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H
2
O
TAN97 - The relation between water maser and CO outflow in strong far infrared sources
Short title
: Tang et al. (1997)
Authors
: Tang, Ge-shi Sun, Jin Lu, Jing
Journal
: Chinese Astronomy and Astrophysics, Volume 21, Issue 2, p. 197-211.
Bibcode
:
1997ChA&A..21..197T
Target type
: IRAS
Abstract
A selected set of 56 IRAS point sources with 100 μm flux > 500 Jy were searched for H
2
O maser emission at 22 GHz, usingthe 13.7 m telescope at Qinghai Observing Station. 11 new masers were found (Table 2). A statistical analysis is made on our and others' data of H
2
O masers and CO outflows. We found: 1) The mechanical luminosities of CO outflow, L
mCO
, are correlated with the far infrared luminosities, L
FIR
, and are anti-correlated with the with the infrared spectral indices S
12-60
. 2) The integrated luminosities of H
2
O masers are also correlated with L
FIR
, and are not correlated with S
12-60
. 3) For a given L
mCO
, there is a lower bound to L
H
2
O
. The largest L
mCO
corresponds to the largest L
H
2
O
. 4) The detection rates of both H
2
O masers and CO outflows increase with increasing L
FIR
. 5) The distribution of S is more restricted to smaller values for the CO outflows and more extended for H
2
O masers. 6) In general, there are more H
2
O masers than CO outflows, and the detection rate of H
2
O masers in known CO ouflows is higher than that of Co outflows in known H
2
O masers. It is shown that these results can be understood in terms of the circumstances that surround the formation of large mass stars.
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Table (CSV)
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Detection table from Tang et al. (1997)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Image
Line
V
range
V
peak
F
peak
Telescope
V
step
RMS
Beam
Detection
Class
Dist. (parallax)
Date
(J2000)
(J2000)
(deg.)
(deg.)
H
2
O
(km/s)
(km/s)
(Jy)
(km/s)
(Jy)
(arcsec)
Yes
/
No
(kpc)
1
02 26 50.8
+62 15 52.2
133.7827
1.4198
G133.783+1.420
02230+6202
Image
22 GHz
;
-46;-45.2
-46
79.3
PMODLH
0.16
38.800
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
SFR
93 5 20
02 26 50.8
+62 15 52.2
133.7827
1.4198
G133.783+1.420
02230+6202
22 GHz
;
-46.2;-45.3
-46.2
23.9
PMODLH
0.16
5.730
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
SFR
93 12 1
3
06 09 7.8
+21 50 38.7
188.7959
1.0331
G188.796+1.033
06061+2151
Image
22 GHz
;
-5.7;-14.5
-5.7
94.2
PMODLH
0.16
23.300
250
+H
2
O
-CH
3
OH I
+CH
3
OH II
SFR
93 5 21
4
06 09 51.7
+20 29 25.4
190.0633
0.5275
G190.054+0.533
06068+2030
Image
22 GHz
;
-40.1
32.3
PMODLH
0.16
11.400
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
MIXED
93 8 16
06 09 51.7
+20 29 25.4
190.0633
0.5275
G190.054+0.533
06068+2030
22 GHz
;
-38.7
28.5
PMODLH
0.16
8.550
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
MIXED
93 12 4
6
09 47 56.7
+13 16 42.9
221.4451
45.0577
G221.445+45.058
09452+1330
Image
22 GHz
;
-21.2;-18.8
-21.2
75.5
PMODLH
0.16
16.800
250
+H
2
O
-CH
3
OH I
-OH
EVOLVED
93 5 17
09 47 56.7
+13 16 42.9
221.4451
45.0577
G221.445+45.058
09452+1330
22 GHz
;
-30.3;-31.5
-30.3
37.3
PMODLH
0.16
9.310
250
+H
2
O
-CH
3
OH I
-OH
EVOLVED
93 8 16
09 47 56.7
+13 16 42.9
221.4451
45.0577
G221.445+45.058
09452+1330
22 GHz
;
-21.6
20.5
PMODLH
0.16
5.890
250
+H
2
O
-CH
3
OH I
-OH
EVOLVED
93 12 5
9
18 27 38.7
-03 49 54.1
26.7997
3.5287
G26.802+3.526
18250-0351
Image
22 GHz
;
-75.5
22.5
PMODLH
0.16
4.550
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
-SiO
MIXED
93 8 14
10
18 34 19.8
-05 59 44.2
25.6469
1.0534
G25.649+1.050
18316-0602
Image
22 GHz
;
39
88.2
PMODLH
0.16
11.500
250
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
93 8 14
11
18 42 58.2
-04 13 59.8
28.1999
-0.0499
G28.200-0.050
18403-0417
Image
22 GHz
;
-19.1;-15.5
-19.1
25.2
PMODLH
0.16
5.220
250
