2005A&A...434..201H


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.05CET12:20:10

2005A&A...434..201H - Astronomy and Astrophysics, volume 434, 201-211 (2005/4-4)

Search for radiative pumping lines of OH masers. I. The 34.6 µm absorption line towards 1612MHz OH maser sources.

HE J.H., SZCZERBA R., CHEN P.S. and SOBOLEV A.M.

Abstract (from CDS):

The 1612 MHz hydroxyl maser in circumstellar envelopes has long been thought to be pumped by 34.6µm photons. Only recently, the Infrared Space Observatory has made possible spectroscopic observations which enable the direct confirmation of this pumping mechanism in a few cases. To look for the presence of this pumping line, we have searched the Infrared Space Observatory Data Archive and found 178 spectra with data around 34.6µm for 87 galactic 1612MHz masers. The analysis performed showed that the noise level and the spectral resolution of the spectra are the most important factors affecting the detection of the 34.6µm absorption line. Only 5 objects from the sample (3 red supergiants and 2 galactic center sources) are found to show clear 34.6µm absorption (all of them already known) while two additional objects only tentatively show this line. The 3 supergiants show similar pump rates and their masers might be purely radiatively pumped. The pump rates of OH masers in late type stars are found to be about 0.05, only 1/5 of the theoretical value of 0.25 derived by Elitzur (1992, Astronomical Masers (Kluwer Academic Publishers)). We have also found 16 maser sources which, according to the analysis assuming Elitzur's pump rate, should show the 34.6µm absorption line but do not. These non-detections can be tentatively explained by far-infrared photon pumping, clumpy nature of the OH masing region or a limb-filling emission effect in the OH shell.

Abstract Copyright:

Journal keyword(s): masers - stars: AGB and post AGB - stars: circumstellar matter - radio lines: stars

VizieR on-line data: <Available at CDS (J/A+A/434/201): table1.dat table1a.dat refs.dat>

