2007A&A...465..865E

Query : 2007A&A...465..865E

2007A&A...465..865E - Astronomy and Astrophysics, volume 465865-877 (2007/4-3)

A survey of OH masers towards high mass protostellar objects.

EDRIS K.A., FULLER G.A. and COHEN R.J.

Abstract (from CDS):

Masers are important tracers of the early evolution of young high mass stars, but the relationship between different types of maser and the evolutionary state of the exciting source remains unclear. To determine whether OH masers are common towards candidate high mass protostellar objects.We present a survey of OH maser emission towards a sample of high mass protostellar objects made using the Nancay and GBT telescopes.OH maser emission was detected towards 63 objects with 36 new detections. There are 56 star-forming regions and 7 OH/IR candidates. Nearly half of the detected sources have OH flux densities ≲1Jy. There is no evidence that sources with OH masers have a different range of luminosities from the non-maser sources. The results of this survey are compared with previous H2O and class II CH3OH maser observations of the same objects. Some of the detected sources are only associated with OH masers and some sources are only associated with the 1720 MHz OH maser line. The velocity range of the maser emission suggests that the water maser sources may be divided into two groups. The detection rates and velocity range of the OH and Class II CH3OH masers support the idea that there is a spatial association of the OH and Class II CH3OH masers. The sources span a wide range in R, the ratio of the methanol maser peak flux to OH 1665 MHz maser peak flux, however there are only a few sources with intermediate values of R, 8<R<32, which has characterised previous samples. The majority of the sources are either methanol-favoured or OH-favoured. Sources which have masers of any species, OH, water or methanol, have redder [100µm-12µm] IRAS colours than those without masers. However, there is no evidence for different maser species tracing different stages in the evolution of these young high mass sources.The detection of OH masers towards 26% of a sample of 217 sources should remove any doubt about the existence of OH maser emission towards these objects or this early evolutionary stage. Previous observations which have shown that the OH maser emission from similar sources traces the circumstellar disks around the objects. This combined with the sensitivity of the OH emission to the magnetic field, make the newly detected sources interesting candidates for future follow-up at high angular resolution.

Abstract Copyright: ∼

Journal keyword(s): masers - stars: formation - ISM: molecules - ISM: HII regions

VizieR on-line data: <Data which should be available at CDS were never supplied by the authors>

