Search
References
Objects
User-defined list
Papers & Acknowledgement
Citation tool
☰
Display data from paper
Select data type:
OH
SZY99 - A comparison of OH and H_2O maser properties of Mira and semiregular variable stars
Short title
: Szymczak & Le Squeren (1999)
Authors
: Szymczak, M. Le Squeren, A. M.
Journal
: Monthly Notices of the Royal Astronomical Society, Volume 304, Issue 2, pp. 415-420.
Bibcode
:
1999MNRAS.304..415S
Abstract
A sample of 17 Miras and nine semiregular variable stars was simultaneously observed in the OH and H_2O maser lines with sensitivities of 0.15 and 0.6 Jy, respectively. One new H_2O source was detected. Among Miras the H_2O maser luminosity is well correlated with the OH maser luminosity. The ratio of H_2O to OH maser luminosities decreases by about four orders of magnitude from the semiregulars to the Miras as a result of an increase in the mass-loss rate. Some semiregulars have maser properties typical of Mira stars. H_2O emission is most likely to be detected from Miras at velocities close to the stellar velocity, while emission at blueshifted velocities dominates the detections from semiregulars. OH emission from the semiregulars usually occurs at greater redshifts and blueshifts with respect to the stellar velocities than OH emission observed from the Miras. The differences in the average composite maser profiles in both groups of stars can be related to the velocity gradients in the maser regions. It is suggested that some semiregular variables with maser emission may be in a later stage of stellar evolution than the Miras.
Comments:
Velocity resolution: 0.28 km/s
Upper limit for non-detections: <0.3 Jy (3σ)
Data not given in Table 1 was provided by M. Szymzcak.
Download as
:
Table (CSV)
,
Spectra (ASCII)
View paper statistics
Detection table from Szymczak & Le Squeren (1999)
Export table to csv
Hide
/
Show
individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
Spectra
Frequency
V
range
V
peak
F
peak
List
Detection
Ref.
(J2000)
(J2000)
(deg.)
(deg.)
(MHz)
(km/s)
(km/s)
(Jy)
Yes
/
No
1
23 58 24.9
+51 23 19.7
114.5608
-10.6191
G114.561-10.619
R Cas
1667
10.4
21.1
0.700
ENG15
+H
2
O
+OH
+SiO
SZY99
23 58 24.9
+51 23 19.7
114.5608
-10.6191
G114.561-10.619
R Cas
1665
6.7
23.1
0.520
ENG15
+H
2
O
+OH
+SiO
SZY99
2
02 44 45.5
+12 19 03
161.4735
-41.9194
G161.474-41.919
RU Ari
1612
7.9
16.2
0.560
ENG15
+H
2
O
+OH
+SiO
SZY99
02 44 45.5
+12 19 03
161.4735
-41.9194
G161.474-41.919
RU Ari
1667
1.2
23.6
0.610
ENG15
+H
2
O
+OH
+SiO
SZY99
02 44 45.5
+12 19 03
161.4735
-41.9194
G161.474-41.919
RU Ari
1665
6.2
17.5
0.094
ENG15
