2014MNRAS.444.3592D


Query : 2014MNRAS.444.3592D

2014MNRAS.444.3592D - Mon. Not. R. Astron. Soc., 444, 3592-3602 (2014/November-2)

Determining stellar macroturbulence using asteroseismic rotational velocities from Kepler.

DOYLE A.P., DAVIES G.R., SMALLEY B., CHAPLIN W.J. and ELSWORTH Y.

Abstract (from CDS):

The Rossiter-McLaughlin effect observed for transiting exoplanets often requires prior knowledge of the stellar projected equatorial rotational velocity (vsini). This is usually provided by measuring the broadening of spectral lines, however this method has uncertainties as lines are also broadened by velocity fields in the stellar photosphere known as macroturbulence (vmac). We have estimated accurate vsini values from asteroseismic analyses of main-sequence stars observed by Kepler. The rotational frequency splittings of the detected solar-like oscillations of these stars are determined largely by the near-surface rotation. These estimates have been used to infer the vmac values for 28 Kepler stars. Out of this sample, 26 stars were used along with the Sun to obtain a new calibration between vmac, effective temperature and surface gravity. The new calibration is valid for the temperature range 5200 to 6400 K and the gravity range 4.0 to 4.6 dex. A comparison is also provided with previous vmac calibrations. As a result of this work, vmac, and thus vsini, can now be determined with confidence for stars that do not have asteroseismic data available. We present new spectroscopic vsini values for the WASP planet host stars, using high-resolution HARPS spectra.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): asteroseismology - line: profiles - planets and satellites: fundamental parameters - stars: rotation

CDS comments: Table 3: HD 183606 is a misprint for HD 186306.