Simbad objects: 230

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Number of rows : 230
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 IRAS 00070+6503 * 00 09 40.9442347800 +65 19 54.290610516           ~ 18 0
2 IRAS 00117+6412 HII 00 14 26.61 +64 28 30.3           ~ 40 0
3 IRAS 00420+5530 Y*? 00 44 57.31 +55 47 18.1           ~ 61 0
4 IRAS 01420+6401 HII 01 45 40.16013 +64 16 09.0770           ~ 32 1
5 IRAS 03211+5446 HII 03 24 59.1 +54 57 25           ~ 28 0
6 IRAS 04034+5116 Y*O 04 07 10.99176 +51 24 41.1012           ~ 19 1
7 IRAS 04579+4703 Y*O 05 01 39.661 +47 07 21.92           ~ 51 0
8 IRAS 05137+3919 Cld 05 17 13.3 +39 22 14           ~ 75 0
9 IRAS 05168+3634 mul 05 20 16.2 +36 37 21           ~ 48 0
10 GAL 174.20-00.08 Cld 05 30 45.9 +33 47 56           ~ 210 2
11 NGC 1985 RNe 05 37 47.8 +31 59 24           ~ 145 2
12 IRAS 05358+3543 Y*O 05 39 09.92 +35 45 17.2           ~ 171 0
13 SH 2-231 Y*O 05 39 13.2 +35 45 48           ~ 135 0
14 IRAS 05373+2349 Y*O 05 40 24.2280641304 +23 50 54.705306336           ~ 68 1
15 Mol 12 Rad 05 40 24.4 +23 50 54           ~ 50 0
16 RAFGL 5165 IR 05 41 37.4 +35 48 49           ~ 21 0
17 IRAS 05490+2658 Y*O 05 52 12.9 +26 59 33           ~ 51 0
18 GAL 192.16-03.82 HII 05 58 13.4 +16 32 00           ~ 145 1
19 RAFGL 6366S HII 06 08 41.0 +21 31 01           ~ 95 0
20 IRAS 06061+2151 SFR 06 09 07.8 +21 50 39           ~ 87 0
21 IRAS 06063+2040 HII 06 09 21 +20 39.4           ~ 44 0
22 RAFGL 5184 IR 06 09 51.7 +20 30 04           ~ 40 0
23 RAFGL 5186 HII 06 13 16.34 +15 22 42.2           ~ 29 1
24 IRAS 06104+1524A HII 06 13 21.40 +15 23 57.2           ~ 22 0
25 IRAS 06105+1756 HII 06 13 28.33753 +17 55 33.0170           ~ 30 0
26 IRAS 06155+2319A HII 06 18 35.2 +23 18 11           ~ 28 0
27 IRAS 06291+0421 IR 06 31 48.48 +04 19 30.7           ~ 29 1
28 NGC 2245 RNe 06 32 41.3 +10 09 34   11       A0 61 0
29 NGC 2247 RNe 06 33 04.4 +10 19 21   8.5       ~ 70 0
30 IRAS 06308+0402 Y*O 06 33 31.1 +04 00 07           ~ 48 1
31 IRAS 06382+0939 Y*O 06 41 02.81160 +09 36 16.1712         19.89 ~ 93 0
32 IRAS 06584-0852 Y*O 07 00 50.94192 -08 56 30.1812           ~ 37 0
33 GAL 359.977+00.168 Y*O 17 44 53.4 -28 52 20           ~ 24 0
34 IRAS 17450-2742 IR 17 48 10 -27 43.2           ~ 17 0
35 IRAS 17495-2624 IR 17 52 41.9 -26 25 32           ~ 10 0
36 IRAS 17504-2519 Y*O 17 53 33.7425042749 -25 19 50.366208103           ~ 13 0
37 IRAS 17527-2439 HII 17 55 49.1 -24 40 20           ~ 18 0
38 IRAS 17571-2328 MIR 18 00 15.76368 -23 28 53.5476           ~ 10 0
39 IRAS 17582-2234 Y*O 18 01 18.52464 -22 34 57.5364           ~ 18 0
40 IRAS 18014-2428 IR 18 04 29.6 -24 28 47           ~ 15 0
41 RAFGL 2059 Y*O 18 04 53.1586569336 -24 26 41.642012796 19.905 21.910 18.914   14.078 ~ 146 0
42 IRAS 18024-2119 IR 18 05 25.4 -21 19 41           ~ 17 0
43 IRAS 18024-2231 IR 18 05 30.6 -22 31 36           ~ 10 0
44 ISOGAL-P J180658.0-205150 AB* 18 06 57.95832 -20 51 49.9608           O-rich 10 0
45 IRAS 18048-2019 HII 18 07 51.6 -20 18 36           ~ 20 1
