1997A&A...327..755P


Query : 1997A&A...327..755P

1997A&A...327..755P - Astronomy and Astrophysics, volume 327, 755-757 (1997/11-2)

Search for H2O maser emission from high-latitude IRAS sources.

PALLA F., CODELLA C., VALDETTARO R. and BAFFA C.

Abstract (from CDS):

A high-sensitivity search for water maser emission at 22.2 GHz has been performed on a sample of 91 IRAS point sources at high-latitudes. The aim of the survey is to verify if these clouds are capable of star formation as indicated by the presence of water masers. The sample is based on the recent work of Magnani et al. (1995ApJS...96..159M) who have identified 192 infrared objects from the IRAS Faint Source Survey possibly associated with translucent clouds at galactic latitudes |b|≥30°. These IRAS sources have far-infrared colours typical of young stellar objects and pre-main-sequence stars and thus provide a starting list for further studies about their actual nature. H2O maser emission is a good diagnostic of the presence of dense gas and of recent star formation. We did not find water maser emission at a level of 0.2-0.5Jy (3σ) in any of the 91 objects. The negative result indicates that these high-latitude sources do not represent potential sites of star formation, consistent with the fact that most high-latitude molecular clouds do not appear gravitationally bound.

Abstract Copyright:

Journal keyword(s): masers - stars: formation - ISM: clouds - galaxies: starburst