+H
2
O
+OH
+SiO
SZY99
3
00 03 21.3
+55 40 50
116.1440
-6.5562
G116.144-6.556
Y Cas
Spectra
1667
10.1
-22.2
0.420
ENG15
+H
2
O
+OH
+SiO
SZY99
00 03 21.3
+55 40 50
116.1440
-6.5562
G116.144-6.556
Y Cas
1665
9.5
-21.9
0.480
ENG15
+H
2
O
+OH
+SiO
SZY99
4
00 46 0.1
+69 10 53.4
122.4460
6.3149
G122.446+6.315
V524 Cas
1612
18.3
-34.8
1.280
ENG15
+H
2
O
+OH
+SiO
SZY99
00 46 0.1
+69 10 53.4
122.4460
6.3149
G122.446+6.315
V524 Cas
1667
24.5
-24.5
0.120
ENG15
+H
2
O
+OH
+SiO
SZY99
00 46 0.1
+69 10 53.4
122.4460
6.3149
G122.446+6.315
V524 Cas
1665
3.6
-28.1
0.080
ENG15
+H
2
O
+OH
+SiO
SZY99
5
10 53 37.4
+13 42 54.3
233.0220
59.4264
G233.022+59.426
W Leo
1667
9.3
41.8
0.210
ENG15
+H
2
O
+OH
+SiO
SZY99
10 53 37.4
+13 42 54.3
233.0220
59.4264
G233.022+59.426
W Leo
1665
1.1
50.6
0.200
ENG15
+H
2
O
+OH
+SiO
SZY99
6
16 25 47.5
+18 53 32.9
35.3451
40.3509
G35.345+40.351
U Her
1612
9.5
-18.5
2.480
ENG15
+H
2
O
+OH
+SiO
SZY99
16 25 47.5
+18 53 32.9
35.3451
40.3509
G35.345+40.351
U Her
1667
9.5
-18.7
5.160
ENG15
+H
2
O
+OH
+SiO
SZY99
16 25 47.5
+18 53 32.9
35.3451
40.3509
G35.345+40.351
U Her
1665
0.9
-18.8
4.150
ENG15
+H
2
O
+OH
+SiO
SZY99
7
05 55 49.2
+20 10 30.7
188.7151
-2.4921
G188.715-2.492
U Ori
1667
0.4
-41.5
1.630
ENG15
+H
2
O
+OH
+SiO
SZY99
05 55 49.2
+20 10 30.7
188.7151
-2.4921
G188.715-2.492
U Ori
1665
1.2
-41.6
2.210
ENG15
+H
2
O
+OH
+SiO
SZY99
8
04 28 18
+10 09 44.8
185.2174
-25.5813
G185.217-25.581
R Tau
1667
14.4
14.4
0.260
ENG15
+H
2
O
+OH
+SiO
SZY99
04 28 18
+10 09 44.8
185.2174
-25.5813
G185.217-25.581
R Tau
1665
14.7
14.7
0.180
ENG15
+H
2
O
+OH
+SiO
SZY99
9
15 21 39.5
+14 18 53.1
20.4982
52.7865
G20.498+52.787
S Ser
1667
25.2
25.2
0.310
ENG15
+H
2
O
+OH
+SiO
SZY99
15 21 39.5
+14 18 53.1
20.4982
52.7865
G20.498+52.787
S Ser
1665
6.2
19.3
0.140
ENG15
+H
2
O
+OH
+SiO
SZY99
10
06 37 31.3
-01 23 43.6
212.5880
-3.7325
G212.588-3.732
SY Mon
1667
6.2
-58.4
0.180
ENG15
+H
2
O
+OH
+SiO
SZY99
06 37 31.3
-01 23 43.6
212.5880
-3.7325
G212.588-3.732
SY Mon
1665
3.1
-55.3
0.190
ENG15
+H
2
O
+OH
+SiO
SZY99
11
22 12 16.2
+14 33 12.2
75.1858
-33.1833
G75.186-33.183
RS Peg
1667
20.3
-20.3
0.240
ENG15
+OH
SZY99
22 12 16.2
+14 33 12.2
75.1858
-33.1833
G75.186-33.183
RS Peg
1665
20.0
-20.0
0.480
ENG15
+OH
SZY99
12
14 27 16.4
+04 40 41.1
352.6741
57.9715
G352.674+57.971
RS Vir
1612
8.2
-18.4
1.950
ENG15
+H
2
O
+OH
+SiO
SZY99
14 27 16.4
+04 40 41.1
352.6741
57.9715
G352.674+57.971
RS Vir
1667
7.1
-17.4
0.660
ENG15
+H
2
O
+OH
+SiO
SZY99
14 27 16.4
+04 40 41.1
352.6741
57.9715
G352.674+57.971
RS Vir
1665
17.9
-17.9
0.910
ENG15
+H
2
O
+OH
+SiO
SZY99
13
09 47 33.5
+11 25 43.6
