1997A&A...328..349S

Query : 1997A&A...328..349S

1997A&A...328..349S - Astronomy and Astrophysics, volume 328349-360 (1997/12-1)

The role of convection on the uvby colours of A, F, and G stars.

SMALLEY B. and KUPKA F.

Abstract (from CDS):

We discuss the effects of convection on the theoretical uvby colours of A, F, and G stars. The standard mixing-length theory atlas9 models of Kurucz (1993, CD-ROM 13: ATLAS9, SAO, Cambridge, USA), with and without approximate overshooting, are compared to models using the turbulent convection theory proposed by Canuto & Mazzitelli (1991ApJ...370..295C, 1992ApJ...389..724C) and implemented by Kupka (1996, ASPConf. Proc. 108, 73). Comparison with fundamental Teff and logg stars reveals that the Canuto & Mazzitelli models give results that are generally superior to standard mixing-length theory (MLT) without convective overshooting. MLT models with overshooting are found to be clearly discrepant. This is supported by comparisons of non-fundamental stars, with Teff obtained from the Infrared Flux Method and logg from stellar evolutionary models for open cluster stars. The Canuto & Mazzitelli theory gives values of (b-y)0 and c0 that are in best overall agreement with observations. Investigations of the m0 index reveal that all of the treatments of convection presented here give values that are significantly discrepant for models with Teff<6000K. It is unclear as to whether this is due to problems with the treatment of convection, missing opacity, or some other reason. None of the models give totally satisfactory m0 indices for hotter stars, but the Canuto & Mazzitelli models are in closest overall agreement above 7000K. Grids of uvby colours, based on the CM treatment of convection, are presented. These grids represent an improvement over the colours obtained from models using the mixing-length theory. The agreement with fundamental stars enables the colours to be used directly without the need for semi-empirical adjustments that were necessary with the earlier colour grids.

Abstract Copyright: ∼

Journal keyword(s): convection - stars: atmospheres - stars: general - stars: fundamental parameters

VizieR on-line data: <Available at CDS (J/A+A/328/349): cm_m05.dat cm_m10.dat cm_p00.dat cm_p05.dat cm_p10.dat table5>