VizieR on-line data: <Available at CDS (J/A+A/327/755): table1 table2>

CDS comments: p.757 : St 202 = EM* StHA 202

Simbad objects: 95

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Number of rows : 95
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 IRAS 00028-0826 G 00 05 23.358 -08 10 12.28   16.297   15.084   ~ 14 0
2 IRAS 00170-0456 AGN 00 19 35.9792724480 -04 40 10.243892568   15.68   14.39   ~ 15 0
3 IRAS 00420+3234 G 00 44 44.4422809704 +32 50 40.702833096           ~ 9 0
4 IRAS 00520-0850 G 00 54 37.4962408272 -08 34 08.474759580   17.80   16.55   ~ 9 0
5 IRAS F01356-1147 * 01 38 04.7526945432 -11 31 52.240648908         16.10 ~ 3 0
6 IRAS 01360+1650 SyG 01 38 42.6495396840 +17 05 41.218909872           ~ 6 0
7 IRAS F01390+1325 Sy1 01 41 43.185 +13 40 32.87   17.37 16.88     ~ 25 0
8 IRAS F02132-1524 QSO 02 15 38.3971661832 -15 10 12.614204136           ~ 9 0
9 IRAS 02160-0650 G 02 18 31.4623606680 -06 36 13.134093156   16.5       ~ 16 0
10 IRAS 02182+1308 G 02 20 56.8321499856 +13 22 03.192263364           ~ 4 0
11 KUG 0231+263 G 02 34 28.1366915376 +26 34 57.392320404   16.0       ~ 9 0
12 IRAS F02393-1752 G 02 41 40.9093701864 -17 39 29.116845036   16.44   15.28   ~ 7 0
13 IRAS 02440+0154 G 02 46 35.1051360456 +02 07 04.419473736           ~ 6 0
14 LDN 1457 DNe 02 55.9 +19 35           ~ 84 1
15 V* WY Ari Or* 02 56 37.5658451640 +20 05 37.249715436   13.29 12.46     K5/6e 84 0
16 MBM 12 MoC 02 56 50 +19 32.0           ~ 217 1
17 V* BX Ari Or* 02 58 11.231808 +20 30 03.14712   13.01 11.84 11.99   K2.0 35 0
18 IRAS F02559-1132 G 02 58 22.5185712600 -11 20 41.586644904   15.21   14.28   ~ 9 0
19 IRAS 03275+1535 G 03 30 23.7791500896 +15 46 02.553606876   16.32       ~ 14 0
20 IRAS 03403-1326 G 03 42 40.1111579184 -13 17 22.305823044   15.01   14.06   ~ 13 0
21 NGC 1471 GiG 03 51 24.506 -15 24 08.16   14.71   14.5 14.2 ~ 25 0
22 IRAS 03541-1303 G 03 56 29.4480110952 -12 55 15.844044792           ~ 7 0
23 MCG-01-11-007 EmG 04 12 15.1396285632 -06 42 10.847480832   15.5       ~ 16 0
24 IRAS 04114-1737 G 04 13 43.550 -17 29 36.90   14.44   13.5 13.5 ~ 20 0
25 IRAS 04253-1150 GiC 04 27 38.9730903240 -11 43 32.532932280   15.95   15.03   ~ 11 0
26 IRAS 04325-1419 Y*O 04 34 49.75392 -14 13 08.6016           ~ 30 0
27 LDN 1642 MoC 04 35 18 -14 13.9           ~ 144 0
28 IRAS 04388-1209 GiC 04 41 10.9071209544 -12 03 24.326899668   17.06   15.82   ~ 11 0
29 IRAS 04439-0700 G 04 46 25.1213524440 -06 54 49.040577900   16.54   15.37   ~ 6 0
30 IRAS 04506-1826 G 04 52 52.756 -18 21 08.65   15.99       ~ 16 0
31 BD-20 1012 * 05 06 56.3131389480 -19 54 37.028729700   11.225 10.762     ~ 9 0
32 IRAS 08027+7311 G 08 08 26.0586995184 +73 02 28.655384064           ~ 6 0
33 IRAS F08216+3009 Sy2 08 24 43.2850671960 +29 59 23.512801812   16.32 15.61     ~ 45 0
34 IRAS F08389+4036 Sy2 08 42 15.234 +40 25 32.79     15.88     ~ 19 0
35 KUG 0849+430 Sy2 08 52 46.9517270280 +42 50 05.697827088   16       ~ 11 0
36 IRAS 09020+5136 rG 09 05 28.8374029560 +51 24 48.982854744           ~ 12 0
37 RX J100508+84205 Sy1 10 05 17.1763991904 +84 20 43.759931604   18.3       ~ 20 0
38 IRAS F10175+0142 mul 10 20 08.5 +01 27 42           ~ 3 0
39 IRAS 10295-1831 Sy1 10 31 57.3070391520 -18 46 33.326887548   11.4   11.7   ~ 51 0
40 2MASS J10404364+5934092 Sy2 10 40 43.6400811984 +59 34 09.235992900   18.88 18.14 17.24   ~ 14 0
41 HS 1046+8027 Sy1 10 50 35.6628768792 +80 11 50.754491772   15.4 15.03     ~ 14 0
42 IRAS F11060+5118 Sy2 11 08 52.5993226464 +51 02 25.798728444           ~ 10 0
43 RX J1109.2+7142 Sy1 11 09 19.7560182024 +71 42 33.438737988     15.70     ~ 16 0
44 IRAS 11335+7344 G 11 36 33.16033 +73 28 10.7690           ~ 7 0
45 IRAS 11537+5734 G 11 56 18.065 +57 17 57.36   16.5       ~ 9 0
46 IRAS 12571+7643 G 12 58 36.1579481016 +76 26 41.317064484           ~ 6 0
47 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4060 2