223.7207
44.1598
G223.721+44.160
R Leo
1665
5.6
-1.5
0.090
ENG15
+H
2
O
+OH
+SiO
SZY99
14
09 45 34.3
+34 30 42.8
190.5954
49.7711
G190.595+49.771
R LMi
1612
3.9
-3.9
0.320
ENG15
+H
2
O
+OH
+SiO
SZY99
09 45 34.3
+34 30 42.8
190.5954
49.7711
G190.595+49.771
R LMi
1667
8.5
-3.4
0.360
ENG15
+H
2
O
+OH
+SiO
SZY99
09 45 34.3
+34 30 42.8
190.5954
49.7711
G190.595+49.771
R LMi
1665
9.3
-4.1
0.970
ENG15
+H
2
O
+OH
+SiO
SZY99
15
13 19 27.8
+45 31 37.7
107.8913
70.7739
G107.891+70.774
V CVn
1667
6.7
6.7
0.190
ENG15
+H
2
O
+OH
-SiO
SZY99
16
13 02 38
+05 11 8.4
310.3571
67.8959
G310.357+67.896
RT Vir
1665
10.0
13.6
0.630
ENG15
+H
2
O
+OH
+SiO
SZY99
13 02 38
+05 11 8.4
310.3571
67.8959
G310.357+67.896
RT Vir
1667
13.5
10.7
3.840
ENG15
+H
2
O
+OH
+SiO
SZY99
17
07 55 40.2
-28 38 54.8
245.4375
-0.1475
G245.438-0.147
HU Pup
1665
0.8
34.6
0.300
ENG15
+H
2
O
+OH
+SiO
SZY99
07 55 40.2
-28 38 54.8
245.4375
-0.1475
G245.438-0.147
HU Pup
1667
1.1
33.2
0.520
ENG15
+H
2
O
+OH
+SiO
SZY99
18
11 00 33.9
-18 19 29.6
269.2695
37.1958
G269.270+37.196
R Crt
1665
1.0
1.7
1.080
ENG15
+H
2
O
+OH
+SiO
SZY99
11 00 33.9
-18 19 29.6
269.2695
37.1958
G269.270+37.196
R Crt
1667
1.1
1.7
3.240
ENG15
+H
2
O
+OH
+SiO
SZY99
Non-detection table from Szymczak & Le Squeren (1999)
Export table to csv
Hide
/
Show
individual components
ID
Obs. RA
Obs. Dec
l
b
Group id
Source name
F
peak
List
Detection
Ref.
(J2000)
(J2000)
(deg.)
(deg.)
(Jy)
Yes
/
No
1
23 58 24.9
+51 23 19.7
114.5608
-10.6191
G114.561-10.619
R Cas
0.081
ENG15
+H
2
O
+OH
+SiO
SZY99
2
02 26 2.3
-00 10 41.8
166.9655
-54.7513
G166.966-54.751
R Cet
0.192
ENG15
+H
2
O
-OH
+SiO
SZY99
02 26 2.3
-00 10 41.8
166.9655
-54.7513
G166.966-54.751
R Cet
0.192
ENG15
+H
2
O
-OH
+SiO
SZY99
02 26 2.3
-00 10 41.8
166.9655
-54.7513
G166.966-54.751
R Cet
0.126
ENG15
+H
2
O
-OH
+SiO
SZY99
3
08 16 33.8
+11 43 34.5
211.7494
24.1390
G211.749+24.139
R Cnc
0.114
ENG15
+H
2
O
+OH
+SiO
SZY99
08 16 33.8
+11 43 34.5
211.7494
24.1390
G211.749+24.139
R Cnc
0.111
ENG15
+H
2
O
+OH
+SiO
SZY99
08 16 33.8
+11 43 34.5
211.7494
24.1390
G211.749+24.139
R Cnc
0.072
ENG15
+H
2
O
+OH
+SiO
SZY99
4
09 35 30.3
-14 41 28.6
248.1490
26.7014
G248.149+26.701
X Hya
0.126
ENG15
+H
2
O
+OH
+SiO
SZY99
09 35 30.3
-14 41 28.6
248.1490
26.7014
G248.149+26.701
X Hya
0.123
ENG15
+H
2
O
+OH
+SiO
SZY99
09 35 30.3
-14 41 28.6
248.1490
26.7014
G248.149+26.701
X Hya
0.123
ENG15
+H
2
O
+OH
+SiO
SZY99
5
00 03 21.3
+55 40 50
116.1440
-6.5562
G116.144-6.556
Y Cas
0.099
ENG15
+H
2
O
+OH
+SiO
SZY99
6
10 53 37.4
+13 42 54.3
233.0220
59.4264
G233.022+59.426
W Leo
0.081
ENG15
+H
2
O
+OH
+SiO
SZY99
7
04 28 18