Simbad objects: 166

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Number of rows : 166

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3001 2
2 IRC +10011 OH* 01 06 25.9889735162 +12 35 52.890666456   20.7   18.26 14.01 M8 405 0
3 OH 127.8 -0.0 OH* 01 33 51.21 +62 26 53.2           M9III 175 0
4 ZW III 35 Sy2 01 44 30.516 +17 06 09.18   15.24 14.81     ~ 227 0
5 V* S Per s*r 02 22 51.7103845023 +58 35 11.454759954 13.22 10.55 7.90     M4.5-7Iae 360 0
6 V* IK Tau Mi* 03 53 28.8884898148 +11 24 21.865959095 16.99 17.03 13.39 7.29 3.20 M7-11 585 0
7 IRAS 04361+2547 Y*O 04 39 13.89288 +25 53 20.8788           ~ 187 1
8 IRC +50137 Mi* 05 11 19.4489549676 +52 52 33.222548186           M10 171 0
9 V* V1187 Ori C* 05 39 42.6265269459 -08 09 08.632589460     12     C 30 0
10 RAFGL 5163 Y*O 05 40 27.45024 -07 27 30.0564           ~ 127 1
11 ZOAG G184.95-00.85 SFR 05 53 42.717 +24 14 54.01           ~ 39 0
12 2MASS J05534356+2414447 Y*O 05 53 43.5659892117 +24 14 44.668205121           G9-K2 40 0
13 IRAS 05506+2414 mul 05 53 44.8 +24 14 45           ~ 42 0
14 NAME Mon R2 HII 06 07 47.58 -06 22 42.6           ~ 665 2
15 RAFGL 940 C* 06 26 37.2746010730 +09 02 15.183190495           C 27 0
16 PN Vo 1 PN 06 59 26.4078328215 -79 38 47.129323563   16.7 15.8     [WC10] 94 0
17 V* VY CMa s*r 07 22 58.32877 -25 46 03.2355 12.01 10.19 7.95     M5Iae 1023 0
18 MR 22 PN 10 21 33.826 -58 05 48.26     12.7     A2Ie 101 0
19 V* R Crt AB* 11 00 33.8541158313 -18 19 29.574953304   10.33 9.80     M7/8III 200 0
20 IRAS 13517-6515 OH* 13 55 30.8 -65 30 37           ~ 8 0
21 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2727 4
22 OH 326.5 -0.6 pA* 15 49 11.3361694808 -55 08 51.838137874           ~ 28 0
23 WRAY 16-198 PN 15 59 57.63 -55 55 33.0   15.88 15.15     [WC9] 125 0
24 V* U Her Mi* 16 25 47.4723609675 +18 53 32.862370166 8.85 8.23 6.70     M6.5-8+e 522 1
25 NGC 6153 PN 16 31 30.5709136856 -40 15 12.646146874   10.7 15.55     ~ 290 0
26 IRAS 16279-4757 pA* 16 31 38.7378047645 -48 04 05.640499647           M3II 39 0
27 IRAS 16342-3814 pA* 16 37 39.8700524769 -38 20 17.440442399           ~ 128 0
28 IRAS 16527-4001 OH* 16 56 10.4 -40 06 25           ~ 4 0
29 OH 344.93 +0.01 OH* 17 03 56.206 -41 23 59.25           ~ 30 0
30 IRAS 17010-3840 OH* 17 04 28.3 -38 44 23           ~ 15 0
31 OH 346.303 +0.135 OH* 17 07 48.608 -40 13 52.06           ~ 3 0
32 IRAS 17089-3814 OH* 17 12 21.20832 -38 18 20.4588           ~ 9 1
33 NGC 6302 PN 17 13 44.339 -37 06 10.95   7.1 10.10     ~ 761 1
34 RAFGL 6815S pA* 17 18 19.8316623567 -32 27 21.376880888           G2I 148 0
35 IRAS 17319-6234 OH* 17 36 37.757 -62 35 55.20           ~ 23 1
36 IRAS 17347-3139 PN 17 38 00.61 -31 40 55.2           ~ 55 1
37 RAFGL 1992 OH* 17 39 14.93424 -30 14 24.3204           O-rich 50 1
38 IRC -30316 OH* 17 42 35.0213310681 -30 05 41.840711558     15     M4 32 0
39 RAFGL 5379 OH* 17 44 24.0038735481 -31 55 35.428622508           ~ 83 0
40 OH 1.3 +1.0 OH* 17 44 58.73040 -27 14 42.8316           ~ 32 0
