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OH
ETO03 - Detection of 1612 MHz OH emission in the semiregular variable stars RT Vir, R Crt and W Hya
Short title
: Etoka et al. (2003)
Authors
: Etoka, S. Le Squeren, A. M. Gerard, E.
Journal
: Astronomy and Astrophysics, v.403, p.L51-L54 (2003)
Bibcode
:
2003A&A...403L..51E
Abstract
We present evidence of 1612 MHz emission in SR variable stars. The two SRb, RT Vir and R Crt, as well as the SRa W Hya have been monitored with the upgraded Nançay radio telescope since February 2001. All three objects have shown a weak 1612 MHz emission occuring in the velocity range of the strongest emission observed in the main-lines. Such a detection is the second observational evidence for emission in the 1612 MHz OH maser satellite line from SRb stars. It also confirms the presence of 1612 MHz emission in the SRa W Hya discovered by Etoka et al. (\cite{etoka01}). Such a finding strongly suggests that the shell properties of those three objects are quite similar to those of the Mira stars with similar IR characteristics.
Comments:
Spectral type was set to:
""S"", where only one peak was found.
""D"", where two peaks were found.
Velocity resolution: 0.04 km/s
Input tables
: Table 1
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Table (CSV)
View as list of objects
Detection table from Etoka et al. (2003)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Frequency
V
range
V
peak
F
peak
List
Detection
Class
Dist. (parallax)
Ref.
(J2000)
(J2000)
(deg.)
(deg.)
(MHz)
(km/s)
(km/s)
(Jy)
Yes
/
No
(kpc)
1
13 02 38
+05 11 8.4
310.3571
67.8959
G310.357+67.896
RT Vir
1665
12.3
11.2
13.000
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
13 02 38
+05 11 8.4
310.3571
67.8959
G310.357+67.896
RT Vir
1667
12.3
11.2
1.500
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
3
11 00 33.9
-18 19 29.6
269.2695
37.1958
G269.270+37.196
R Crt
1612
1.8
1.8
0.200
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
11 00 33.9
-18 19 29.6
269.2695
37.1958
G269.270+37.196
R Crt
1665
1.5
1.5
2.800
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
11 00 33.9
-18 19 29.6
269.2695
37.1958
G269.270+37.196
R Crt
1667
1.5
1.5
5.900
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
6
13 49 02
-28 22 3.5
318.0223
32.8108
G318.022+32.811
W Hya
1612
35.6
35.6
0.400
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
13 49 02
-28 22 3.5
318.0223
32.8108
G318.022+32.811
W Hya
1665
6.8
35.7
9.500
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
13 49 02
-28 22 3.5
318.0223
32.8108
G318.022+32.811
W Hya
1667
9.9
35.6
17.000
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
Non-detection table from Etoka et al. (2003)
Export table to csv
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Show
individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Line
List
Detection
Class
Ref.
(J2000)
(J2000)
(deg.)
(deg.)
OH
Yes
/
No
1
13 02 38
+05 11 8.4
310.3571
67.8959
G310.357+67.896
RT Vir
1.612 GHz
;
ENG15
+H
2
O
+OH
+SiO
EVOLVED
ETO03
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X
DSS colored
2MASS colored
WISE colored
PACS color (70-160 um)
SPIRE color (250-500 um)
GLIMPSE 360
SDSS color
IRAC color I1,I2,I4
NVSS (1.4GHz)
ATLASGAL 870 um
ATLASGAL 870 um + Planck
Bolocam 1.1 mm
UKIDSS K
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select MAX(oh_data_all.ra_hms) as ra_hms,MAX(oh_data_all.dec_dms) as dec_dms,MAX(oh_data_all.source_name) as source_name,MAX(oh_data_all.ra) as ra,MAX(oh_data_all.dec) as dec,MAX(oh_data_all.l) as l,MAX(oh_data_all.b) as b,MAX(oh_data_all.grp) as grp,MAX(oh_data_all.other_name) as other_name,MAX(oh_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(oh_data_all.freq) as freq,MAX(oh_data_all.vrange) as vrange,MAX(oh_data_all.vpeak) as vpeak,MAX(oh_data_all.peak) as peak,MAX(oh_data_all.fwhm) as fwhm,MAX(oh_data_all.int) as int,MAX(oh_data_all.rms) as rms,MAX(oh_data_all.units) as units,MAX(oh_data_all.units_rms) as units_rms,MAX(oh_data_all.date_txt) as date_txt,MAX(oh_data_all.telescope_ref) as telescope_ref,MAX(oh_data_all.telescope_conf) as telescope_conf,MAX(oh_data_all.v_step) as v_step,MAX(oh_data_all.beam) as beam,MAX(oh_data_all.beam_maj) as beam_maj,MAX(oh_data_all.beam_min) as beam_min,MAX(oh_data_all.beam_pa) as beam_pa,MAX(oh_data_all.ref) as ref,MAX(oh_data_all.list_ref) as list_ref,MAX(oh_data_all.ascii) as ascii,MAX(oh_data_all.url) as url,MAX(oh_data_all.image) as image,MAX(oh_data_all.image2) as image2,MAX(oh_data_all.image3) as image3,MAX(oh_data_all.descr) as descr,MAX(oh_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(oh_data_all.dist) as dist,1 as dist_parallax,MAX(oh_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 oh_data_all LEFT JOIN all_objects_withmet ON oh_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 oh_data_all.line=transitions."Line" WHERE ref ilike 'ETO03' AND detected=true AND hide=false GROUP BY ref
select oh_data_all.ra_hms,oh_data_all.dec_dms,oh_data_all.source_name,oh_data_all.ra,oh_data_all.dec,oh_data_all.l,oh_data_all.b,oh_data_all.grp,oh_data_all.other_name,oh_data_all.other_desc,oh_data_all.thermal,oh_data_all.freq,oh_data_all.vrange,oh_data_all.vpeak,oh_data_all.peak,oh_data_all.fwhm,oh_data_all.int,oh_data_all.rms,oh_data_all.units,oh_data_all.units_rms,oh_data_all.date_txt,oh_data_all.telescope_ref,oh_data_all.telescope_conf,oh_data_all.v_step,oh_data_all.beam,oh_data_all.beam_maj,oh_data_all.beam_min,oh_data_all.beam_pa,oh_data_all.ref,oh_data_all.list_ref,oh_data_all.ascii,oh_data_all.url,oh_data_all.image,oh_data_all.image2,oh_data_all.image3,oh_data_all.descr,oh_data_all.id,oh_data_all.mjy_flag,oh_data_all.rms_mjy_flag,oh_data_all.dist,oh_data_all.dist_parallax,oh_data_all.date_txt,line_det,type,simbad_types_cat FROM oh_data_all LEFT JOIN all_objects_withmet ON oh_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 oh_data_all.line=transitions."Line" WHERE ref ilike 'ETO03' AND detected=true AND hide=false ORDER BY detected DESC,id
