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CH3OH_I
LAD16 - Molecular emission in dense massive clumps from the star-forming regions S231-S235
Short title
: Ladeyschikov et al. (2016)
Authors
: Ladeyschikov, D. A. Kirsanova, M. S. Tsivilev, A. P. Sobolev, A. M.
Journal
: Astrophysical Bulletin, Volume 71, Issue 2, pp.208-224
Bibcode
:
2016AstBu..71..208L
Target type
: CO_clumps,IRAS
Transitions
: SiO_1-0v0,CH3OH_25-30_GHz(I),CH3OH_36(I),CH3OH_44(I),CH3OH_84(I),CH3OH_95(I),CH3OH_6(II),CH3OH_37(II),CH3OH_38(II)
Abstract
The paper is concerned with the study of the star-forming regions S231-S235 in radio lines of molecules of the interstellar medium---carbon monoxide (CO), ammonia (NH
3
), cyanoacetylene (HC
3
N), in maser lines---methanol (CH
3
OH) and water vapor (H
2
O). The regions S231-S235 belong to the giant molecular cloudG174+2.5. The goal of this paper is to search for new sources of emission toward molecular clumps and to estimate their physical parameters from CO and NH
3
molecular lines. We obtained new detections ofNH
3
andHC
3
Nlines in the sources WB89673 and WB89 668 which indicates the presence of high-density gas. From the CO line, we derived sizes, column densities, and masses of molecular clumps. From the NH
3
line, we derived gas kinetic temperatures and number densities in molecular clumps. We determined that kinetic temperatures and number densities of molecular gas are within the limits 16-30 K and 2.8-7.2 × 10
3
cm
-3
respectively. The shock-tracing line of CH
3
OH molecule at a frequency of 36.2 GHz was detected in WB89 673 for the first time. eprintid:
arXiv:1605.08917
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:
Table (CSV)
View as list of objects
Detection table from Ladeyschikov et al. (2016)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Other name
Line
V
peak
FWHM
T
a
Telescope
RMS
Beam
Detection
Class
Dist. (parallax)
(J2000)
(J2000)
(deg.)
(deg.)
IRAS
CH
3
OH (class I)
(km/s)
(km/s)
(K)
(Jy)
(arcsec)
Yes
/
No
(kpc)
1
05 38 0.6
+35 59 17
173.1617
2.3584
G173.165+2.345
WB89 673
05345+3556
36 GHz (I)
;
-18.51(0.05)
0.3(0.10)
0.21 (0.04)
RT22_PRAO
0.050
120
+H
2
O
+CH
3
OH I
-CH
3
OH II
SFR
05 38 0.6
+35 59 17
173.1617
2.3584
G173.165+2.345
WB89 673
05345+3556
36 GHz (I)
;
-18.91(0.16)
3.2(0.38)
0.17(0.04)
RT22_PRAO
120
+H
2
O
+CH
3
OH I
-CH
3
OH II
SFR
3
05 39 10.2
+35 45 15
173.4851
2.4326
G173.482+2.446
S233-IR
05358+3543
36 GHz (I)
;
-15.81(0.09)
1.6 (0.2)
0.47(0.07)
RT22_PRAO
0.080
120
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
05 39 10.2
+35 45 15
173.4851
2.4326
G173.482+2.446
S233-IR
05358+3543
36 GHz (I)
;
-17.7(0.48)
3.5 (0.8)
0.23(0.07)
RT22_PRAO
120
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
SFR
5
05 40 53.3
+35 41 35
173.7220
2.6959
G173.719+2.698
S235-AB
05375+3540
36 GHz (I)
;
-16.34(0.03)
0.42(0.07)
0.57(0.04)
RT22_PRAO
0.070
120
+H
2
O
+CH
3
OH I
-CH
3
OH II
+OH
SFR_MIXED
05 40 53.3
+35 41 35
173.7220
2.6959
G173.719+2.698
S235-AB
05375+3540
36 GHz (I)
;
-16.64(0.15)
2.38(0.34)
0.27(0.04)
RT22_PRAO
120
+H
2
O
+CH
3
OH I
-CH
3
OH II
+OH
SFR_MIXED
7
20 38 55
+42 19 23
81.6651
0.5510
G81.713+0.567
Dr21
-
36 GHz (I)
;
-2.73(0.02)
0.49(0.04)
1.82(0.06)
RT22_PRAO
0.090
120
+H
2
O
+CH
3
OH I
+CH
3
OH II
+OH
-SiO
SFR
Non-detection table from Ladeyschikov et al. (2016)
Export table to csv
Hide
/
Show
individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Other name
Line
T
a
Telescope
RMS
Beam
Detection
Class
(J2000)
(J2000)
(deg.)
(deg.)
IRAS
CH
3
OH (class I)
(K)
(Jy)
(arcsec)
Yes
/
No
1
05 41 21.6
+36 10 00
173.3696
3.0269
G173.374+3.031
WB89 690
05380+3608
36 GHz (I)
;
< 0.08
RT22_PRAO
0.080
120
+H
2
O
-CH
3
OH I
SFR_MIXED
2
05 36 54.3
+36 10 16
172.8873
2.2678
G172.876+2.268
WB89 668
05335+3609
36 GHz (I)
;
< 0.10
RT22_PRAO
0.100
120
+H
2
O
-CH
3
OH I
-CH
3
OH II
SFR
3
05 39 24.7
+35 41 28
173.5646
2.4406
G173.580+2.442
G173.57+2.43
05361+3539
36 GHz (I)
;
< 0.28
RT22_PRAO
0.280
120
+H
2
O
+CH
3
OH I
-CH
3
OH II
SFR_MIXED
4
05 41 8.8
+35 49 47
173.6335
2.8126
G173.634+2.817
S235 Central E
05377+3548
36 GHz (I)
;
< 0.15
RT22_PRAO
0.150
120
+H
2
O
-CH
3
OH I
-CH
3
OH II
SFR
5
05 41 29
+35 48 58
173.6811
2.8634
G173.676+2.873
S235 East 1
05382+3547
36 GHz (I)
;
< 0.13
RT22_PRAO
0.130
120
-H
2
O
-CH
3
OH I
-CH
3
OH II
SFR
6
05 41 25.6
+35 52 21
173.6271
2.8834
G173.621+2.869
S235 East2
05379+3550
36 GHz (I)
;
< 0.13
RT22_PRAO
0.130
120
-H
2
O
-CH
3
OH I
+CH
3
OH II
SFR
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ATLASGAL 870 um
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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 'LAD16' 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 'LAD16' AND detected=true AND hide=false ORDER BY detected DESC,id