41 RAFGL 2003 IR 17 45 39.1 -29 00 23           ~ 22 0
42 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 3601 3
43 [TVH89] 179 OH* 17 45 40.63 -29 00 23.5           ~ 58 0
44 NAME Quintuplet Cluster OpC 17 46 13.9 -28 49 48           ~ 462 0
45 IRAS 17431-2846 IR 17 46 17.9 -28 48 01           ~ 10 0
46 NAME Sgr B2 Maser C Mas 17 47 20.17 -28 23 04.5           ~ 9 0
47 IRAS 17441-2822 HII 17 47 20.224 -28 23 04.13           ~ 24 0
48 NAME Sgr B2 MoC 17 47 20.4 -28 23 07           ~ 1981 1
49 IRAS 17443-2949 PN 17 47 35.28 -29 50 56.2           ~ 30 0
50 MSX6C G000.5799-00.6302 HII 17 49 25.5 -28 46 19           ~ 14 0
51 Hen 2-289 Sy* 17 49 48.22 -37 01 27.9   7.73       M8 159 1
52 OH 2.6 -0.4 OH* 17 53 18.66432 -26 56 36.5748           M8-9 70 0
53 IRAS 17516-2525 pA* 17 54 43.3467071361 -25 26 28.136063518           O-B? 36 1
54 V* AU Her OH* 17 57 19.7197938181 +29 46 28.694210255       12.03   M8 26 0
55 IRAS 17562-1945 * 17 59 12.09624 -19 45 21.5316           ~ 5 0
56 GAL 005.88-00.41 HII 18 00 30.388 -24 04 00.20           ~ 303 0
57 OH 7.89 +0.24 Mas 18 02 25.2 -22 01 01           ~ 1 0
58 IRAS 17594-2201 IR 18 02 25.37 -22 01 00.7           ~ 5 0
59 OH 5.58 -2.35 Mas 18 07 20.0 -25 17 21           ~ 1 0
60 IRAS 18042-2517 * 18 07 20.6172814571 -25 17 19.021408884           ~ 6 0
61 V* VX Sgr s*r 18 08 04.0431479808 -22 13 26.629744195 11.72 9.41 6.52 3.90 2.11 M8.5Ia 556 0
62 HD 335675 pA* 18 11 30.6604895815 +27 05 15.662372766   11.52 10.55     F3Ib 108 0
63 MSX5C G012.2118-00.2307 Mas 18 13 08.8 -18 27 51           ~ 21 0
64 IRAS 18104-1553 IR 18 13 17.4 -15 52 32           ~ 3 0
65 V* V2053 Oph pA* 18 14 49.3842596707 +05 12 55.717076925   11.75 10.28     C 40 0
66 OH 10.47 -1.77 Mas 18 15 21.3 -20 43 31           ~ 1 0
67 IRAS 18123-2044 IR 18 15 21.3 -20 43 31           ~ 4 0
68 OH 12.8 -0.9 IR 18 16 49.214 -18 15 01.66           ~ 45 2
69 IRAS 18139-1816 mul 18 16 51.1 -18 15 02           ~ 16 1
70 IRAS 18158-1223 * 18 18 38.289 -12 22 37.60           ~ 3 0
71 IRAS 18163-1426 * 18 19 08.5685665534 -14 25 02.192190642           ~ 4 0
72 OH 20.62 +2.44 Mas 18 19 55.8 -09 47 42           ~ 1 0
73 IRAS 18171-0949 * 18 19 56.1433393979 -09 47 40.519390815           ~ 5 0
74 IRAS 18173-1642 * 18 20 16.0046178162 -16 41 03.742851870           ~ 5 0
75 OH 14.59 -0.88 Mas 18 20 16.9 -16 41 04           ~ 1 0
76 RAFGL 2136 SFR 18 22 26.8740 -13 30 17.177           ~ 254 0
77 IRAS 18195-1922 OH* 18 22 32.81760 -19 20 35.1240           ~ 4 0
78 IRAS 18210-1825 * 18 24 01.5197570762 -18 23 25.128227055           ~ 7 0
79 IRAS 18219-0725 OH* 18 24 41.42976 -07 24 08.1900           ~ 5 0
80 IRAS 18236-1422 * 18 26 32.3204382463 -14 20 30.398267617           ~ 4 0
81 OH 18.66 -0.67 Mas 18 27 23.8 -12 59 03           ~ 1 0
82 IRAS 18245-1300 IR 18 27 23.8 -12 59 03           ~ 5 0
83 OH 21.5 +0.5 OH* 18 28 30.937 -09 58 14.32           ~ 87 0
84 V* V370 Ser Or* 18 29 49.24584 +01 16 31.5480           ~ 27 0
85 OH 17.7 -2.0 pA* 18 30 30.703 -14 28 57.04           ~ 135 1