Simbad objects: 66

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Number of rows : 66
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 WASP-32 * 00 15 50.8077262344 +01 12 01.588900896   12.06 11.26 11.63 10.89 ~ 36 1
2 WASP-26 * 00 18 24.7008060816 -15 16 02.275778784   11.62 11.30 10.99 10.46 G0 41 1
3 CD-24 102 * 00 20 38.5350433008 -23 56 08.602809216   11.388 10.779 10.765   ~ 32 1
4 HD 10069 * 01 37 25.0332798696 -45 40 40.374717456   9.74 9.30     F6IV/V 187 1
5 BD+01 316 PM* 01 46 31.8575937456 +02 42 02.030065560   10.13 9.52     F7 47 0
6 BD+00 316 * 01 57 03.2039481048 +00 45 31.875052896   11.35 10.56     ~ 25 1
7 BD-07 436A PM* 02 28 37.2277668480 -07 03 38.376446076   11.07 10.29     G8 29 1
8 WASP-50 * 02 54 45.1341750384 -10 53 53.025224640   12.43 11.44 11.599   G9V 35 1
9 WASP-22 * 03 31 16.3267124400 -23 49 10.840600632   12.38 11.99 11.41   G 48 1
10 WASP-78 * 04 15 01.5042985272 -22 06 59.103350532   12.65 11.96 12.43 11.65 F8 32 1
11 WASP-61 V* 05 01 11.9186755656 -26 03 14.967643572   12.83 12.49     F7 20 1
12 CPD-64 484 * 05 48 33.5933253192 -63 59 18.388382028   10.73 10.21 9.93 9.742 ~ 44 1
13 WASP-19 V* 09 53 40.0765648584 -45 39 33.057187596   13.05 12.31 12.12 11.35 G8V 156 2
14 WASP-31 * 11 17 45.3578677224 -19 03 17.217631800   12.01 11.66 11.98   F: 51 1
15 CD-29 9873 * 12 42 28.4949559632 -30 38 23.529045948   12.36 11.63 11.39 10.78 G8V 49 1
16 WASP-25 * 13 01 26.3760406392 -27 31 19.922387484   12.27 11.87 11.82 11.08 G4 40 1
17 WASP-55 * 13 35 01.9537865424 -17 30 12.527623872   12.69 11.75     G1 42 1
18 BD+00 3088 * 13 41 49.0301166312 -00 07 41.032748568   11.01 10.41 10.0 9.773 F8 25 1
19 CD-31 10766 * 13 55 42.7120177608 -32 09 34.616222028   11.396 10.910     F7 61 1
20 WASP-16 * 14 18 43.9225013904 -20 16 31.843626168   12.51 11.29 11.00 10.49 G3V 60 1
21 HAT-P-27 * 14 51 04.1870399712 +05 56 50.548526376   13.18 12.19 11.98 11.23 G8 51 1
22 WASP-24 * 15 08 51.7367171808 +02 20 35.962165104   12.00 11.22 11.43   F8-9 44 1
23 HD 146389 * 16 15 50.3653280520 +10 01 57.284258556   9.866 9.39 9.22   F8 45 1
24 BD+47 2683 * 18 43 42.4230433392 +47 56 16.009897416   9.85 9.26     G0V 63 0
25 HD 173701 PM* 18 44 35.1191008536 +43 49 59.790008892   8.37 7.52     G8V 150 0
26 BD+46 2555 Ro* 18 47 39.2486448504 +46 41 09.979229364   9.98 9.52     F6IV 45 0
27 BD+43 3102 Ro* 18 51 39.5934542496 +43 38 09.727323360   10.10 9.44     G5V 53 0
28 HD 175226 * 18 52 16.4984285976 +43 42 35.801031636   7.91 7.42     F6IV 64 0
29 BD+45 2796 PM* 18 56 21.2642726544 +45 30 53.234154468   9.80 9.29     G0.5IV 79 0
30 HD 176071 Er* 18 56 22.1268370056 +45 30 25.361404632   8.81 8.33     F8IV 77 0
31 HD 176153 Ro* 18 56 36.6514583496 +47 39 23.133492756   9.20 8.68     F9IV-V 71 0
32 HD 176693 Ro* 18 59 08.6844743448 +48 25 23.600359776   9.34 8.83     F8V 108 0
33 HD 177153 PM* 19 01 39.6780721176 +41 29 24.328113936   7.76 7.21     G0 99 0
34 BD+38 3428 PM* 19 05 45.2617733112 +38 31 22.560830328   9.77 9.22     F9IV-V 53 0
35 HD 178509 Ro* 19 06 55.9481056080 +42 40 19.342963020   9.39 8.86     F8IV 46 0
36 BD+42 3247 PM* 19 06 58.3280630808 +42 26 08.260897020   10.32 9.75     G0.5IV 59 0
37 HD 178688 * 19 07 43.5917202168 +41 56 15.730146420   9.48 9.02     F6IV 38 0
38 HD 179070 Ro* 19 09 26.8349590368 +38 42 50.455534860   8.767 8.25 8.00   F6IV 152 1
39 HD 179260 * 19 10 11.6372611944 +38 04 55.831675296   8.94 8.49     F5IV-V 55 0
40 HD 179732 * 19 11 53.4817713600 +42 06 27.748644156   9.19 8.74     F5IV-V 38 0
41 BD+39 3706 PM* 19 16 34.9026130056 +40 02 50.359631244       9.1   G1.5V 68 0
42 HD 234856 Ro* 19 17 45.8018919144 +50 28 48.274775580   9.87 9.32     F9IV-V 71 0
43 HD 181207 PM* 19 17 46.3565007888 +41 24 36.838219932   9.06 8.47     F9IV-V 77 0
44 BD+43 3221 * 19 20 47.9392965792 +44 09 18.751522032   10.03 9.50     F9IV-V 67 0
45 BD+43 3228 PM* 19 23 56.4112114464 +43 18 52.537486464   10.84 10.15     G0V 51 0
46 HD 182756 * 19 24 30.3488274144 +40 19 23.671912908   9.01 8.31     G1V 59 0
47 TYC 3551-149-1 PM* 19 27 20.4900952416 +48 57 12.010523580   10.59 9.85     G5IV 48 0
48 BD+36 3570 Ro* 19 28 19.8441075024 +37 03 35.403120000   9.40 8.97     F8IV 53 0
49 BD+46 2726 Ro* 19 34 43.0022454096 +46 51 09.938179044   10.36 9.64     K0V 106 0
50 TYC 3143-53-1 Ro* 19 35 03.7372740120 +42 44 16.724850540   10.31 9.85     F8IV 55 0
51 BD+44 3183 PM* 19 35 50.5739000112 +44 52 50.022974316   9.38 8.92     G0IV 52 0
52 TYC 3135-624-1 PM* 19 36 48.8136243480 +38 42 56.789855496   10.35 9.55     G5IV 66 0
53 TYC 3135-416-1 * 19 38 10.6797868344 +38 31 00.667275996   10.20 9.72     F5IV-V 30 0
54 TYC 3556-3445-1 PM* 19 40 21.2108930904 +45 29 20.963746392   10.48 9.91     G3V 62 0
55 HD 186306 PM* 19 41 45.6454247760 +43 44 51.716276232   8.70 7.96     G9V 53 0
56 HD 187637 PM* 19 49 18.1388793264 +41 34 56.859084552       7.2   F8V 101 0
57 BD+47 2934 Ro* 19 50 14.2728443568 +47 28 25.166654760   9.68 9.24     F5IV-V 39 0
58 HD 190166 PM* 20 01 51.4248305136 +44 21 14.147515008   10.13 9.58     F8V 47 0
59 WASP-2 V* 20 30 54.1282355304 +06 25 46.341284844   13 11.98     K1.5 124 1
60 WASP-21 * 23 09 58.2534443016 +18 23 45.885822792   12.12 11.55 11.52   G3V 46 1
61 WASP-6 * 23 12 37.7368282608 -22 40 26.273805024   12.90 11.91     G8V 80 1
62 WASP-4 PM* 23 34 15.0857248317 -42 03 41.047972591   13.51 12.48 11.9   G7V 149 1
63 WASP-28 * 23 34 27.8814904872 -01 34 48.110067912   12.61     11.47 F8-G0 35 1
64 WASP-30 * 23 53 38.0549675760 -10 07 05.095516692   12.15 11.91 11.51 10.83 F8V 32 0
65 WASP-5 V* 23 57 23.7564672192 -41 16 37.743700800   12.808 12.146 12.058 11.44 G4V 104 1
66 CD-35 16019 PM* 23 59 36.0711872328 -35 01 52.923618408   10.49 9.87 9.91   G6 94 0

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2022.07.06-09:13:14

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