2006A&A...454L.103R


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.15CEST06:50:19

2006A&A...454L.103R - Astronomy and Astrophysics, volume 454, L103-106 (2006/8-1)

Mass-loss properties of S-stars on the AGB.

RAMSTEDT S., SCHOEIER F.L., OLOFSSON H. and LUNDGREN A.A.

Abstract (from CDS):

We have used a detailed non-LTE radiative transfer code to model new APEX CO(J=3->2) data, and existing CO radio line data, on a sample of 40 AGB S-stars. The derived mass-loss-rate distribution has a median value of 2x10–7M/yr, and resembles values obtained for similar samples of M-stars and carbon stars. Possibly, there is a scarcity of high-mass-loss-rate (≥10–5M/yr) S-stars. The distribution of envelope gas expansion velocities is similar to that of the M-stars, the median is 7.5km/s, while the carbon stars, in general, have higher gas expansion velocities. The mass-loss rate correlates well with the gas expansion velocity, in accordance with results for M-stars and carbon stars.

Abstract Copyright:

Journal keyword(s): stars: AGB and post-AGB - stars: circumstellar matter - stars: late-type - stars: mass-loss

Simbad objects: 40

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Number of rows : 40

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 V* T Cet S* 00 21 46.2731778 -20 03 28.884826   7.32 5.74     M5-6Se 139 0
2 V* R And S* 00 24 01.9473999328 +38 34 37.326131071 10.61 9.36 7.39 4.45 2.30 S5-7/4-5e 338 0
3 V* V365 Cas S* 01 00 53.1528109537 +56 36 45.161559754   10.82 8.96     S6/3 46 0
4 V* S Cas S* 01 19 41.9752833334 +72 36 40.857560507           S3-54-8 113 1
5 V* W And S* 02 17 32.9610669 +44 18 17.769045   9.62       S7-8/1e-M7Se 204 1
6 V* T Cam S* 04 40 08.8659750793 +66 08 48.691758479 10.72 9.65 7.30     S5-6/5e 110 0
7 V* FU Mon S* 06 22 23.8510657225 +03 25 27.893619723 16.86 12.36 9.06     S6.5/7.5 108 1
8 V* DY Gem S* 06 35 57.8107866595 +14 12 46.029119392   11.40 11.20     S8,5 54 0
9 V* R Lyn Mi* 07 01 18.0096855380 +55 19 49.727946188   9.58 7.56     S4-6.5/5-6e 117 0
10 V* R Gem S* 07 07 21.2699664341 +22 42 12.750071105 11.74 9.89 7.68 3.75 0.39 S3.5-6.5/6e 186 0
11 V* AA Cam S* 07 14 52.0705916927 +68 48 15.366595788   9.23 7.79     M5S 61 0
12 V* Y Lyn S* 07 28 11.6139802943 +45 59 26.215265764 9.88 8.71 6.98 4.25 1.96 M6S 133 0
13 V* Z Ant S* 10 45 58.8782464417 -35 15 04.394587029   11.38 10.00     S5,4 27 0
14 V* UY Cen S* 13 16 31.8300061387 -44 42 15.757551544 14.09 10.03 7.13     S6/8 76 0
15 V* TT Cen S* 13 19 35.0158270198 -60 46 46.290333346     11.50     SC5:/8+ 48 0
16 V* AM Cen S* 13 47 17.6164374695 -53 21 25.925708582   11.6 10.40     SC 35 0
17 V* GI Lup S* 15 06 16.3155590069 -41 28 13.855126053     10.40     S7,8e 30 0
18 V* ST Her S* 15 50 46.6248794228 +48 28 58.809091874   9.09 7.75     M6S-M7SIII: 154 0
19 V* ST Sco S* 16 36 36.2201071224 -31 14 02.441986908   11.36 10.40     S8/4.5 47 0
20 V* RT Sco S* 17 03 32.5563917962 -36 55 13.675752470     7.00     S7,2 64 0
21 V* TV Dra AB* 17 08 24.5033659606 +64 19 08.749158393   11.02 9.68     M8S: 34 0
22 IRC -30285 V* 17 13 41.052 -31 50 17.35           M10 10 0
23 IRC -10401 S* 18 10 24.8191131908 -10 34 15.829851850     16     M7S 23 0
24 V* VX Aql S* 19 00 09.6086657298 -01 34 56.713255865   15.23 12.20     SC5/8e 65 0
25 V* ST Sgr S* 19 01 29.1971991570 -12 45 34.111292361   12.13 7.20     S6-7.5/2.5e 67 0
26 V* S Lyr S* 19 13 11.8053496248 +26 00 27.847739165           SC 69 0
27 V* W Aql S* 19 15 23.3581458294 -07 02 50.308513461   12.72 10.14     S6/6e 206 0
28 V* T Sgr S* 19 16 14.4369275919 -16 58 17.074185822   11.81 7.10     S4.5-6/5.5-6e 124 0
29 V* EP Vul S* 19 33 17.8368383275 +23 39 19.498655898   15.65 11.00     S6.5/5 51 1
30 V* R Cyg S* 19 36 49.3563270715 +50 11 59.719752717   9.96 6.10   6.447 S4-8/6e 264 1
31 RAFGL 2425 AB* 19 39 00.7432415688 -16 51 56.601810281           M10III 48 0
32 CSS2 41 S* 19 39 07.7682989836 +29 02 38.830749229           S 27 0
33 * chi Cyg S* 19 50 33.9243904 +32 54 50.609683 7.02 6.06 4.24 1.81 -0.01 S6-9/1-2e 663 0
34 V* AA Cyg S* 20 04 27.6056199286 +36 49 00.463589913   10.93 8.79     S6/3 84 0
35 V* DK Vul S* 20 06 33.9520431494 +24 26 00.125562618   12.76 10.99     S4,2 34 0
36 V* RZ Sgr S* 20 15 28.4028079595 -44 24 37.482236482   11.21 10.40     S4,4ep 67 0
37 V* RZ Peg Mi* 22 05 52.9711216769 +33 30 24.810194832   11.40 7.60     SC5-9/9-e 145 0
38 V* RX Lac S* 22 49 56.8991009353 +41 03 04.306722519   10.11 8.62     S7.5/1e 48 0
39 V* V386 Cep LP* 22 53 12.3314657743 +61 17 00.550458793           M3Ib 44 0
40 V* WY Cas S* 23 58 01.3075303591 +56 29 13.468672815   12.48 10.76     S6-6.5/6-e 68 0

    Equat.    Gal    SGal    Ecl

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2020.07.15-06:50:19

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