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CH3OH_I
BAC90 - The 44 GHz methanol masers - Results of an extensive survey in the 7(0)-6(1)A(+) line
Short title
: Bachiller et al. (1990)
Authors
: Bachiller, R. Gomez-Gonzalez, J. Barcia, A. Menten, K. M.
Journal
: Astronomy and Astrophysics (ISSN 0004-6361), vol. 240, no. 1, Dec. 1990, p. 116-122.
Bibcode
:
1990A&A...240..116B
Target type
: H2O
Abstract
A search for emission in the 44-GHz 7(0)-6(1)A(+) transition of CH3OH toward 124 known water masers associated with star-formation regions and evolved stars was conducted. Emission was detected toward 16 sources. In most sources maser action was observed, indicated by narrow intense spectral features. The methanol maser velocities were similar to the systemic velocities of the regions in question and showed no high-velocity features. Several new maser components were found in regions containing previously known methanol masers.
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Detection table from Bachiller et al. (1990)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Line
V
peak
FWHM
∫F dv
List
Beam
Detection
Class
Dist. (parallax)
Ref.
(J2000)
(J2000)
(deg.)
(deg.)
CH
3
OH (class I)
(km/s)
(km/s)
(Jy*km/s)
(arcsec)
Yes
/
No
(kpc)
1
18 36 12.5
-07 12 10.1
24.7898
0.0838
G24.790+0.083
44 GHz (I)
;
114.5
1.8
47.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
2
18 08 56.1
-20 05 53.4
10.3014
-0.1477
G10.323-0.147
44 GHz (I)
;
13.8
2.3
29.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
3
18 20 24.1
-16 11 27.2
15.0352
-0.6737
G15.034-0.674
44 GHz (I)
;
18.9
2.3
25.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
GALAXY
BAC90
4
18 58 12.7
+01 40 36.5
35.1966
-0.7419
G35.197-0.743
44 GHz (I)
;
34.2
3.9
8.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
5
18 14 01
-18 53 25.2
11.9366
-0.6158
G11.936-0.616
44 GHz (I)
;
35.19
0.5
92.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
-OH
SFR
BAC90
18 14 01
-18 53 25.2
11.9366
-0.6158
G11.936-0.616
44 GHz (I)
;
35.8
4.1
92.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
-OH
SFR
BAC90
7
18 27 38.1
-11 56 39.5
19.6088
-0.2351
G19.609-0.234
44 GHz (I)
;
41.43
0.8
23.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
8
18 57 9.1
+01 39 03
35.0524
-0.5178
G35.052-0.518
44 GHz (I)
;
49.94
1.0
26.00
AVE02
2
+H
2
O
+CH
3
OH I
-CH
3
OH II
SFR
BAC90
9
18 00 30.4
-24 04 16.5
5.8816
-0.3945
G5.885-0.392
44 GHz (I)
;
8.77
1.4
93.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
GALAXY
BAC90
18 00 30.4
-24 04 16.5
5.8816
-0.3945
G5.885-0.392
44 GHz (I)
;
12.17
1.2
93.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
GALAXY
BAC90
11
18 46 04
-02 39 21.5
29.9560
-0.0168
G29.956-0.016
44 GHz (I)
;
98.5
1.3
18.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR_MIXED
BAC90
12
05 39 12.9
+35 45 54
173.4808
2.4461
G173.482+2.446
44 GHz (I)
;
-16.67
0.55
14.70
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
13
20 21 42.1
+37 26 7.5
75.7716
0.3432
G75.782+0.343
44 GHz (I)
;
-2
2.3
42.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
14
20 38 59.6
+42 19 23.8
81.6738
0.5399
G81.713+0.567
44 GHz (I)
;
-3.67
0.64
32.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
-SiO
SFR
BAC90
15
02 25 53.6
+62 04 10.6
133.7486