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
93 8 14
12
19 00 59.3
+04 12 6.4
37.7593
-0.2043
G37.763-0.214
18585+0407
Image
22 GHz
;
-62.5
22.9
PMODLH
0.16
5.700
250
+H
2
O
+CH
3
OH I
+CH
3
OH II
SFR
93 8 14
13
19 13 27.8
+10 53 33.9
45.1216
0.1321
G45.122+0.132
19111+1048
Image
22 GHz
;
-4.73
20.9
PMODLH
0.16
5.460
250
+H
2
O
-CH
3
OH I
+CH
3
OH II
+OH
SFR
93 8 14
14
20 10 11.5
+27 29 6.4
66.1533
-3.1846
G66.153-3.185
20081+2720
Image
22 GHz
;
42;33.8
42
16.5
PMODLH
0.16
5.240
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
SFR
93 8 14
15
20 19 39.3
+40 56 30.4
78.4360
2.6580
G78.436+2.658
20178+4046
Image
22 GHz
;
-37.4;-46.1
-37.4
16.9
PMODLH
0.16
4.900
250
+H
2
O
-CH
3
OH I
-CH
3
OH II
-OH
SFR
93 8 14
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NVSS (1.4GHz)
ATLASGAL 870 um
ATLASGAL 870 um + Planck
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select MAX(h2o_data_all.ra_hms) as ra_hms,MAX(h2o_data_all.dec_dms) as dec_dms,MAX(h2o_data_all.source_name) as source_name,MAX(h2o_data_all.ra) as ra,MAX(h2o_data_all.dec) as dec,MAX(h2o_data_all.l) as l,MAX(h2o_data_all.b) as b,MAX(h2o_data_all.grp) as grp,MAX(h2o_data_all.other_name) as other_name,MAX(h2o_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(h2o_data_all.line) as line,MAX(h2o_data_all.vrange) as vrange,MAX(h2o_data_all.vpeak) as vpeak,MAX(h2o_data_all.peak) as peak,MAX(h2o_data_all.fwhm) as fwhm,MAX(h2o_data_all.int) as int,MAX(h2o_data_all.rms) as rms,MAX(h2o_data_all.units) as units,MAX(h2o_data_all.units_rms) as units_rms,MAX(h2o_data_all.date_txt) as date_txt,MAX(h2o_data_all.telescope_ref) as telescope_ref,MAX(h2o_data_all.telescope_conf) as telescope_conf,MAX(h2o_data_all.v_step) as v_step,MAX(h2o_data_all.beam) as beam,MAX(h2o_data_all.beam_maj) as beam_maj,MAX(h2o_data_all.beam_min) as beam_min,MAX(h2o_data_all.beam_pa) as beam_pa,MAX(h2o_data_all.ref) as ref,MAX(h2o_data_all.list_ref) as list_ref,MAX(h2o_data_all.ascii) as ascii,MAX(h2o_data_all.url) as url,MAX(h2o_data_all.image) as image,MAX(h2o_data_all.image2) as image2,MAX(h2o_data_all.image3) as image3,MAX(h2o_data_all.descr) as descr,MAX(h2o_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(h2o_data_all.dist) as dist,1 as dist_parallax,MAX(h2o_data_all.date_txt) as date_txt,MAX(line_det) as line_det,MAX(type) as type,MAX(simbad_types_cat) as simbad_types_cat FROM h2o_data_all LEFT JOIN all_objects_withmet ON h2o_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON h2o_data_all.line=transitions."Line" WHERE ref ilike 'TAN97' AND detected=true AND hide=false GROUP BY ref
select h2o_data_all.ra_hms,h2o_data_all.dec_dms,h2o_data_all.source_name,h2o_data_all.ra,h2o_data_all.dec,h2o_data_all.l,h2o_data_all.b,h2o_data_all.grp,h2o_data_all.other_name,h2o_data_all.other_desc,h2o_data_all.thermal,h2o_data_all.line,h2o_data_all.vrange,h2o_data_all.vpeak,h2o_data_all.peak,h2o_data_all.fwhm,h2o_data_all.int,h2o_data_all.rms,h2o_data_all.units,h2o_data_all.units_rms,h2o_data_all.date_txt,h2o_data_all.telescope_ref,h2o_data_all.telescope_conf,h2o_data_all.v_step,h2o_data_all.beam,h2o_data_all.beam_maj,h2o_data_all.beam_min,h2o_data_all.beam_pa,h2o_data_all.ref,h2o_data_all.list_ref,h2o_data_all.ascii,h2o_data_all.url,h2o_data_all.image,h2o_data_all.image2,h2o_data_all.image3,h2o_data_all.descr,h2o_data_all.id,h2o_data_all.mjy_flag,h2o_data_all.rms_mjy_flag,h2o_data_all.dist,h2o_data_all.dist_parallax,h2o_data_all.date_txt,line_det,type,simbad_types_cat FROM h2o_data_all LEFT JOIN all_objects_withmet ON h2o_data_all.grp=all_objects_withmet.group_name LEFT JOIN object_categories ON all_objects_withmet.group_name = object_categories.group_name_cat AND object_categories.tbl_cat = 'all_objects_withmet' LEFT JOIN transitions ON h2o_data_all.line=transitions."Line" WHERE ref ilike 'TAN97' AND detected=true AND hide=false ORDER BY detected DESC,id
