.9(1.0)
2.9(0.6)
16.0(4.5)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
14
18 46 36.3
-01 45 12.1
30.8206
0.2753
G30.82+0.28
107 GHz (II)
102.7(0.2)
1.5(0.4)
3.7(0.8)
5.9(2.0)
ONSALA
35
+CH
3
OH I
+CH
3
OH II
+OH
15
19 01 46.2
+01 13 41.5
35.2038
-1.7380
W 48
107 GHz (II)
41.3(0.03)
2.2(0
1)
15.4(0.4)
ONSALA
35
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
16
19 01 46.2
+01 13 41.5
35.2038
-1.7380
W 48
107 GHz (II)
45.0(0.04)
2.0(0.1)
11.9(0.4)
25.0(1.5)
ONSALA
35
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
17
19 23 42.1
+14 30 41.3
49.4879
-0.3800
W 51
107 GHz (II)
56.5(0.4)
6.3(1.0)
1.8(0.2)
12.0(2.4)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH II
+OH
18
19 23 43.9
+14 30 36.4
49.4901
-0.3871
W 51 (el/e2)
107 GHz (II)
55.6(0.05)
8.9(0.1)
16.2(0.2)
152.0(2.8)
ONSALA
35
-CH
3
OH I
+CH
3
OH II
19
19 23 43.9
+14 29 25.4
49.4728
-0.3965
W 51 (Metl)
107 GHz (II)
60.6(0.3)
1.9(0.7)
1.2(0.4)
2.0(1.5)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
20
20 38 36.8
+42 37 59.5
81.8775
0.7838
W 75 (N)
107 GHz (II)
8.4(0.3)
6.2(0.6)
2.9(0.2)
18.0(2.6)
ONSALA
35
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
+OH
21
20 39 0.7
+42 22 50.8
81.7216
0.5722
DR 21 (OH)
107 GHz (II)
-5.7(0.4)
2.7(1.0)
2.0(1.2)
6.0(4.1)
ONSALA
35
+CH
3
OH I
+CH
3
OH II
+OH
22
20 39 0.7
+42 22 50.8
81.7216
0.5722
DR 21 (OH)
107 GHz (II)
-2.3(0.7)
5.0(1.1)
3.9(0.4)
20.6(4.5)
ONSALA
35
+CH
3
OH I
+CH
3
OH II
+OH
23
22 56 18.1
+62 01 49.3
109.8713
2.1141
Cep A
107 GHz (II)
-2.2(0.03)
1.0(0.1)
24.4(1.2)
31.0(2.6)
ONSALA
35
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
24
23 13 45.4
+61 28 9.7
111.5422
0.7767
NGC 7538
107 GHz (II)
-59.2(0.1)
1.7(0.3)
10.1(1.2)
19.5(3.7)
ONSALA
35
+H
2
O
+CH
3
OH II
+OH
25
23 13 45.4
+61 28 9.7
111.5422
0.7767
NGC 7538
107 GHz (II)
-56.3(0.1)
3.1(0.2)
17.4(1.8)
58.5(7.5)
ONSALA
35
+H
2
O
+CH
3
OH II
+OH
26
23 13 46.4
+61 27 32.7
111.5403
0.7664
NGC 7538 (IRS1)
107 GHz (II)
-57.8(0.4)
4.5(1.0)
1.6(0.4)
5.8(2.0)
ONSALA
35
+CH
3
OH I
Non-detection table from Valtts et al. (1995b)
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Show
individual components
ID
Obs. RA
Obs. Dec
l
b
Source name
Line
Telescope
Beam
Detection
(J2000)
(J2000)
(deg.)
(deg.)
