1994A&A...291..577P

Query : 1994A&A...291..577P

1994A&A...291..577P - Astronomy and Astrophysics, volume 291, 577-594 (1994/11-2)

H2O masers from low and intermediate luminosity young stellar objects: H2O masers and YSOs.

PERSI P., PALAGI F. and FELLI M.

Abstract (from CDS):

We have used the Medicina 32-m radiotelescope to search for H2O 22.2GHz maser emission from a sample of 68 red peculiar nebulosities associated with low luminosity (LIR<103L☉) and intermediate luminosity (LIR∼104L☉) YSOs. H2O maser emission was detected in 9 sources, with a new detection in IRAS 18265+0028. Comparison with other samples indicates that YSOs have a higher probability of hosting an H2O maser, when they are associated with red peculiar nebulosities. Seven of the detected sources are associated with molecular outflows, which confirms that these two phenomena are strictly correlated. The maser sources associated with the Class I YSOs (IRAS 03225+3034, and IRAS 03245+3002, in the dark clouds L1448 and L1455 respectively) appear overluminous with respect to their IR luminosity. The maser emission shows a remarkable variability on time scales of months and years, which tends to be larger for lower luminosity sources. This is indicative of unsaturated emission in low luminosity sources.

Abstract Copyright: ∼

Journal keyword(s): masers - infrared: ISM: continuum - stars: formation

Errata: erratum vol. 297 p.285

Simbad objects: 106

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Number of rows : 106
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 PP 1 RNe 00 07 03.4 +65 38 41           ~ 11 0
2 EM* LkHA 198 Ae* 00 11 25.8495450336 +58 49 28.713961920   14.65 13.79 14.03   B9e 223 0
3 IC 10 G 00 20 25.50 +59 17 17.0   13.6 9.5     ~ 1118 1
4 GM 1-33 HH 00 36 47.5 +63 29 02           ~ 120 0
5 [KW97] 3-17 Or* 00 36 51.7735099032 +63 29 30.122627172   15.14 13.72 13.41   F5III 33 0
6 RNO 11 ISM 02 57 17.9 +60 38 24     17.9     ~ 11 0
7 HHL 5 HII 03 07 24.2 +58 30 45           ~ 150 0
8 2MASS J03172668+6009412 Y*O 03 17 26.68 +60 09 41.3           ~ 21 0
9 LDN 1448 DNe 03 22.5 +30 35           ~ 515 0
10 CoKu NGC 1333 Star 1 Y*O 03 25 09.43032 +30 46 21.5796           M2.6 98 0
11 IRAS 03225+3034 IR 03 25 36.49 +30 45 22.2           ~ 159 1
12 LDN 1448NA smm 03 25 36.49 +30 45 22.2           ~ 184 1
13 SSTc2d J032536.4+304522 Y*O 03 25 36.49 +30 45 22.2           ~ 200 1
14 NAME LDN 1455 IRS 1 cor 03 27 39.08 +30 13 03.1           ~ 161 0
15 2MASS J03274767+3012043 Y*O 03 27 47.6828532408 +30 12 04.456916028     19.6     M3.0 103 1
16 LDN 1455 DNe 03 28 00.6480 +30 07 58.800           ~ 186 1
17 PP 10 ISM 03 28 46.9 +30 43 56           ~ 2 0
18 2MASX J03285303+3044559 G 03 28 53.0357354208 +30 44 55.779977760           ~ 10 0