86 IRAS 18286-0959 pA* 18 31 22.94232 -09 57 21.3948           ~ 29 0
87 OH 20.8 -0.8 OH* 18 31 23.16000 -11 09 54.6084           ~ 6 0
88 IRAS 18307-0956 OH* 18 33 27.73368 -09 54 21.4956           ~ 4 0
89 IRAS 18328-0805 * 18 35 34.55 -08 02 40.2           ~ 5 0
90 OH 27.05 +1.12 Mas 18 36 40.8 -04 43 26           ~ 1 0
91 IRAS 18340-0446 * 18 36 41.5763109238 -04 43 24.424289384           ~ 4 0
92 IRAS 18340-0648 * 18 36 42.05 -06 45 55.1           ~ 5 0
93 IRAS 18341-0751 * 18 36 51.07872 -07 49 02.8128           ~ 3 0
94 IRC +10365 Mi* 18 37 19.2595666948 +10 25 42.492197977           M9 139 0
95 OH 26.5 +0.6 OH* 18 37 32.50920 -05 23 59.1936           ~ 286 0
96 IRAS 18364-0710 * 18 39 12.14 -07 07 38.8           ~ 4 0
97 IRAS 18367-0634 * 18 39 24.38 -06 31 48.9           ~ 3 0
98 OH 25.93 -0.67 Mas 18 41 00.5 -06 32 03           ~ 1 0
99 IRAS 18383-0634 * 18 41 00.8553537742 -06 32 02.126657717           ~ 3 0
100 OH 26.2 -0.6 OH* 18 41 14.33376 -06 15 00.6012           ~ 56 0
101 OH 30.34 +1.17 Mas 18 42 31.0 -01 46 35           ~ 1 0
102 IRAS 18399-0149 * 18 42 31.8764306391 -01 46 31.824182374           ~ 5 0
103 IRAS 18399-0509 * 18 42 38.54232 -05 06 00.1620           ~ 4 0
104 IRAS 18402-0458 * 18 42 53.247 -04 55 24.91           ~ 4 0
105 IRAS 18407-0619 IR 18 43 23.2774868049 -06 16 26.610599579           ~ 5 0
106 OH 26.43 -1.08 Mas 18 43 23.3 -06 16 26           ~ 1 0
107 IRAS 18417-0103 OH* 18 44 16.7217384753 -01 00 25.888058698           ~ 7 0
108 IRAS 18422-0116 * 18 44 49.9147726933 -01 13 23.993899929           ~ 4 0
109 IRAS 18423-0135 IR 18 44 55.8 -01 32 46           ~ 3 0
110 OH 30.82 +0.74 Mas 18 44 55.8 -01 32 46           ~ 1 0
111 IRAS 18422-0437 * 18 44 56.3622869922 -04 33 58.959307972           ~ 6 0
112 OH 30.55 +0.28 pA* 18 46 05.6 -01 59 17           ~ 7 0
113 IRAS 18440-0020 Mas 18 46 38.76 -00 17 12.8           ~ 14 0
114 OH 30.9 +0.2 Mas 18 46 58.8 -01 43 47           ~ 2 0
115 IRAS 18443-0147 * 18 46 58.90560 -01 43 42.8016           ~ 6 0
116 IRAS 18449-0514 Mas 18 47 37.73 -05 11 07.4           ~ 18 0
117 OH 25.09 -3.02 Mas 18 47 54.5562702012 -08 21 28.821454043           ~ 7 0
118 OH 30.1 -0.7 OH* 18 48 41.949 -02 50 28.85           ~ 93 0
119 OH 32.0 -0.5 OH* 18 51 26.222 -01 03 52.31           ~ 64 0
120 OH 31.78 -0.62 Mas 18 51 33.4 -01 18 24           ~ 1 0
121 IRAS 18489-0122 * 18 51 33.75960 -01 18 21.1500           ~ 3 0
122 OH 32.8 -0.3 OH* 18 52 22.25472 -00 14 11.8428           ~ 117 0
123 IRAS 18503-0141 * 18 52 57.17 -01 38 06.7           ~ 4 0
124 OH 32.95 -0.57 Mas 18 53 29.5 -00 14 29           ~ 2 0
125 IRAS 18509-0018 * 18 53 30.03 -00 14 27.4           ~ 6 0
126 OH 35.6 -0.3 OH* 18 57 27.472 +02 12 16.97           ~ 46 0
127 RAFGL 2287 mul 18 57 36.5 +03 27 24           ~ 22 0
128 IRAS 18556+0811 IR 18 58 04.2323910827 +08 15 30.667206475           ~ 26 0
129 RAFGL 2290 OH* 18 58 30.0947842133 +06 42 57.698061173           ~ 121 0
