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OH
LIN96 - A search for OH maser emission from post-asymptotic giant branch stars.
Interferometry data
Short title
: te Lintel Hekkert & Chapman (1996)
Authors
: te Lintel Hekkert, P. Chapman, J. M.
Journal
: Astronomy and Astrophysics Supplement, v.119, p.459-481
Bibcode
:
1996A&AS..119..459T
BiBTeX
Abstract
We present a survey for OH maser emission at 18cm in the direction of 196 IRAS point sources. The primary aim of the survey was to detect OH maser emission from post-asymptotic giant branch (post-AGB) stars. OH emission and/or absorption was detected in the direction of 77 sources of which 57 OH detections were previously unknown, giving an overall detection rate of 39 per cent. Fourteen maser sources associated with evolved stars or planetary nebulae were found, corresponding to 7 per cent of the total observed. These included three planetary nebulae (two new OH detections), nine post-AGB stars (three new OH detections) and two cold OH/IR stars (both previously known). Two sources were of uncertain identification (both new OH detections). The remainder of the OH sources were identified with young stellar objects and with HII regions. The survey included the detection of OH maser emission from HD 101584, an early-type supergiant at high Galactic latitude. For several of the post-AGB stars, changes have occurred in the OH spectral profiles over a period of several years. This is interpreted as evidence for rapid changes in the stellar winds, due either to interactions with stellar companions, novae-like events or rapid stellar evolution.
Comments:
IRAS 15103-5754, classified as HII region, is included, as it is now considered to be a post-AGB star.
Velocity resolution: 0.90 km/s
Upper limit for non-detections: mostly <0.300 Jy (3σ)
Entries for IRAS 15103-5754 and 17423-1755 taken from the spectrum.
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Table (CSV)
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Detection table from te Lintel Hekkert & Chapman (1996)
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individual components
ID
Obs. RA
Obs. Dec
l
b
Source name
Frequency
V
low
V
peak
F
peak
List
Ref.
(J2000)
(J2000)
(deg.)
(deg.)
(MHz)
(km/s)
(km/s)
(Jy)
1
07 42 17.1
-14 42 50
231.835473
4.220792
IRAS 07399-1435
1612
21.1
21.1
0.550
ENG15
LIN96
2
07 42 17.1
-14 42 50
231.835473
4.220792
IRAS 07399-1435
1667
19.0
19.0
13.730
ENG15
LIN96
3
14 50 42.1
-60 16 52
317.203212
-0.75656
IRAS 14468-6004
1612
-87.9
-87.9
2.000
ENG15
LIN96
4
15 44 11.1
-49 55 20
329.142434
3.949814
IRAS 15405-4945
1665
37.8
37.8
2.310
ENG15
LIN96
5
15 44 11.1
-49 55 20
329.142434
3.949814
IRAS 15405-4945
1667
-15.7
-15.7
0.670
ENG15
LIN96
6
16 37 40
-38 20 17
344.073703
5.846602
IRAS 16342-3814
1612
-10.2
-10.2
9.000
ENG15
LIN96
7
16 37 40
-38 20 17
344.073703
5.846602
IRAS 16342-3814
1667
6.1
6.1
2.220
ENG15
LIN96
8
17 03 55.9
-41 23 59
344.928698
0.014482
IRAS 17004-4119
1612
-21.1
-21.1
115.000
ENG15
LIN96
9
17 13 44.8
-37 06 13
349.509336
1.054619
IRAS 17103-3702
1667
-45.7
-45.7
0.160
ENG15
LIN96
10
17 21 11.4
-27 11 38
358.535504
5.471022
IRAS 17180-2708
1667
85.6
85.6
1.320
ENG15
LIN96
11
17 45 14.1
-17 56 47
9.364063
5.778882
IRAS 17423-1755
1667
47.0
47.0
0.700
ENG15
LIN96