46 [WBH98] 18048-2019 HII 18 07 51.7 -20 18 35           ~ 17 0
47 GAL 012.89+00.49 HII 18 11 51.3 -17 31 29           ~ 217 0
48 OH 012.03-00.04 Y*O 18 12 01.8400 -18 31 55.800           ~ 91 0
49 IRAS 18102-1800 HII 18 13 12.2 -17 59 35           ~ 24 0
50 IRAS 18123-1203 HII 18 15 07.3 -12 02 42           ~ 15 0
51 IRAS 18134-1942 HII 18 16 22.1327 -19 41 27.219           ~ 72 0
52 IRAS 18144-1723 IR 18 17 24.4 -17 22 13           ~ 35 0
53 IRAS 18151-1208 Y*O 18 17 58.1254 -12 07 24.893           ~ 114 0
54 IRAS 18156-1343 IR 18 18 28.6 -13 42 22           ~ 10 0
55 IRAS 18159-1550 HII 18 18 47.30 -15 48 57.9           ~ 27 0
56 GAL 014.33-00.64 HII 18 18 53.5 -16 47 39           ~ 75 0
57 AGAL G014.891-00.404 Y*O 18 19 07.4495 -16 11 34.047           ~ 42 0
58 IRAS 18167-1614 LP? 18 19 43.1791079424 -16 13 10.344984960           ~ 10 0
59 IRAS 18172-1548 IR 18 20.1 -15 47           ~ 4 0
60 EGO G016.59-0.05 HII 18 21 07.9 -14 31 53           ~ 129 0
61 OH 016.59-00.05 Mas 18 21 09.0840 -14 31 48.556           ~ 85 0
62 IRAS 18197-1351 IR 18 22 36.8 -13 50 11           ~ 11 0
63 IRAS 18212-1320 IR 18 24 04.7 -13 19 16           ~ 12 0
64 IRAS 18223-1243 Y*O 18 25 10.9307288448 -12 42 15.754722912           ~ 67 1
65 GAL 019.36-00.02 HII 18 26 24.3 -12 03 47           ~ 39 0
66 MMB G019.755-00.128 Y*O 18 27 31.602 -11 45 55.17           ~ 54 0
67 IRAS 18256-0742 IR 18 28 20.5 -07 40 22           ~ 14 0
68 IRAS 18258-0737 HII 18 28 34.1 -07 35 31           ~ 17 0
69 MMB G019.884-00.534 cor 18 29 14.37 -11 50 23.0           ~ 119 1
70 [BNM96] 019.605-0.902 HII 18 30 02.7 -12 15 27           ~ 16 0
71 IRAS 18272-1217 Y*O 18 30 02.77248 -12 15 22.4172           ~ 19 0
72 IRAS 18278-1009 Y*O 18 30 36.0537219097 -10 07 09.780190865           ~ 41 0
73 IRAS 18288-0158 IR 18 31 26.7 -01 56 35           ~ 8 1
74 GAL 022.357+00.066 HII 18 31 44.9 -09 22 09           ~ 55 0
75 AGAL G023.264+00.077 cor 18 33 24.00 -08 33 31.0           ~ 43 0
76 IRAS 18308-0841 HII 18 33 32.89 -08 39 18.5           ~ 38 0
77 IRAS 18310-0825 HII 18 33 47.9 -08 23 52           ~ 33 0
78 V* V481 Sct s*b 18 33 55.2781965336 -06 58 38.631350604           LBV_B[e]: 50 0
79 RAFGL 7009S HII 18 34 20.911 -05 59 42.23           ~ 231 0
80 IRAS 18317-0513 HII 18 34 25.62000 -05 10 50.3400           ~ 32 0
81 RAFGL 5515 HII 18 36 29.0 -07 40 33           ~ 35 0
82 AGAL G025.409+00.106 cor 18 37 16 -06 38.6           ~ 57 0
83 IRAS 18348-0616 Y*O 18 37 30.420 -06 14 14.49   17.34 16.14 14.80   ~ 41 0
84 IRAS 18355-0550 IR 18 38 13.6 -05 48 17           ~ 6 0
85 IRAS 18360-0537 HII 18 38 40.3 -05 35 06           ~ 27 0
86 IRAS 18363-0554 Rad 18 39 03.7 -05 52 15           ~ 10 0
87 GAL 026.60-00.02 HII 18 39 55.9 -05 38 45           ~ 34 1
88 AGAL G027.184-00.081 cor 18 41 13.26 -05 08 57.9           ~ 60 0
89 IRAS 18396-0431 Rad 18 42 18.8 -04 28 37           ~ 14 0
90 IRAS 18408-0348 HII 18 43 31.1 -03 44 57           ~ 17 0
91 IRAS 18424-0329 Rad 18 45 03.3 -03 26 49           ~ 12 0
92 AGAL G030.423+00.466 cor 18 45 12.8 -02 01 12           ~ 34 0