1.1979
G133.749+1.198
44 GHz (I)
;
-38.4
0.7
10.00
AVE02
2
+H
2
O
+CH
3
OH I
-CH
3
OH II
+OH
SFR
BAC90
16
23 13 45.4
+61 28 9.7
111.5422
0.7767
G111.542+0.766
44 GHz (I)
;
-57.35
1.13
52.00
AVE02
2
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
BAC90
17
21 43 49.5
+66 06 45.9
105.4689
9.8283
G105.469+9.828
44 GHz (I)
;
-6.4
1.1
16.00
AVE02
2
+CH
3
OH I
+OH
EVOLVED
BAC90
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select MAX(met1_data_all.ra_hms) as ra_hms,MAX(met1_data_all.dec_dms) as dec_dms,MAX(met1_data_all.source_name) as source_name,MAX(met1_data_all.ra) as ra,MAX(met1_data_all.dec) as dec,MAX(met1_data_all.l) as l,MAX(met1_data_all.b) as b,MAX(met1_data_all.grp) as grp,MAX(met1_data_all.other_name) as other_name,MAX(met1_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(met1_data_all.line) as line,MAX(met1_data_all.vrange) as vrange,MAX(met1_data_all.vpeak) as vpeak,MAX(met1_data_all.peak) as peak,MAX(met1_data_all.fwhm) as fwhm,MAX(met1_data_all.int) as int,MAX(met1_data_all.rms) as rms,MAX(met1_data_all.units) as units,MAX(met1_data_all.units_rms) as units_rms,MAX(met1_data_all.date_txt) as date_txt,MAX(met1_data_all.telescope_ref) as telescope_ref,MAX(met1_data_all.telescope_conf) as telescope_conf,MAX(met1_data_all.v_step) as v_step,MAX(met1_data_all.beam) as beam,MAX(met1_data_all.beam_maj) as beam_maj,MAX(met1_data_all.beam_min) as beam_min,MAX(met1_data_all.beam_pa) as beam_pa,MAX(met1_data_all.ref) as ref,MAX(met1_data_all.list_ref) as list_ref,MAX(met1_data_all.ascii) as ascii,MAX(met1_data_all.url) as url,MAX(met1_data_all.image) as image,MAX(met1_data_all.image2) as image2,MAX(met1_data_all.image3) as image3,MAX(met1_data_all.descr) as descr,MAX(met1_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(met1_data_all.dist) as dist,1 as dist_parallax,MAX(met1_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 met1_data_all LEFT JOIN all_objects_withmet ON met1_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 met1_data_all.line=transitions."Line" WHERE ref ilike 'BAC90' AND detected=true AND hide=false GROUP BY ref
select met1_data_all.ra_hms,met1_data_all.dec_dms,met1_data_all.source_name,met1_data_all.ra,met1_data_all.dec,met1_data_all.l,met1_data_all.b,met1_data_all.grp,met1_data_all.other_name,met1_data_all.other_desc,met1_data_all.thermal,met1_data_all.line,met1_data_all.vrange,met1_data_all.vpeak,met1_data_all.peak,met1_data_all.fwhm,met1_data_all.int,met1_data_all.rms,met1_data_all.units,met1_data_all.units_rms,met1_data_all.date_txt,met1_data_all.telescope_ref,met1_data_all.telescope_conf,met1_data_all.v_step,met1_data_all.beam,met1_data_all.beam_maj,met1_data_all.beam_min,met1_data_all.beam_pa,met1_data_all.ref,met1_data_all.list_ref,met1_data_all.ascii,met1_data_all.url,met1_data_all.image,met1_data_all.image2,met1_data_all.image3,met1_data_all.descr,met1_data_all.id,met1_data_all.mjy_flag,met1_data_all.rms_mjy_flag,met1_data_all.dist,met1_data_all.dist_parallax,met1_data_all.date_txt,line_det,type,simbad_types_cat FROM met1_data_all LEFT JOIN all_objects_withmet ON met1_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 met1_data_all.line=transitions."Line" WHERE ref ilike 'BAC90' AND detected=true AND hide=false ORDER BY detected DESC,id