12
18 51 46.8
-02 04 09
31.129172
-1.019416
IRAS 18491-0207
1667
63.1
63.1
1.350
ENG15
LIN96
13
19 45 52.1
+24 17 40
60.573955
-0.185759
IRAS 19437+2410
1665
1.7
1.7
0.780
ENG15
LIN96
14
20 29 7.9
+35 45 39
75.265962
-1.841328
IRAS 20272+3535
1612
-15.0
-15.0
6.600
ENG15
LIN96
15
22 05 30.5
+53 21 33
99.633809
-1.835619
IRAS 22036+5306
1612
-66.9
-66.9
0.830
ENG15
LIN96
16
22 05 30.5
+53 21 33
99.633809
-1.835619
IRAS 22036+5306
1667
-68.1
-68.1
0.630
ENG15
LIN96
Non-detection table from te Lintel Hekkert & Chapman (1996)
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Group name
Different Line detections
IRAS source
IRAS coordinates (RA, Dec)
IRAS source distance (arcsec)
IRAS flux density (F12,F25,F60,F100)
2MASS source
2MASS coordinates (RA, Dec)
2MASS source distance (arcsec)
2MASS magnituted (J,H,K)
GCVS source
GCVS coordinates (RA, Dec)
GCVS source distance (arcsec)
GCVS parameters
WISE source
WISE coordinates (RA, Dec)
WISE source distance (arcsec)
WISE magnitudes (w1, w2, w3, w4)
Akari IRC source
Akari IRC coordinates (RA, Dec)
Akari IRC source distance (arcsec)
Akari IRC fluxes (S09, S18)
Akari FIS source
Akari FIS coordinates (RA, Dec)
Akari FIS source distance (arcsec)
Akari FIS fluxes (S65, S90, S140, S160)
Continuum source
Continuum coordinates (RA, Dec)
Continuum source distance (arcsec)
Continuum parameters
Bolocam GPS
BGPS coordinates (RA, Dec)
BGPS source distance (arcsec)
BGPS parameters
EGO source
EGO coordinates (RA, Dec)
EGO source distance (arcsec)
EGO parameters
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O maser detection
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2MASS K
select MAX(oh_data.ra_hms) as ra_hms,MAX(oh_data.dec_dms) as dec_dms,MAX(oh_data.source_name) as source_name,MAX(oh_data.ra) as ra,MAX(oh_data.dec) as dec,MAX(oh_data.l) as l,MAX(oh_data.b) as b,MAX(oh_data.vlow) as vlow,MAX(oh_data.vup) as vup,MAX(oh_data.vpeak) as vpeak,MAX(oh_data.vpeak_e) as vpeak_e,MAX(oh_data.vpeak2) as vpeak2,MAX(oh_data.vpeak2_e) as vpeak2_e,MAX(oh_data.dv) as dv,MAX(oh_data.other_name) as other_name,MAX(oh_data.peak) as peak,MAX(oh_data.peak_e) as peak_e,MAX(oh_data.peak2) as peak2,MAX(oh_data.peak2_e) as peak2_e,MAX(oh_data.int) as int,MAX(oh_data.int_e) as int_e,MAX(oh_data.rms) as rms,MAX(oh_data.date) as date,MAX(oh_data.date2) as date2,MAX(oh_data.telescope_ref) as telescope_ref,MAX(oh_data.units) as units,MAX(oh_data.beam) as beam,MAX(oh_data.ref) as ref,MAX(oh_data.list_ref) as list_ref,MAX(oh_data.ascii) as ascii,MAX(oh_data.image) as image,MAX(oh_data.id) as id,MAX(oh_data.date_txt) as date_txt,MAX(oh_data.freq) as freq FROM oh_data WHERE ref ilike 'LIN96' AND detected=true AND hide=false GROUP BY ref
select oh_data.ra_hms,oh_data.dec_dms,oh_data.source_name,oh_data.ra,oh_data.dec,oh_data.l,oh_data.b,oh_data.vlow,oh_data.vup,oh_data.vpeak,oh_data.vpeak_e,oh_data.vpeak2,oh_data.vpeak2_e,oh_data.dv,oh_data.other_name,oh_data.peak,oh_data.peak_e,oh_data.peak2,oh_data.peak2_e,oh_data.int,oh_data.int_e,oh_data.rms,oh_data.date,oh_data.date2,oh_data.telescope_ref,oh_data.units,oh_data.beam,oh_data.ref,oh_data.list_ref,oh_data.ascii,oh_data.image,oh_data.id,oh_data.date_txt,oh_data.freq FROM oh_data WHERE ref ilike 'LIN96' AND detected=true AND hide=false ORDER BY detected DESC,id