CH
3
OH (class I)
(arcsec)
Yes
/
No
1
02 25 38.4
+62 05 41.2
133.7120
1.2109
IC 1795
107 GHz (II)
ONSALA
35
-CH
3
OH I
2
02 25 53.6
+62 04 10.6
133.7486
1.1979
W 3 (3)
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
3
05 39 27.6
+35 30 58
173.7182
2.3559
G173.59+2.44
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH II
4
06 07 46.3
-06 23 8.6
213.7050
-12.6043
Mon R2
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
+OH
5
06 08 35.4
+20 39 03
189.7788
0.3448
S 252 A
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
-CH
3
OH II
+CH
3
OH II
+OH
6
06 14 36.7
+13 49 41.4
196.4520
-1.6780
S 269
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
-CH
3
OH II
+CH
3
OH II
+OH
7
06 12 56.4
+17 59 53.8
192.5974
-0.0355
S 255
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH II
8
06 41 9.7
+09 29 34.9
203.3155
2.0549
NGC 2264
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
9
07 32 10
-16 58 14.7
232.6214
0.9962
G232.62+1.00
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH II
+OH
10
15 59 51.1
-01 38 17.6
8.3041
36.3355
S 33
107 GHz (II)
ONSALA
35
-CH
3
OH I
11
18 06 19.2
-21 37 37.9
8.6682
-0.3573
G8.67-0.36
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
+OH
12
18 14 39.8
-17 51 58.3
12.9095
-0.2610
W 33 (A)
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
+OH
13
18 27 42.8
-11 14 29.1
20.2398
0.0751
G20.24+0.08
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH II
14
18 34 41
-09 00 52.8
23.0075
-0.4151
G23.01-0.41
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
15
18 36 12.8
-07 12 35.1
24.7842
0.0794
W 42
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH II
16
18 47 35
-02 01 5.9
30.6964
-0.0631
G30.70-0.06
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
17
18 58 12.7
+01 40 36.5
35.1966
-0.7419
G35.19-0.74
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
+OH
18
19 11 53.9
+09 35 51.4
43.7954
-0.1267
G43.80-0.13
107 GHz (II)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
19
19 23 38.2
+14 30 05
49.4716
-0.3709
W 51 (Met5)
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
-SiO
20
19 23 43.2
+14 31 34.4
49.5031
-0.3772
W 51 (Met4)
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH II
+OH
21
19 23 45.2
+14 29 45.5
49.4802
-0.3984
W 51 (Met3)
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
22
19 23 46.5
+14 29 40.6
49.4815
-0.4037
W 51 (Met2)
107 GHz (II)
ONSALA
35
-CH
3
OH I
+CH
3
OH I
-CH
3
OH II
+CH
3
OH II
23
20 09 30.4
+31 26 17
69.3910
-0.9086
G64.9-0.9
107 GHz (II)
ONSALA
35
-CH
3
OH I
24
20 38 59.6
+42 19 23.8
81.6738
0.5399
DR 21
107 GHz (II)
ONSALA
35
-H
2
O
+H
2
O
-CH
3
OH I
+CH
3
OH I
+CH
3
OH II
25
20 58 46
+44 20 27
85.5075
-0.9754
S 117
107 GHz (II)
ONSALA
35
-CH
3
OH I
26
21 40 42.4
+58 16 9.7
99.9825
4.1696
IC 1396 (N)
107 GHz (II)
ONSALA
35
+H
2
O
+CH
3
OH I
+CH
3
OH II
27
22 20 13.1
+03 58 14.6
67.4803
-42.0606
S 140
107 GHz (II)
ONSALA
35
-CH
3
OH I
28
23 13 42.1
+61 30 37.7
111.5511
0.8174
S 158
107 GHz (II)
ONSALA
35
-CH
3
OH I
29
23 13 44.8
+61 26 50.7
111.5330
0.7567
NGC 7538 (S)
107 GHz (II)
ONSALA
35
+H
2
O
-CH
3
OH I
+CH
3
OH I
+OH
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2MASS coordinates (RA, Dec)
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Variable star
Variable star parameters
Star Formation Region name
Star Formation Region parameters
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