2017MNRAS.470.1593V

Query : 2017MNRAS.470.1593V

2017MNRAS.470.1593V - Mon. Not. R. Astron. Soc., 470, 1593-1611 (2017/September-2)

An infrared photometric and spectroscopic study of post-AGB stars.

VENKATA RAMAN V., ANANDARAO B.G., JANARDHAN P. and PANDEY R.

Abstract (from CDS):

We present here Spitzer mid-infrared (IR) spectra and modelling of the spectral energy distribution (SED) of a selection of post-asymptotic giant branch (PAGB) stars. The mid-IR spectra of the majority of these sources showed spectral features such as polycyclic aromatic hydrocarbons (PAHs) and silicates in emission. Our results from SED modelling showed interesting trends of dependence between the photospheric and circumstellar parameters. A trend of dependence is also noticed between the ratios of equivalent widths (EWs) of various vibrational modes of PAHs and the photospheric temperature T* and model-derived stellar parameters for the sample stars. The PAGB mass-loss rates derived from the SED models are found to be higher than those for AGB stars. In a few objects, low- and high-excitation fine-structure emission lines were identified, indicating their advanced stage of evolution. Further, IR vibration modes of fullerene (C60) were detected for the first time in the PAGB star IRAS 21546+4721.

Abstract Copyright: © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: spectroscopic - stars: AGB and post-AGB - circumstellar matter - stars: evolution - stars: mass-loss - dust, extinction - dust, extinction