Simbad objects: 130

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Number of rows : 130
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 HD 570 ** 00 10 24.6864055272 +58 31 25.858192800   9.06 8.93 8.77   A 14 0
2 * mu. And PM* 00 56 45.2090751570 +38 29 57.603377713 4.14 3.99 3.87 3.72 3.64 A6V 227 0
3 * tet Cas PM* 01 11 06.1620929203 +55 08 59.638991981 4.630 4.510 4.330 4.16 4.09 A7V 210 0
4 * 12 Per SB* 02 42 14.9145674304 +40 11 38.221732500 5.65 5.51 4.92 4.42 4.12 F9V 193 0
5 * 47 Ari PM* 02 58 05.2213070040 +20 40 07.442238720   6.230   5.6   F0V(e) 201 0
6 * iot Per PM* 03 09 04.0193012009 +49 36 47.802053343 4.76 4.64   3.7   G0V 578 0
7 HD 20430 PM* 03 17 26.3862805584 +07 39 20.919521880   7.958 7.373 7.050 6.739 F8 143 0
8 HD 20439 PM* 03 17 32.7800971992 +07 41 24.556610724   8.376 7.747 7.402 7.085 G1 150 1
9 * kap01 Cet BY* 03 19 21.6964175772 +03 22 12.714979884 5.71 5.52 4.85 4.27 3.91 G5V 948 0
10 * 10 Tau PM* 03 36 52.3837044168 +00 24 05.992097829 5.23 5.15 4.30 4.09 3.77 F9IV-V 595 0
11 HD 24357 PM* 03 53 10.0461915456 +17 19 37.507270260   6.294 5.946 5.745 5.545 F4V 197 0
12 HD 25102 SB* 03 59 40.4960115792 +10 19 49.359946008   6.762 6.340 6.097 5.860 F5V 156 0
13 HD 25202 PM* 04 00 48.7661952816 +18 11 38.405070420   6.212 5.865     F4V 105 0
14 HD 25825 PM* 04 06 16.1277225936 +15 41 53.233746900   8.416 7.811 7.484 7.169 G0V 222 0
15 HD 26015 PM* 04 07 41.9838821088 +15 09 46.041084720   6.45 6.07     F3V 180 0
16 HD 26345 PM* 04 10 42.3629157312 +18 25 23.714993208   7.005 6.576 6.329 6.095 F6V 168 0
17 * 45 Tau PM* 04 11 20.2822395072 +05 31 22.987999632   6.057 5.699 5.487 5.284 F4V 259 0
18 HD 26737 PM* 04 14 30.4159876488 +22 27 06.649100604   7.494 7.045     F5V 110 0
19 * 48 Tau El* 04 15 46.2844734000 +15 24 02.505856392   6.705 6.300 6.070 5.847 F5V 203 0
20 * 51 Tau SB* 04 18 23.2109961408 +21 34 45.188971896   5.945 5.631     F0V 271 0
21 * 55 Tau ** 04 19 54.8606314218 +16 31 21.225588133   7.401 6.853     F8V 257 0
22 * h Tau dS* 04 19 57.7045712640 +14 02 06.732211488   5.856 5.568 5.407 5.250 F0IV 243 0
23 HD 27406 BY* 04 20 12.9666179232 +19 14 00.518450172   8.016 7.444 7.131 6.826 F9V+ 216 0
24 HD 27429 PM* 04 20 25.1019130632 +18 44 33.652197312   6.478 6.094 5.874 5.653 F2Vn 129 0
25 * 58 Tau dS* 04 20 36.3103641648 +15 05 43.630164636   5.475 5.242 5.126 4.999 F0IV-V 210 0
26 HD 27483 ** 04 20 52.7204196432 +13 51 51.933419460   6.603 6.141 5.876 5.630 DA3+F6V 196 0
27 HD 27524 PM* 04 21 31.6490057568 +21 02 23.557097868   7.215 6.779 6.531 6.283 F5V 195 0
28 HD 27534 PM* 04 21 32.2684884072 +18 25 03.295609536   7.234 6.787 6.532 6.279 F5V 184 0
29 HD 27561 PM* 04 21 34.7949333144 +14 24 35.240373612   6.999 6.578 6.338 6.099 F5IV-V 250 0
30 * 60 Tau dS* 04 22 03.5181398136 +14 04 37.912925064   6.054 5.710 7.05 5.38 kA3hF2mF2(III) 288 0
31 HD 27691 ** 04 22 44.17133 +15 03 21.9218 7.65 7.576 7.084 7.58   G0V 204 0
32 * 63 Tau SB* 04 23 25.0640719200 +16 46 38.150834016   5.957 5.625 7.04 5.33 kA4VmF2/5IIIp 304 0
33 HD 27731 PM* 04 23 30.4004677416 +24 24 19.469650140   7.625 7.159 6.905 6.643 F6V 132 0
34 * del02 Tau PM* 04 24 05.7614531616 +17 26 38.871301956 5.07 4.95 4.80 4.64 4.57 A2Vs 261 0
35 V* V895 Tau BY* 04 24 12.4710867960 +14 45 29.565731196   8.217 7.583 8.43   G0V(e) 237 0
36 HD 27835 PM* 04 24 12.7838536080 +16 22 44.148778356   8.808 8.203 7.870 7.560 G0V 135 0
37 HD 27808 PM* 04 24 14.5737054432 +21 44 10.483946556   7.646 7.125 6.830 6.550 F8V 227 0
38 HD 27848 PM* 04 24 22.2732237168 +17 04 44.236606296   7.405 6.947 6.698 6.445 F6V 182 0
39 HD 27859 BY* 04 24 28.3269703416 +16 53 10.202918748   8.382 7.790     G2V 245 0
40 HD 27901 PM* 04 24 57.1275623016 +19 02 31.232746428   6.354 5.965 5.736 5.506 F4V 144 0
41 HD 27784 * 04 25 09.5129106048 +44 21 53.219921328   9.27 7.90     K2 12 0
42 * kap01 Tau PM* 04 25 22.1644730361 +22 17 37.935906104   4.366 4.201     A7IV-V 198 0
43 * kap02 Tau dS* 04 25 25.0152469704 +22 11 59.995517604   5.544 5.264     F0Vn 156 0
44 * 70 Tau SB* 04 25 37.3225242048 +15 56 27.683560428   6.951 6.439 7.75   F7V 283 0
45 HD 28069 PM* 04 25 57.3385886640 +05 09 00.522160200   7.870 7.350     F7V 114 0