93 IRAS 18431-0312 HII 18 45 45.5 -03 09 21           ~ 21 0
94 IRAS 18437-0216 HII 18 46 22.7 -02 13 24           ~ 20 0
95 IRAS 18440-0148 cor 18 46 36.56 -01 45 21.2           ~ 65 0
96 IRAS 18445-0222 HII 18 47 10.6 -02 19 08           ~ 31 0
97 IRAS 18447-0229 HII 18 47 23.7 -02 25 55           ~ 23 0
98 IRAS 18454-0158 HII 18 48 01.3 -01 54 49           ~ 16 0
99 AGAL G031.158+00.047 cor 18 48 02.46 -01 33 26.5           ~ 45 0
100 AGAL G029.886-00.781 Y*O 18 48 40 -03 03.9           ~ 33 0
101 IRAS 18463+0053 OH* 18 48 51.07320 +00 57 28.2996           O-rich 3 0
102 BGPSv2 G032.119+00.092 cor 18 49 37.81 -00 41 01.1           ~ 33 0
103 IRAS 18472-0022 HII 18 49 50.7 -00 19 09           ~ 18 0
104 IRAS 18488+0000 IR 18 51 24.8 +00 04 19           ~ 32 0
105 GAL 034.4+00.23 HII 18 53 17.4 +01 24 55           ~ 93 1
106 AGAL G034.411+00.234 Y*O 18 53 18.0319 +01 25 25.500           ~ 108 0
107 MSXDC G034.43+00.24 MoC 18 53 18.9 +01 26 39           ~ 122 0
108 RAFGL 5542 Y*O 18 53 37.88832 +01 50 30.5844           ~ 78 0
109 IRAS 18517+0437 SFR 18 54 13.8 +04 41 32           ~ 89 0
110 AGAL G034.757+00.024 cor 18 54 40.76 +01 38 05.0           ~ 41 0
111 [ERG2015] 6375 smm 18 55 16.778 +03 05 07.47           ~ 30 0
112 IRAS 18530+0215 cor 18 55 33.7 +02 19 09           ~ 43 0
113 IRAS 18532+0047 Rad 18 55 50.6 +00 51 22           ~ 18 0
114 IRAS 18537+0145 IR 18 56 15.0 +01 49 03           ~ 9 0
115 IRAS 18540+0220 HII 18 56 35.6 +02 24 54           ~ 16 0
116 IRAS 18544+0112 HII 18 56 59.8 +01 16 20           ~ 11 0
117 IRAS 18551+0302 bub 18 57 42.1 +03 06 04           ~ 21 1
118 IRAS 18553+0414 cor 18 57 53.37 +04 18 15.7           ~ 36 0
119 IRAS 18565+0349 Rad 18 59 03.4 +03 53 22           ~ 16 0
120 IRAS 18566+0408 Y*O 18 59 09.95520 +04 12 15.6240           ~ 143 0
121 AGAL G040.121+01.500 HII 18 59 14 +07 04.9   13.60 12.74     ~ 35 0
122 IRAS 18571+0349 Rad 18 59 40.0 +03 53 35           ~ 15 0
123 IRAS 18571+0326 IR 18 59 40.2 +03 30 29           ~ 8 0
124 IRAS 18586+0106 Rad 19 01 10.6 +01 11 16           ~ 19 0
125 IRAS 18596+0536 HII 19 02 06.5 +05 40 33           ~ 10 0
126 IRAS 19001+0402 HII 19 02 36.2 +04 06 58           ~ 10 0
127 HRDS G038.643-00.227 bub 19 02 40.4 +04 58 13           ~ 19 0
128 IRAS 19012+0505 mul 19 03 43.5 +05 09 49           ~ 31 0
129 AGAL G039.388-00.141 cor 19 03 45 +05 40.7           ~ 58 1
130 [CPA2006] N75 bub 19 03 47.1 +05 09 27           ~ 40 0
131 IRAS 19023+0538 IR 19 04 49.0 +05 42 40           ~ 7 0
132 IRAS 19035+0641 Y*O 19 06 01.6288 +06 46 36.140           ~ 84 0
133 IRAS 19043+0726 Rad 19 06 47.7 +07 31 38           ~ 16 0
134 IRAS 19045+0518 Y*O 19 06 59.71488 +05 22 55.3152           ~ 16 0
135 [BNM96] 042.096+0.354 Y*O 19 07 00.527 +08 18 44.48           ~ 17 0
136 IRAS 19074+0752 cor 19 09 53.55 +07 57 14.8           ~ 46 0
137 IRAS 19077+0839 Cld 19 10 09.6 +08 44 11           ~ 11 0
138 IRAS 19088+0902 Rad 19 11 15.9 +09 07 27           ~ 22 0
139 IRAS 19092+0841 Rad 19 11 37.4 +08 46 30           ~ 30 0
140 IRAS 19094+0944 mul 19 11 52.0 +09 49 46           ~ 18 0