Simbad objects: 77

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Number of rows : 77
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 IRAS 01005+7910 pA* 01 04 45.5109702912 +79 26 46.357116648   11.04 10.87 10.85   B1.7Ibeq 75 0
3 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
4 IRAS 04296+3429 pA* 04 32 56.9743899192 +34 36 12.459816288   16.13 14.09 13.64 11.64 G0Ia 149 0
5 IRAS 05089+0459 s*r 05 11 36.1536560160 +05 03 26.241197256   16.08 14.33 14.03   M3I 33 1
6 IRAS 05113+1347 pA* 05 14 07.7664787608 +13 50 28.200887160   14.786 12.574 11.663 10.26 G5I 72 0
7 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
8 IRAS 05341+0852 pA* 05 36 55.0511076432 +08 54 08.656315452   15.37 13.45 12.95 11.43 F5I 126 0
9 V* DY Ori pA* 06 06 14.9085939696 +13 54 19.118975940   12.956 11.503 11.030   O-rich 54 1
10 HD 44179 pA* 06 19 58.2185496 -10 38 14.706068 9.51 9.33 9.02     B9Ib/II 800 0
11 IRAS 06530-0213 pA* 06 55 31.8205478808 -02 17 28.243142520   16.38 13.99 13.26   F5Ia 87 0
12 HD 51585 pA? 06 58 30.4066932552 +16 19 26.138751492   11.48 11.20     B:eI/BQ[] 82 0
13 HD 56126 pA* 07 16 10.2590823192 +09 59 47.954735376   9.20 8.32     F0/5Ia 330 0
14 IRAS 08005-2356 AB* 08 02 40.7049577608 -24 04 42.588796404   12.454 11.139 10.930   F5Iae 99 0
15 CPD-40 2663 Or* 08 35 22.6183905936 -40 36 36.361170072   12.46 12.32     B9Ve 25 0
16 HD 90177 s*b 10 22 53.8430096928 -59 37 28.363616256 9.16 9.66 8 8.15   LBV 342 0
17 IRAS 11201-6545 pA* 11 22 18.8868609096 -66 01 50.678455692   13.84 13.04 12.77 11.68 A3Ie 9 0
18 IRAS 11339-6004 pA? 11 36 20.6998976462 -60 20 53.509602245         17.83 ~ 18 0
19 HD 306753 pA? 11 37 42.9291543216 -60 53 51.430964316   12.98 12.43 12.23 11.40 B5Ie 14 0
20 IRAS 11387-6113 pA* 11 41 08.7104227704 -61 30 17.334303228           A3Ie 16 0
21 IRAS 12145-5834 pA? 12 17 16.1012616019 -58 51 29.518613167   16.245 15.207 15.151   ~ 9 0
22 SOPS IV a-266 pA* 13 27 36.9373937952 -50 52 06.132451764   13.04 12.33 12.16   A7/9Ie 20 0
23 IRAS 13313-5838 pA* 13 34 37.4129893008 -58 53 32.360159508     13.15     K5I 24 0
24 IRAS 13500-6106 pA? 13 53 34.40904 -61 20 52.2312           ~ 11 0
25 IRAS 13529-5934 pA? 13 56 24.5914811652 -59 48 57.179816006           ~ 13 0
26 IRAS 14325-6428 pA* 14 36 34.3740180048 -64 41 31.082196876   12.56 12.00     F5I 28 0
27 IRAS 14341-6211 pA* 14 38 04.9917881305 -62 24 47.584802977           O-rich 22 0
28 IRAS 14346-5952 pA? 14 38 24.6221879664 -60 04 53.082139008         14.79 ~ 10 0
29 IRAS 14429-4539 pA* 14 46 13.7806495872 -45 52 05.292328188           G0Ie 33 0
30 IRAS 14482-5725 pA* 14 51 57.9928011328 -57 38 16.950522482   16.816 15.068 14.517   A2I 12 0
31 IRAS 15482-5741 pA? 15 52 19.4524895606 -57 50 53.200683691           ~ 16 0
32 CD-59 6142 pA* 16 25 02.6099313408 -60 03 32.317608456 9.85 10.31 9.97 10.00   A0Iae 44 0
33 IRAS 16494-3930 pA? 16 52 55.4441577525 -39 34 56.188618918   17.650 16.044 15.814   G2I 10 0
34 IRAS 16559-2957 pA* 16 59 08.2318866480 -30 01 40.247567184   13.578 13.016 13.059   F5I(e) 33 0
35 IRAS 17009-4154 pA? 17 04 29.6093682792 -41 58 38.632672956           ~ 17 0
36 BD-18 4436 pA* 17 10 24.1453877400 -18 49 00.649851744   11.96 11.46     B5Ibe 34 0
37 OH 345.05-01.86 pA* 17 12 22.79112 -42 25 10.4340           O-rich 39 0
38 IRAS 17130-4029 OH* 17 16 29.0381730811 -40 32 30.748243619         17.285 O-rich 12 0
39 OH 349.81-00.32 OH* 17 20 15.03600 -37 39 33.8436           O-rich 35 0
40 IRAS 17195-2710 pA* 17 22 43.6463764992 -27 13 36.953157360           O-rich 25 0
41 LS IV -15 3 pA* 17 23 11.9082133464 -15 37 15.108664584   12.40 12.01     B1IIIpe 30 0
42 IRAS 17234-4008 pA* 17 26 56.1268486440 -40 11 02.210386128         15.828 ~ 17 0
43 IRAS 17253-2831 OH* 17 28 32.9579972421 -28 33 25.835621639       13.242 11.575 M4II 14 0
44 IRAS 17287-3443 pA* 17 32 05.600 -34 45 39.00           ~ 10 0
45 OH 359.75+02.63 pA* 17 34 53.2942870128 -27 45 11.589059196       15.189   F5I 30 1
46 CD-49 11554 pA* 17 35 02.4970127232 -49 26 26.379787848 10.57 11.14 10.74     B1Iae 62 0
47 OH 359.1+01.2 OH* 17 39 07.6910736888 -29 04 02.937172404           O-rich 26 0
48 IRAS 17364-1238 pA? 17 39 16.9178126710 -12 40 29.707862437   13.656 13.025 13.143   ~ 11 0
49 IRAS 17376-2040 pA* 17 40 38.5791419195 -20 41 52.605080080           F6I 10 0
50 LS 4331 pA* 17 41 00.0445083192 -16 18 12.446093340   13.57 13.22 13.22   B1Ibe 24 0
51 Hen 3-1475 PN 17 45 14.1819342984 -17 56 46.778166204       12.733   B7e 201 0
52 PN Tc 1 PN 17 45 35.2879212240 -46 05 23.717122728   11.30 11.49     PCyg 280 0
53 OH 010.5+04.5 pA* 17 51 48.9235421885 -17 42 25.758576688       12.816   F7I 18 0
54 SS 336 pA? 17 56 56.0194444344 -06 04 09.790246380   14.14 12.68 12.67 11.15 ~ 15 0
55 IRAS 17580-3111 pA* 18 01 20.4011430491 -31 11 20.375380122     21.456   16.055 O-rich 27 0
56 CD-34 12448 s*b 18 05 38.2817927376 -34 09 30.237873192 11.7 13.18 12.83 12.36   B9Ia+e 26 0
57 HD 341617 pA* 18 08 20.0857525920 +24 10 43.321447236   11.41 11.39     B1IIIe 92 0
58 OH 020.8+00.5 OH* 18 27 23.82144 -10 30 22.4712           O-rich 28 0
59 IRAS 18533+0523 pA* 18 55 47.300 +05 27 10.00           ~ 9 0
60 OH 035.2-02.6 pA* 19 05 02.0381133528 +00 48 50.467761000         14.36 G0-5 48 0
61 BD-02 4931 pA* 19 18 22.7165647344 -02 42 10.880466588   11.55 10.78     B1III 42 0
62 EM* StHA 161 pA* 19 21 55.2903649824 +35 02 55.026546000 10.74 11.49 11.54 11.34   Fe 35 0
63 IRAS 19306+1407 pA* 19 32 55.0789401120 +14 13 36.941000916   15.22   13.30 12.61 B0-1I 36 0
64 HD 184738 PN 19 34 45.2337620448 +30 30 58.950651240   10.41 10.44     [WC9] 976 0
65 IRAS 19454+2920 C* 19 47 24.8045352600 +29 28 10.765023096           C-rich 51 0
66 IRAS 19477+2401 pA* 19 49 54.9088013304 +24 08 53.507444604       20.0   F4/7I 48 0
67 BD-13 5550 pA* 20 01 49.8291561312 -12 41 17.767855176 10.62 11.3 11.4     B1Ibe 77 0
68 IRAS 20259+4206 pA? 20 27 41.71008 +42 16 42.9420           ~ 10 0
69 LS II +34 26 PN 20 48 16.6321353648 +34 27 24.344529588 10.48 11.11 10.9     B1.5Ia/Iabe 76 0
70 EM* VES 351 pA* 20 58 55.5723597912 +49 31 13.219852260   12.72 11.63     F3Ie 42 0
71 IRAS 21289+5815 pA* 21 30 22.8458254056 +58 28 51.987900324           A9 19 0
72 IRAS 21546+4721 pA? 21 56 32.9574507240 +47 36 12.841232904           ~ 19 0
73 EM* GGR 44 pA* 22 04 12.3052557528 +53 04 01.351197264   13.23 12.51     Be 45 0
74 IRAS 22036+5306 pA* 22 05 30.28608 +53 21 32.7888           F4III 79 0
75 V* V448 Lac pA* 22 24 31.4283564864 +43 43 10.978781916 11.22 10.61 9.69     F7I 115 0
76 HD 213985 pA* 22 35 27.5260668720 -17 15 26.894587392 9.31 9.08 8.90     A0III 118 0
77 IRAS 23304+6147 pA* 23 32 44.7858431592 +62 03 49.090372272   15.36 12.99 12.23 10.50 G2Ia 121 0

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