19 IRAS 03507+3801 Y*O 03 54 06.1900610208 +38 10 42.590684496           F5-K0 17 0
20 PP 13 Em* 04 10 41.09496 +38 07 54.3360           ~ 52 1
21 LDN 1473 DNe 04 11.7 +38 10           ~ 26 0
22 IRAS 04374+0715 FIR 04 40 11.1 +07 21 00           ~ 1 0
23 V* SU Aur Or* 04 55 59.3866872552 +30 34 01.499608092   10.33 9.30 9.17   G2IIIne 591 0
24 PP 23 ISM 04 55 59.5 +30 33 43           ~ 2 0
25 V* V347 Aur Or* 04 56 57.0215559600 +51 30 50.884005672           M2Ve 42 1
26 IRAS 04591-0856 Y*O 05 01 29.63520 -08 52 16.8744           K4-M3 20 0
27 NAME HH 240/241 DNe 05 19 48.9 -05 52 05           ~ 111 1
28 IRAS 05280+3408 * 05 31 24.1 +34 10 23     10.9     B1 2 0
29 PP 28 ISM 05 31 24.7 +34 11 12           ~ 2 0
30 NAME RNO 43 FIR HH 05 32 23.0 +12 49 54           ~ 46 0
31 V* V1972 Ori TT* 05 34 30.6428820000 -04 35 52.714152024     16.75   14.39 M1.7 36 0
32 NAME LDN 1641 North HII 05 36 17.6 -06 22 10           ~ 238 0
33 PP 33 ISM 05 36 20.2 -06 26 11           ~ 2 0
34 NGC 1985 RNe 05 37 47.8 +31 59 24           ~ 135 2
35 V* V883 Ori Or* 05 38 18.1018261392 -07 02 26.017707120           F:I: 212 0
36 IC 430 RNe 05 38 18.24 -07 02 26.2           ~ 64 0
37 PP 37 ISM 05 38 19.5 -07 01 20           ~ 2 0
38 CPM 18 Y*O 05 38 47.2 +30 41 28           ~ 25 0
39 GM 1-40 RNe 05 38 49.2 +30 40 39           ~ 3 0
40 PP 39 ISM 05 39 19.1 -07 25 24           ~ 2 0
41 IRAS 05373+2349 Y*O 05 40 24.2280641304 +23 50 54.705306336           ~ 60 1
42 Mol 12 Rad 05 40 24.4 +23 50 54           ~ 49 0
43 GGD 4 HH 05 40 25 +23 50.9           ~ 45 0
44 SH 2-235 B HII 05 40 52.366 +35 41 29.43   17       ~ 179 1
45 BFS 46 HII 05 40 52.9 +35 42 17           ~ 52 0
46 SH 2-235 A HII 05 40 53.333 +35 42 22.29           ~ 56 1
47 NAME Horsehead Nebula DNe 05 40 59.0 -02 27 30           ~ 510 0
48 SH 2-235 HII 05 41.1 +35 50           ~ 218 0
49 LDN 1630 DNe 05 45.5 -00 59           ~ 381 0
50 IRAS 05435-0015 Y*O 05 46 04.775 -00 14 16.51           ~ 73 0
51 HH 26 HH 05 46 05.1 -00 14 17           ~ 100 1
52 HHL 31 HH 05 47 12.9 +30 36 12           ~ 21 0
53 IRAS 05451+0008 FIR 05 47 43.1 +00 09 04           ~ 1 0
54 IRAS 05568+3206 Y*O 06 00 04.99320 +32 06 31.8276           ~ 19 0
55 RAFGL 5174 Y*O 06 00 33.382 +31 56 44.17           ~ 17 0
56 GM 1-6 HII 06 01 54.758 +26 25 00.33           ~ 17 0
57 HD 250550 Ae* 06 01 59.9892055464 +16 30 56.727549864   9.60 9.593 9.64   B9e 244 1
58 GGD 10 HH 06 02.2 -09 07           ~ 12 0
59 IRAS 05598-0906 Y*O 06 02 16.203 -09 06 28.98           ~ 8 0
60 PP 50 ISM 06 02 23.0 -09 07 05           ~ 3 0
61 NGC 2149 RNe 06 03 28.1 -09 43 57           ~ 33 0
62 PP 52 ISM 06 04 31.1 +30 30 47           ~ 4 0
63 LBN 180.71+04.30 RNe 06 04 34.3 +30 30 40           ~ 24 0
64 HHL 35 HH 06 08 00.2 -06 25 30           ~ 7 0