141 IRAS 19118+0945 MIR 19 14 14.90664 +09 50 43.5156           ~ 19 0
142 IRAS 19175+1357 cor 19 19 49.22 +14 02 46.8           ~ 30 0
143 NVSS J192038+160225 Rad 19 20 38.3 +16 02 36           ~ 9 1
144 IRAS 19198+1423 HII 19 22 07.844 +14 29 19.72           ~ 13 0
145 2MASS J19233684+1728589 Y*O 19 23 36.8145280608 +17 28 58.953209844           ~ 52 0
146 W 51 SNR 19 23 50 +14 06.0           ~ 1352 1
147 AGAL G051.678+00.719 cor 19 23 59 +16 57.7           ~ 48 0
148 AGAL G049.669-00.457 Y*O 19 24 20 +14 38.0           ~ 42 0
149 AGAL G053.037+00.112 cor 19 28 55.5 +17 52 00           ~ 50 0
150 IRAS 19282+1814 HII 19 30 28.1 +18 20 53           ~ 38 0
151 IRAS 19295+1637 Cld 19 31 50.9 +16 43 29           ~ 9 0
152 IRAS 19332+2028 HII 19 35 26.37 +20 35 01.0           ~ 15 1
153 IRAS 19343+2026 MIR 19 36 31.05216 +20 33 09.2196           ~ 19 1
154 IRAS 19368+2239 HII 19 38 57.0 +22 46 27           ~ 21 0
155 MSX6C G059.6032+00.9116 HII 19 39 34.8 +23 59 51           ~ 22 0
156 IRAS 19388+2357 Y*O 19 40 59.1 +24 04 46           ~ 32 0
157 NGC 6820 GNe 19 42 27.930 +23 05 14.75       14.56   ~ 50 0
158 MSX6C G059.7831+00.0648 Y*O 19 43 11.2464 +23 44 03.270           ~ 159 0
159 IRAS 19410+2336 SFR 19 43 11.5 +23 44 06           ~ 160 0
160 IRAS 19411+2306 cor 19 43 17.9613824400 +23 14 01.619818008           ~ 49 0
161 MSX6C G059.7654-00.0269 HII 19 43 29.8 +23 40 25           ~ 27 0
162 NVSS J194800+245018 Rad 19 48 00.14 +24 50 18.6           ~ 13 1
163 [BNM96] 063.125+0.443 HII 19 49 09.3798758496 +26 49 08.186732688           ~ 23 0
164 IRAS 19542+3004 IR 19 56 13.2 +30 12 56           ~ 7 0
165 IRAS 20028+2903 HII 20 04 52.77168 +29 11 40.1028           ~ 21 0
166 IRAS 20051+3435 * 20 07 04.5 +34 44 45           ~ 31 0
167 IRAS 20050+2720 Y*O 20 07 06.549 +27 28 49.10           ~ 107 0
168 NAME IRAS 20050+2720 Cluster Cl* 20 07 06.7 +27 28 53           ~ 83 0
169 IRAS 20056+3350 Mas 20 07 31.5 +33 59 39           ~ 30 0
170 IRAS 20062+3550 HII 20 08 09.8 +35 59 20           ~ 21 0
171 IRAS 20081+2720 HII 20 10 11.5 +27 29 06           ~ 43 1
172 IRAS 20099+3640 IR 20 11 46.3969271064 +36 49 35.253504336           ~ 17 0
173 IRAS 20106+3545 IR 20 12 31.3 +35 54 46           ~ 17 0
174 IRAS 20126+4104 Y*O 20 14 25.8816769656 +41 13 36.879427236           B2.5-B0.5 469 0
175 IRAS 20180+3558 IR 20 19 58.0 +36 07 37           ~ 11 0
176 LBN 077.61+01.59 HII 20 20 39.3 +39 37 52           ~ 80 0
177 IRAS 20205+3948 Y*O 20 22 21.9 +39 58 05           ~ 29 0
178 CPM 35 cor 20 23 23.855 +41 17 40.49           ~ 58 0
179 IRAS 20217+3947 * 20 23 32.2802944368 +39 57 24.820192908           ~ 12 0
180 IRAS 20220+3728 Y*O 20 23 55.22 +37 38 12.3           ~ 50 3
181 IRAS 20227+4154 HII 20 24 31.4 +42 04 17           ~ 32 0
182 IRAS 20278+3521 IR 20 29 46.8321719328 +35 31 42.045300408           ~ 18 0
183 IRAS 20286+4105 HII 20 30 29.94 +41 15 50.8           ~ 57 1
184 IRAS 20293+4007 Cld 20 31 07.9 +40 17 23           ~ 10 0
185 IRAS 20293+3952 HII 20 31 11.040 +40 03 10.69           ~ 80 0