48 IRAS 13559-1553 EmG 13 58 40.5589867824 -16 08 25.888828740   16.00   14.79   ~ 13 0
49 IRAS F14104-1350 Sy2 14 13 08.6234482680 -14 04 09.896479140   16.32   15.17   ~ 15 0
50 IRAS 14199-0605 G 14 22 38.2645222992 -06 19 35.107175352           ~ 9 0
51 IRAS 15096-1005 EmG 15 12 19.6274175672 -10 16 35.659070868   15.41   14.21   ~ 14 0
52 IRAS F15134+0432 G 15 15 56.918 +04 21 04.93           ~ 5 0
53 IRAS F15141+0008 EmG 15 16 38.9421471984 -00 02 26.185732116   16.92   15.73   ~ 11 0
54 IRAS 15201+8131 G 15 17 05.1216072024 +81 20 56.185064844           ~ 10 0
55 IRAS 15217+2905 Sy2 15 23 47.9164703064 +28 55 03.671943204   18.60 18.06     ~ 15 0
56 IRAS F15264+2340 G 15 28 38.2917510096 +23 29 59.177435748           ~ 8 0
57 IRAS F15456+5506 Sy2 15 46 53.5215123912 +54 57 06.685563528           ~ 14 0
58 LDN 134 MoC 15 53 36.3 -04 35 26           ~ 202 0
59 IRAS F15543+1557 G 15 56 40.1670473856 +15 48 48.153972168           ~ 5 0
60 IRAS 16073+0442 Sy1 16 09 48.2160137304 +04 34 52.954961880   17.51 16.93     ~ 10 0
61 RX J1611.4+5851 Sy1 16 11 24.6795940272 +58 51 01.396451088     15.8     ~ 19 0
62 IRAS F16114+2431 EmG 16 13 33.1216979184 +24 23 35.594058300           ~ 7 0
63 IRAS 16150+2233 Sy1 16 17 08.9540830032 +22 26 27.957444288           ~ 14 0
64 IRAS 16172+6511 G 16 17 40.3052934168 +65 04 02.988300792     18.5     ~ 4 0
65 IRAS F16242+2457 G 16 26 22.0002105816 +24 50 59.481329136           ~ 8 0
66 IRAS 16342+2922 LIN 16 36 14.095 +29 16 13.41           ~ 9 0
67 BD+24 3047 * 16 43 51.3951770448 +24 08 58.967267100   10.63 9.45     K0 4 0
68 IRAS 16430+4249 * 16 44 36.4730037072 +42 43 40.759073832           ~ 4 0
69 IRAS 16500+7739 G 16 47 50.8073824920 +77 34 35.291677116           ~ 4 0
70 IRAS 16511+2354 Sy2 16 53 15.0629382504 +23 49 43.063963572   18.25 17.80     ~ 28 0
71 IRAS 16516+3030 rG 16 53 37.163 +30 26 09.76           ~ 15 0
72 IRAS 16590+7116 G 16 58 26.2513478208 +71 11 51.870790788           ~ 7 0
73 RX J1659.4+4245 Sy1 16 59 29.7998164536 +42 46 05.584853064   17.06 16.78     ~ 12 0
74 IRAS 17030+3453 G 17 04 50.8662345552 +34 48 52.931432808           ~ 14 0
75 IRAS 17038+2917 * 17 05 51.1290088128 +29 13 21.965294100           ~ 2 0
76 IRAS F17130+5733 Sy2 17 13 50.3210892048 +57 29 54.875688720   18.44 17.77     ~ 22 0
77 IRAS 17354+7639 G 17 33 18.8266474128 +76 37 24.614892768           ~ 6 0
78 IRAS F17324+4039 Sy1 17 34 03.4981339680 +40 37 54.278014332     17.27     ~ 10 0
79 IRAS 17442+4919 AGN 17 45 31.8774934248 +49 18 00.992123964   16.41 16.02 16.32   ~ 4 0
80 IRAS 17469+6416 H2G 17 47 14.8738136064 +64 15 51.063785424           ~ 9 0
81 HS 1747+5303 QSO 17 48 39.5635160784 +53 02 42.875652876   16.4       ~ 11 0
82 IRAS 17487+5637 G 17 49 37.427 +56 37 06.62   16.86       ~ 9 0
83 IRAS 17490+5400 mul 17 50 02.3 +53 59 23           ~ 3 0
84 IRAS 17517+6422 G 17 52 00.1870150200 +64 21 40.889606796           ~ 14 0
85 IRAS 17537+6848 PaG 17 53 26.0 +68 48 01           ~ 4 0
86 TYC 4208-1602-1 * 17 55 11.1404392680 +65 21 33.904006128   11.68 10.98 10.96   ~ 4 0
87 RX J1755.6+6209 Sy1 17 55 40.4115646128 +62 09 40.510745424           ~ 16 0
88 IRAS 20573-1332 G 21 00 08.6463220488 -13 20 51.142064964   16.44   15.38   ~ 7 0
89 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2401 1
90 IRAS 21224-0450 AGN 21 25 02.2935785784 -04 37 15.651664752   16.81   15.82   ~ 12 0
91 IRAS F21252-0042 G 21 27 46.3069243392 -00 29 09.755493252   16.91   15.99   ~ 7 0
92 IRAS F21256+0219 AGN 21 28 12.3 +02 32 32           ~ 8 0
93 IRAS F22390-1647 G 22 41 43.2128321208 -16 31 48.942837876           ~ 5 0
94 [DB2002b] G89.19-40.94 MoC 23 08 24 +15 05.3           ~ 82 0
95 V* BP Psc pA? 23 22 24.6974756088 -02 13 41.378919456   13.32 11.85     G9IIIe 44 0

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2022.05.23-23:18:20

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