2009MNRAS.397.1386B

Query : 2009MNRAS.397.1386B

2009MNRAS.397.1386B - Mon. Not. R. Astron. Soc., 397, 1386-1401 (2009/August-2)

Revealing the transition from post-AGB stars to planetary nebulae: non-thermal and thermal radio continuum observations.

BAINS I., COHEN M., CHAPMAN J.M., DEACON R.M. and REDMAN M.P.

Abstract (from CDS):

Midcourse Space eXperiment and Infrared Astronomical Satellite colour diagnostics as well as OH maser profile characteristics were used to select a sample of post-asymptotic giant branch (pAGB) candidates for a radio continuum detection experiment with the Australia Telescope Compact Array. Seven out of 28 sources, six of which are new detections, show a continuum. A planetary nebula serendipitously detected in the field of an undetected pAGB candidate also reveals radio continuum. The radio continuum properties of these eight sources are described. Almost half have non-thermal emission. dusty modelling of the infrared spectral energy distributions (SEDs) of the three strongest detections reveals that they all have central stars with temperatures substantially lower than that required for significant photoionization, leading us to infer that the radio continuum has arisen from wind-shock interactions. This hypothesis is consistent with the detection of non-thermal radio emission in one of these three objects.

Abstract Copyright: © 2009 The Authors. Journal compilation © 2009 RAS

Journal keyword(s): masers - stars: AGB and post-AGB - stars: late-type - stars: winds, outflows - radio continuum: stars

Simbad objects: 41

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Number of rows : 41
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* V Hya C* 10 51 37.2615873024 -21 15 00.333928044   12.23 6.80 7.42   C-N:6 391 0
2 IRAS 14341-6211 pA* 14 38 04.9917881305 -62 24 47.584802977           O-rich 22 0
3 IRAS 15367-5420 PN? 15 40 38.36688 -54 30 18.9792           O-rich 11 0
4 IRAS 15445-5449 pA* 15 48 19.41672 -54 58 20.1468           O-rich 40 0
5 IRAS 16342-3814 pA* 16 37 39.8691983808 -38 20 17.443998996           ~ 142 0
6 IRAS 16372-4808 OH* 16 40 55.6905596256 -48 13 59.207253024         16.30 O-rich 13 0
7 NGC 6302 PN 17 13 44.5 -37 06 11           O-rich 821 2
8 RAFGL 6815S pA* 17 18 19.8040606320 -32 27 21.547417932           G2I 153 0
9 IRAS 17151-3845 OH* 17 18 34.79208 -38 48 57.1536           O-rich 9 0
10 IRAS 17164-3226 PN 17 19 40.8218640149 -32 29 52.712109403         16.38 O-rich 23 0
11 2MASS J17194122-3229553 * 17 19 41.2307484120 -32 29 55.302212796         14.54 ~ 1 0
12 IRAS 17162-3751 OH* 17 19 41.91744 -37 54 55.6380           O-rich 9 0
13 IRAS 17188-3838 OH* 17 22 18.78456 -38 41 39.3360           O-rich 13 0
14 OH 351.60+00.32 OH* 17 22 42.66264 -35 49 31.5588           O-rich 15 0
15 IRAS 17205-3556 OH* 17 23 57.34800 -35 58 51.0348           O-rich 9 0
16 IRAS 17245-3951 pA* 17 28 04.6523711554 -39 53 44.300653761     16.468   13.168 F6I 39 0
17 IRAS 17256-3258 OH* 17 28 55.77120 -33 00 42.7644           O-rich 11 0
18 OH 354.88-00.54 OH* 17 35 02.72136 -33 33 29.4120           O-rich 74 1
19 OH 357.09-00.37 OH* 17 39 57.52224 -31 35 56.9580           O-rich 12 0
20 IRAS 17392-3020 OH* 17 42 30.525 -30 22 07.86           O-rich 17 0
21 IRAS 17414-3108 OH* 17 44 39.77352 -31 10 05.0376           O-rich 10 0
22 OH 000.74+00.41 OH* 17 45 46.67520 -28 05 29.3028           O-rich 13 0
23 RAFGL 2046 HII 18 00 32.1 -24 04 03           ~ 380 0
24 IRAS 17576-2653 pA* 18 00 49.5577909998 -26 53 12.819679319           A7I 19 0
25 OH 010.04-00.10 OH* 18 08 16.38432 -20 16 11.5608           O-rich 35 0
26 OH 011.54+00.10 OH* 18 10 38.6717322672 -18 52 58.340521200           O-rich 39 0
27 IRAS 18103-1738 OH* 18 13 20.26560 -17 37 16.9896           O-rich 10 0
28 OH 017.7-02.0 pA* 18 30 30.703 -14 28 57.04           O-rich 145 1
29 OH 023.7+00.2 OH* 18 33 49.60584 -08 04 01.2072           O-rich 28 0
30 OH 023.1-00.3 OH* 18 34 11.32152 -08 58 02.4852           O-rich 20 0
31 OH 024.7+00.3 OH* 18 35 29.21616 -07 13 10.9740           O-rich 40 0
32 IRAS 18342-0655 mul 18 36 58.0 -06 53 16           ~ 13 0
33 GPSR 025.489-0.287 Rad 18 38 49.64 -06 45 08.0           ~ 3 1
34 OH 025.5-00.3 OH* 18 38 50.54280 -06 44 49.6068           O-rich 24 0
35 IRAS 18361-0647 mul 18 38 50.7 -06 44 54           ~ 23 0
36 IRAS 18434-0202 OH* 18 46 05.80992 -01 59 17.4732           O-rich 11 0
37 IRAS 18588+0428 OH* 19 01 20.05464 +04 32 31.5780           O-rich 19 0
38 PN Vy 2-2 PN 19 24 22.2390166933 +09 53 56.259102426   14.02 12.65 13.38   O-rich 274 0
39 PN K 3-35 PN 19 27 43.9749997920 +21 30 02.907990216           O-rich 161 0
40 Min 1-92 pA* 19 36 18.9295687968 +29 32 49.785288144 12.13 12.35 11.75 11.54   B0.5IV[e] 267 0
41 V* V1610 Cyg pA* 21 02 18.27 +36 41 37.0           F5Iae 892 1

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