130 IRAS 18595-0053 OH* 19 02 05.0799184407 -00 49 38.506785408           ~ 4 0
131 OH 37.1 -0.8 OH* 19 02 06.286 +03 20 15.99           ~ 65 0
132 IRAS 18596+0315 mul 19 02 06.4 +03 20 15           ~ 59 1
133 OH 35.2 -2.6 pA* 19 05 02.060 +00 48 50.90   17.0   15.1 14.36 G0-5 42 0
134 V* R Aql OH* 19 06 22.2510506325 +08 13 48.000441251 8.06 7.69 6.09     M6.5-9e 544 0
135 OH 43.64 -0.46 Mas 19 12 46.1 +09 18 20           ~ 1 0
136 IRAS 19103+0913 * 19 12 47.0025101246 +09 18 24.381796002           ~ 3 0
137 HD 179821 pA* 19 13 58.6083165753 +00 07 31.934676028 10.81 9.694 8.19     G4_0-Ia 226 0
138 OH 44.8 -2.3 OH* 19 21 36.6418599501 +09 27 56.536908744           ~ 83 0
139 PN Vy 2-2 PN 19 24 22.2390166933 +09 53 56.259102426   14.02 12.65 13.38   ~ 251 0
140 IRC +10420 pA* 19 26 48.0981288433 +11 21 16.756524951   13.98 11.66     F8Ia+e 456 0
141 PN K 3-35 PN 19 27 43.9751068155 +21 30 02.898607561           ~ 135 0
142 OH 55.0 +0.7 OH* 19 30 29.48 +19 50 41.0           ~ 48 0
143 HD 184738 PN 19 34 45.2337512278 +30 30 58.951476338   10.41 10.44     [WC9] 925 0
144 Min 1-92 pA* 19 36 18.9292148675 +29 32 49.838032394 12.13 12.35 11.75 11.54   B0.5IV[e] 236 1
145 V* RR Aql Mi* 19 57 36.0628075265 -01 53 11.322802573     7.80     M7.5e 282 2
146 V* Z Cyg Mi* 20 01 27.5084697298 +50 02 32.631014105   11.12 7.10     M5.5-6.5e 157 0
147 RAFGL 4259 OH* 20 06 22.74 +27 02 10.6           ~ 38 0
148 IRC -10529 OH* 20 10 27.8733409252 -06 16 13.757843352         15.49 M: 134 0
149 [VV2000] J201329.8-414735 QSO 20 13 29.509 -41 47 35.48   17.0       ~ 108 2
150 WSRTGP 2025+3712 HII 20 27 26.4 +37 22 48           ~ 48 0
151 NAME SH 2-106 IR Y*O 20 27 26.502 +37 22 42.03           ~ 157 1
152 OH 75.3 -1.8 OH* 20 29 08.4 +35 45 44           ~ 37 0
153 MSB 38 C* 20 36 07.3863551706 +60 05 26.037276961   13.98 9.86 10.3   C-J4+ 118 0
154 IRAS 20406+2953 PN? 20 42 45.9536982690 +30 04 06.483437326           ~ 28 0
155 NML Cyg s*r 20 46 25.5382179476 +40 06 59.396202678   18.64 16.60     M7/8 485 0
156 V* UX Cyg Mi* 20 55 05.5094928935 +30 24 52.033815647   10.99 10.75     M6-6.5e 157 0
157 V* NU Del OH* 21 02 06.9744766175 +18 10 38.819060707   13.5       M9 13 0
158 IRAS 21554+6204 OH* 21 56 58.195 +62 18 46.02           ~ 42 0
159 IRAS 22036+5306 pA* 22 05 30.29 +53 21 32.8   19.2       F4III 74 0
160 SH 2-140 OpC 22 19 07.8 +63 17 07           ~ 636 2
161 IRAS 22176+6303 Y*O 22 19 17.978 +63 18 52.92           ~ 590 0
162 NSV 25875 OH* 22 19 27.48 +59 51 21.7           ~ 134 0
163 EM* AS 501 LP* 22 57 40.9676229606 +58 49 12.557808847   10.5 10.9     M2II-III 102 0
164 V* R Peg Mi* 23 06 39.1651966075 +10 32 36.077521179 9.43 9.07 7.79 4.87 2.35 M6-8.5e 214 0
165 V* R Aqr Sy* 23 43 49.4629939776 -15 17 04.184232557   8.823 7.683 9.37   M6.5-8.5e 748 0
166 V* PZ Cas s*r 23 44 03.2794635453 +61 47 22.187155352 12.80 11.48 8.90 6.08 3.90 M3Ia 192 0

    Equat.    Gal    SGal    Ecl

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2021.03.05-12:20:10

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