186 IRAS 20319+3958 HII 20 33 49.24632 +40 08 44.1924           ~ 45 1
187 ECX6-27 HII 20 33 55.7 +41 22 46           ~ 27 1
188 IRAS 20332+4124 HII 20 35 00.5 +41 34 48           ~ 38 0
189 IRAS 20333+4102 Cld 20 35 09.5 +41 13 18           ~ 30 0
190 IRAS 20343+4129 HII 20 36 07.1 +41 40 01           ~ 58 0
191 IRAS 20406+4555 HII 20 42 21 +46 05.9           ~ 17 0
192 IRAS 20444+4629 MoC 20 45 59.64 +46 40 06.2           ~ 25 0
193 IRAS 21046+5110 IR 21 06 16.3 +51 22 13           ~ 17 0
194 IRAS 21078+5211 HII 21 09 31.03 +52 24 16.1           ~ 65 0
195 IRAS 21080+4758 Y*O 21 09 45.87672 +48 10 58.9116           ~ 16 0
196 IRAS 21202+5157 HII 21 21 53.577 +52 10 47.30           ~ 26 0
197 IRAS 21307+5049 Y*O 21 32 30.59280 +51 02 16.0368           ~ 49 0
198 PN K 4-45 Y*O 21 35 21.061 +53 47 11.21           ~ 57 2
199 [BGE2002] BIMA 2 Y*O 21 40 42.36 +58 16 09.7           ~ 123 0
200 NAME IC 1396 North CGb 21 40 42.6537 +58 16 01.882           ~ 193 1
201 IRAS 21519+5613 HII 21 53 38.8 +56 27 53           ~ 40 0
202 IRAS 21526+5728 HII 21 54 18.4 +57 42 51           ~ 23 0
203 IRAS 21548+5747 IR 21 56 29.7 +58 01 35           ~ 14 0
204 IRAS 22134+5834 Y*O 22 15 09.08 +58 49 07.8           ~ 77 0
205 IRAS 22147+5948 MIR 22 16 29.32512 +60 03 31.0824           ~ 21 0
206 LBN 102.79-00.92 HII 22 19 09.0 +56 04 45           ~ 109 0
207 IRAS 22172+5549 Y*O 22 19 09.14787 +56 05 00.0380           ~ 105 0
208 IRAS 22187+5559 HII 22 20 35.0 +56 14 48           ~ 18 0
209 LDN 1204A HII 22 21 26.68 +63 51 38.2           ~ 120 0
210 IRAS 22267+6244 HII 22 28 29.3 +62 59 44           ~ 30 0
211 IRAS 22272+6358A Cld 22 28 52.2 +64 13 43           ~ 53 0
212 IRAS 22305+5803 Y*O 22 32 23.972 +58 18 57.91           ~ 39 0
213 IRAS 22344+5909 MIR 22 36 20.53128 +59 24 54.7992           ~ 12 0
214 BD+57 2615 Be* 22 47 49.5706150416 +58 08 49.516370232   10.44 10.14     B1-3Ve 73 0
215 IRAS 22506+5944 Y*O 22 52 38.09760 +60 01 01.1928           ~ 60 0
216 IRAS 22551+6221 HII 22 57 05.6 +62 37 48           ~ 42 0
217 [BNM96] 109.098-0.346 HII 22 59 05.5344256224 +59 28 23.280817692           ~ 45 0
218 IRAS 23026+5948 IR 23 04 45.4557529824 +60 04 37.582742172           ~ 24 0
219 IRAS 23033+5951 Y*O 23 05 25.1762883456 +60 08 15.374293800           ~ 97 0
220 IRAS 23139+5939 Y*O 23 16 10.3420 +59 55 28.596           ~ 100 0
221 IRAS 23140+6121 IR 23 16 11.7 +61 37 45           ~ 35 0
222 IRAS 23146+5954 IR 23 16 48.9 +60 10 46           ~ 20 0
223 IRAS 23151+5912 HII 23 17 21.0 +59 28 49           ~ 102 0
224 EM* MWC 1080 Ae* 23 17 25.5895018656 +60 50 43.444557384   13.24 11.85 11.251   B0eq 331 0
225 IRAS 23314+6033 HII 23 33 43.8650890512 +60 50 26.959478136           ~ 31 0
226 IRAS 23330+6437 EB* 23 35 23.4690987192 +64 54 29.223307296           ~ 13 0
227 Mol 160 Rad 23 40 54.5 +61 10 28           ~ 121 0
228 IRAS 23448+6010 SFR 23 47 19.8 +60 27 23           ~ 19 0
229 IRAS 23507+6230 IR 23 53 12.9 +62 47 00           ~ 19 0
230 IRAS 23545+6508 * 23 57 05.2 +65 25 11           B 52 0

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