+10 09 44.8
185.2174
-25.5813
G185.217-25.581
R Tau
0.132
ENG15
+H
2
O
+OH
+SiO
SZY99
8
15 21 39.5
+14 18 53.1
20.4982
52.7865
G20.498+52.787
S Ser
0.096
ENG15
+H
2
O
+OH
+SiO
SZY99
9
06 37 31.3
-01 23 43.6
212.5880
-3.7325
G212.588-3.732
SY Mon
0.219
ENG15
+H
2
O
+OH
+SiO
SZY99
10
22 12 16.2
+14 33 12.2
75.1858
-33.1833
G75.186-33.183
RS Peg
0.144
ENG15
+OH
SZY99
11
09 47 33.5
+11 25 43.6
223.7207
44.1598
G223.721+44.160
R Leo
0.114
ENG15
+H
2
O
+OH
+SiO
SZY99
09 47 33.5
+11 25 43.6
223.7207
44.1598
G223.721+44.160
R Leo
0.135
ENG15
+H
2
O
+OH
+SiO
SZY99
12
13 19 27.8
+45 31 37.7
107.8913
70.7739
G107.891+70.774
V CVn
0.099
ENG15
+H
2
O
+OH
-SiO
SZY99
13
22 05 42.1
+35 20 54.5
88.7152
-16.2855
G88.715-16.285
SV Peg
0.039
ENG15
+H
2
O
+OH
+SiO
SZY99
22 05 42.1
+35 20 54.5
88.7152
-16.2855
G88.715-16.285
SV Peg
0.045
ENG15
+H
2
O
+OH
+SiO
SZY99
14
14 24 11.6
+25 42 13.4
34.2773
69.2127
G34.278+69.213
RX Boo
0.066
ENG15
+H
2
O
-CH
3
OH I
+OH
+SiO
SZY99
14 24 11.6
+25 42 13.4
34.2773
69.2127
G34.278+69.213
RX Boo
0.060
ENG15
+H
2
O
-CH
3
OH I
+OH
+SiO
SZY99
15
23 55 21.7
+48 38 17.7
113.4683
-13.2004
G113.468-13.200
RS And
0.063
ENG15
+H
2
O
-OH
SZY99
23 55 21.7
+48 38 17.7
113.4683
-13.2004
G113.468-13.200
RS And
0.057
ENG15
+H
2
O
-OH
SZY99
16
09 10 38.8
+30 57 47.3
194.4957
42.0801
G194.496+42.080
RS Cnc
0.054
ENG15
-H
2
O
-OH
SZY99
09 10 38.8
+30 57 47.3
194.4957
42.0801
G194.496+42.080
RS Cnc
0.057
ENG15
-H
2
O
-OH
SZY99
17
16 02 39.2
+47 14 25.3
74.4640
47.7855
G74.463+47.786
X Her
0.183
ENG15
+H
2
O
-OH
SZY99
16 02 39.2
+47 14 25.3
74.4640
47.7855
G74.463+47.786
X Her
0.156
ENG15
+H
2
O
-OH
SZY99
Get selected data
X
DSS colored
2MASS colored
WISE colored
SDSS color
IRAC color I1,I2,I4
GLIMPSE 360
PACS color (70-160 um)
SPIRE color (250-500 um)
NVSS (1.4GHz)
ATLASGAL 870 um
ATLASGAL 870 um + Planck
Bolocam 1.1 mm
UKIDSS K
2MASS K
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.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.image) as image,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,MAX(oh_data_all.date_txt) as date_txt,MAX(line_det) as line_det FROM oh_data_all LEFT JOIN all_objects_withmet ON oh_data_all.grp=all_objects_withmet.group_name WHERE ref ilike 'SZY99' 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.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.image,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.date_txt,line_det FROM oh_data_all LEFT JOIN all_objects_withmet ON oh_data_all.grp=all_objects_withmet.group_name WHERE ref ilike 'SZY99' AND detected=true AND hide=false ORDER BY detected DESC,id