65 IRAS 06093-0554 LP? 06 11 50.2759185576 -05 55 18.706281132           ~ 3 0
66 LEDA 136208 G 06 14 24.1 +17 44 39           ~ 37 0
67 IRAS 06124-0621 IR 06 14 52.9 -06 22 43           ~ 5 0
68 NGC 2245 RNe 06 32 41.3 +10 09 34   11       A0 58 0
69 HBC 547 Em* 06 59 41.56 -07 46 28.8           B2.5e 37 0
70 BFS 62 HII 06 59.7 -07 47           ~ 11 0
71 IRAS 06584-0852 Y*O 07 00 50.94192 -08 56 30.1812           ~ 36 0
72 IRAS 07222-2610 Ae? 07 24 17.5496283600 -26 16 05.296326924   14.73 14.20     A0 14 0
73 IRAS 07227-2423 IR 07 24 52.0 -24 29 29           ~ 7 0
74 PP 82 ISM 16 26 55.9 -24 45 42           ~ 2 0
75 EM* SR 24B TT* 16 26 58.4361499704 -24 45 32.224542876           M0.5e 90 0
76 GM 1-48 RNe 16 34 21.3 -15 47 12           ~ 3 0
77 HBC 650 TT* 16 34 29.32 -15 47 01.4           K3.0 177 2
78 HHL 59 HH 17 58 33.5 -26 07 13           ~ 11 0
79 IRAS 18074-2350 IR 18 10 30.5 -23 49 46           ~ 2 0
80 IRAS 18153-1651 IR 18 18 16.0 -16 50 39           ~ 21 0
81 IRAS 18265+0028 cor 18 29 06.694 +00 30 31.24           ~ 16 0
82 Parsamian 21 Or* 19 29 00.8740757136 +09 38 42.862226208   15.18 14.07 13.93   F5Iabe 91 0
83 PP 89 ISM 19 42 +23.1           ~ 2 0
84 NGC 6820 GNe 19 42 27.930 +23 05 14.75       14.56   ~ 49 0
85 IRAS 19433+2501 LP* 19 45 28.5081595992 +25 08 44.788287012           ~ 3 0
86 IRAS 20106+3143 FIR 20 12 40.3 +31 52 23           ~ 1 0
87 PP 90 ISM 20 20 10.3 +37 09 32           ~ 2 0
88 IRAS 20183+3700 MIR 20 20 14.10192 +37 10 19.4628           ~ 7 0
89 V* V1515 Cyg Or* 20 23 48.0158573016 +42 12 25.781279076   15.26 13.39 12.03   G0/G2Ib 238 0
90 PP 92 ISM 20 24 +42.2           ~ 3 0
91 IRAS 20222+3541 HII 20 24 11.25 +35 51 30.4   15       ~ 16 1
92 GN 20.22.3 RNe 20 24 12.576 +35 51 38.25           ~ 3 0
93 V* PV Cep Or* 20 45 53.9540390184 +67 57 38.679941304   19.27 17.46 15.98 14.60 A5 269 3
94 RNO 129 Y*O 20 59 14.08512 +78 23 04.0020       15.30   G:e 47 1
95 LDN 1174 DNe 21 00 22.4 +68 12 53           ~ 65 0
96 EM* LkHA 120 Or* 21 01 09.2070147480 +50 21 44.806779000 13.37 13.09 11.99 11.75   F0/F4-G5 197 1
97 IRAS 21015+5918 IR 21 02 48.5 +59 30 48           ~ 6 0
98 PP 100 ISM 21 02 56.1 +68 06 45           ~ 3 0
99 IRAS 21023+6754 Y*O 21 02 59.4645407472 +68 06 32.205032280   16.77 15.88 15.69 14.46 ~ 15 0
100 BFS 9 HII 21 11.9 +59 31           ~ 7 0
101 GM 1-12 RNe 21 42 22.0 +54 54 45           ~ 13 0
102 2MASS J21430143+5456183 Y*O 21 43 01.4400 +54 56 17.800           ~ 61 2
103 GN 22.05.1 Y*O 22 06 50.449 +59 02 45.65           ~ 48 0
104 LDN 1165 DNe 22 06 50.7 +59 02 47           ~ 41 0
105 IRAS 22336+6855 MIR 22 35 08.35776 +69 10 41.2392           ~ 8 0
106 EM* LkHA 259 Ae* 23 58 41.6376649416 +66 26 12.727895964   16.63 14.67     A9e 45 0

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