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SiO
DEG05A - Detection of SiO Maser Emission in V838 Mon
Short title
: Deguchi et al. (2005A)
Authors
: Deguchi, Shuji Matsunaga, Noriyuki Fukushi, Hinako
Journal
: Publications of the Astronomical Society of Japan, Vol.57, No.5, pp. L25-L28
Bibcode
:
2005PASJ...57L..25D
Abstract
We report on the detection of 43GHz SiO maser emission in V838 Mon, a prototype of a new class of eruptive variables, in which a red supergiant was formed after a nova-like eruption in 2002. The detection of SiO masers indicates that the star formed after the eruption is indeed a kind of cool mass-losing object with circumstellar masers. The measured radial velocity and the intensity of maser emission are consistent with the object being located at a distance of about 7kpc from the sun. It also suggests that a considerable percentage of SiO masing objects in the Galaxy are formed by the same mechanism as that which created V838 Mon. eprintid: arXiv:astro-ph/0507363
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Detection table from Deguchi et al. (2005A)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Spectra
Line
V
peak
T
a
∫T
a
dv
Telescope
RMS
Detection
Class
Dist. (parallax)
(J2000)
(J2000)
(deg.)
(deg.)
SiO
(km/s)
(K)
(K*km/s)
(Jy)
Yes
/
No
(kpc)
1
07 04 4.8
-03 50 51.1
217.7975
1.0522
G217.798+1.052
V838 Mon
Spectra
43.1 GHz
;
54.6
0.197
0.577
NRO
0.034
+SiO
UNK
2
07 04 4.8
-03 50 51.1
217.7975
1.0522
G217.798+1.052
V838 Mon
Spectra
42.8 GHz
;
54.2
0.251
0.396
NRO
0.042
+SiO
UNK
3
07 04 4.8
-03 50 51.1
217.7975
1.0522
G217.798+1.052
V838 Mon
Spectra
43.1 GHz
;
53.5
0.33
0.813
NRO
0.070
+SiO
UNK
4
07 04 4.8
-03 50 51.1
217.7975
1.0522
G217.798+1.052
V838 Mon
Spectra
42.8 GHz
;
54.1
0.419
0.681
NRO
0.065
+SiO
UNK
Non-detection table from Deguchi et al. (2005A)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Line
Date
Telescope
RMS
Detection
Class
(J2000)
(J2000)
(deg.)
(deg.)
SiO
(Jy)
Yes
/
No
1
07 04 4.8
-03 50 51.1
217.7975
1.0522
G217.798+1.052
V838 Mon
86.2 GHz
;
2005-04-24
NRO
0.034
+SiO
UNK
2
18 50 36.7
-21 23 29.6
13.6277
-9.4001
G13.628-9.400
V4332 Sgr
43.1 GHz
;
2005-03-10
NRO
0.052
-CH
3
OH II
-SiO
EVOLVED
3
18 50 36.7
-21 23 29.6
13.6277
-9.4001
G13.628-9.400
V4332 Sgr
42.8 GHz
;
2005-03-10
NRO
0.068
-CH
3
OH II
-SiO
EVOLVED
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IRAC color I1,I2,I4
GLIMPSE 360
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ATLASGAL 870 um
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select MAX(sio_data_all.ra_hms) as ra_hms,MAX(sio_data_all.dec_dms) as dec_dms,MAX(sio_data_all.source_name) as source_name,MAX(sio_data_all.ra) as ra,MAX(sio_data_all.dec) as dec,MAX(sio_data_all.l) as l,MAX(sio_data_all.b) as b,MAX(sio_data_all.grp) as grp,MAX(sio_data_all.other_name) as other_name,MAX(sio_data_all.other_desc) as other_desc,BOOL_OR(thermal) as thermal,MAX(sio_data_all.line) as line,MAX(sio_data_all.vrange) as vrange,MAX(sio_data_all.vpeak) as vpeak,MAX(sio_data_all.peak) as peak,MAX(sio_data_all.fwhm) as fwhm,MAX(sio_data_all.int) as int,MAX(sio_data_all.rms) as rms,MAX(sio_data_all.units) as units,MAX(sio_data_all.units_rms) as units_rms,MAX(sio_data_all.date_txt) as date_txt,MAX(sio_data_all.telescope_ref) as telescope_ref,MAX(sio_data_all.telescope_conf) as telescope_conf,MAX(sio_data_all.v_step) as v_step,MAX(sio_data_all.beam) as beam,MAX(sio_data_all.beam_maj) as beam_maj,MAX(sio_data_all.beam_min) as beam_min,MAX(sio_data_all.beam_pa) as beam_pa,MAX(sio_data_all.ref) as ref,MAX(sio_data_all.list_ref) as list_ref,MAX(sio_data_all.ascii) as ascii,MAX(sio_data_all.url) as url,MAX(sio_data_all.image) as image,MAX(sio_data_all.image2) as image2,MAX(sio_data_all.image3) as image3,MAX(sio_data_all.descr) as descr,MAX(sio_data_all.id) as id,BOOL_OR(mjy_flag) as mjy_flag,BOOL_OR(rms_mjy_flag) as rms_mjy_flag,MAX(sio_data_all.dist) as dist,1 as dist_parallax,MAX(sio_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 sio_data_all LEFT JOIN all_objects_withmet ON sio_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' WHERE ref ilike 'DEG05A' AND detected=true AND hide=false GROUP BY ref
select sio_data_all.ra_hms,sio_data_all.dec_dms,sio_data_all.source_name,sio_data_all.ra,sio_data_all.dec,sio_data_all.l,sio_data_all.b,sio_data_all.grp,sio_data_all.other_name,sio_data_all.other_desc,sio_data_all.thermal,sio_data_all.line,sio_data_all.vrange,sio_data_all.vpeak,sio_data_all.peak,sio_data_all.fwhm,sio_data_all.int,sio_data_all.rms,sio_data_all.units,sio_data_all.units_rms,sio_data_all.date_txt,sio_data_all.telescope_ref,sio_data_all.telescope_conf,sio_data_all.v_step,sio_data_all.beam,sio_data_all.beam_maj,sio_data_all.beam_min,sio_data_all.beam_pa,sio_data_all.ref,sio_data_all.list_ref,sio_data_all.ascii,sio_data_all.url,sio_data_all.image,sio_data_all.image2,sio_data_all.image3,sio_data_all.descr,sio_data_all.id,sio_data_all.mjy_flag,sio_data_all.rms_mjy_flag,sio_data_all.dist,sio_data_all.dist_parallax,sio_data_all.date_txt,line_det,type,simbad_types_cat FROM sio_data_all LEFT JOIN all_objects_withmet ON sio_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' WHERE ref ilike 'DEG05A' AND detected=true AND hide=false ORDER BY detected DESC,id