46 V* V992 Tau PM* 04 26 05.8393913496 +15 31 27.634430748 8.11 8.027 7.472 7.161 6.858 F8V 161 0
47 HD 28033 SB* 04 26 18.4982775648 +21 28 13.548422352   7.897 7.334     F8V 180 0
48 * 71 Tau dS* 04 26 20.7708204936 +15 37 05.884087620   4.758 4.480 5.96 4.15 F0V 235 0
49 V* V906 Tau BY* 04 26 24.6221111736 +16 51 12.069956916 8.86 8.69 8.05 7.51 7.16 G1V 234 0
50 HD 28099 BY* 04 26 40.1217122952 +16 44 48.885808416 8.98 8.78 8.12 7.56 7.23 G2+V 450 0
51 V* V993 Tau BY* 04 27 35.8912011816 +15 35 21.090336828   7.949 7.404 7.102 6.805 F8V 262 0
52 HD 28237 PM* 04 27 46.0745928288 +11 44 11.108386212   8.066 7.482     F8 179 0
53 HD 28226 PM* 04 28 00.7827965760 +21 37 11.650661112   5.996 5.711 5.553 5.406 Am 168 0
54 * 76 Tau SB* 04 28 23.4077842656 +14 44 27.451968756   6.227 5.892 5.694 5.501 F0IV 154 0
55 * tet02 Tau dS* 04 28 39.7416111456 +15 52 15.148738380 3.690 3.600 3.410 5.43   A7III 459 0
56 HD 28344 BY* 04 28 48.2984108040 +17 17 07.685984400 8.57 8.456 7.837 7.498 7.180 G2V 303 0
57 * b Tau PM* 04 28 50.1636212976 +13 02 51.367198596   5.226 5.014 4.907 4.795 kA5hF0VmF0 214 0
58 HD 28394 SB* 04 29 20.5589466330 +17 32 41.834829803   7.52 7.01 6.724 6.434 F8V 141 0
59 HD 28406 PM* 04 29 30.3506853024 +17 51 47.393997696 7.36 7.352 6.890 6.631 6.373 F6V 214 0
60 * 80 Tau ** 04 30 08.59775 +15 38 16.2194   5.887 5.552 5.358 5.161 F0V 189 0
61 HD 28483 PM* 04 30 17.9809105560 +19 50 25.908318132   7.583 7.087     F6V 173 0
62 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
63 HD 28527 dS* 04 30 33.6326139192 +16 11 38.449696416   4.975 4.764 6.52   A6IV 210 0
64 * 83 Tau ** 04 30 37.3629243168 +13 43 27.848332992   5.655 5.395 5.245 5.093 F0IV 163 0
65 * 81 Tau SB* 04 30 38.8891193184 +15 41 30.760430964   5.739 5.454 6.76   kA3hA8mF3 231 0
66 HD 28568 PM* 04 30 46.7980744680 +16 08 55.251488976   6.940 6.491 7.51   F5V 205 0
67 HD 28608 PM* 04 30 57.1716459048 +10 45 06.360444756   7.491 7.015 6.741 6.479 F7V 152 0
68 HD 28635 SB* 04 31 29.3493834048 +13 54 12.334345092   8.300 7.746 7.445 7.147 F9V 161 0
69 * 85 Tau PM* 04 31 51.7588453752 +15 51 05.846138784   6.342 5.998 5.799 5.604 F1.5Vn 138 0
70 HD 28736 PM* 04 32 04.8085885704 +05 24 36.148166280   6.783 6.352 6.104 5.874 F5V 188 0
71 HD 28911 PM* 04 33 46.6420844064 +13 15 06.784086276   7.031 6.597 6.351 6.108 F6V 147 0
72 * rho Tau dS* 04 33 50.9178322656 +14 50 39.941657592 4.98 4.90 4.65 4.41 4.29 A8V 237 0
73 V* V1116 Tau dS* 04 36 29.1498376560 +23 20 27.021565644   6.418 6.019     F2 128 0
74 HD 29225 PM* 04 36 40.7173312344 +15 52 09.678087120   7.074 6.619 6.371 6.115 F6V 156 0
75 HD 29310 BY* 04 37 31.9851921240 +15 08 47.260104684   8.153 7.545     G0 191 0
76 * 89 Tau ** 04 38 09.4406126112 +16 01 59.722631112   6.102 5.776     F0V 133 0
77 * c Tau BS? 04 38 09.4618938672 +12 30 39.013056648 4.52 4.39 4.27 4.13 4.08 A6V 207 0
78 HD 29419 PM* 04 38 51.2919739632 +23 08 59.904203964   8.103 7.501     G5V 155 0
79 HD 29499 PM* 04 39 06.1590186912 +07 52 15.553412364   5.623 5.365 5.226 5.093 A5m 139 0
80 * sig02 Tau PM* 04 39 16.5021952740 +15 55 04.711098316   4.842 4.665     A5Vn 154 0
81 HD 30034 PM* 04 44 25.8285113424 +11 08 46.083452208   5.638 5.379 5.230 5.082 F0V 140 0
82 HD 30210 PM* 04 46 01.7404096416 +11 42 20.112329592   5.566 5.346     Am 175 0
83 HD 30311 PM* 04 46 45.5919796776 +09 01 02.460117720   7.799 7.228 6.906 6.590 F9.5V 108 0
84 HD 30589 PM* 04 49 32.1249486336 +15 53 19.474899432   8.324 7.739 7.412 7.111 F8 156 0
85 HD 30676 SB* 04 50 23.9234519856 +17 12 09.589313700   7.673 7.095 6.768 6.450 F8 123 0
86 HD 30738 SB* 04 50 48.5436954768 +16 12 37.623200256   7.797 7.266     F8 153 0
87 HD 30810 ** 04 51 12.5284595938 +11 04 04.881592537   7.322 6.753     F6V 201 0
88 * i Tau dS* 04 51 22.4635311552 +18 50 23.485866432   5.302 5.085 4.964 4.830 A7IV-V 187 0
89 HD 30869A SB* 04 51 49.978609 +13 39 18.53294   6.81 6.36     ~ 179 0
90 HD 30869 ** 04 51 49.9931074392 +13 39 18.486491220   6.751 6.250 7.34 5.674 F7V 204 0
91 * 101 Tau PM* 04 59 44.3220286320 +15 55 00.236683308   7.220 6.747     F5V 155 0
92 * iot Tau ** 05 03 05.7465241272 +21 35 23.860305924   4.797 4.615     A7V 189 0
93 * h Ori SB* 05 09 19.6432730712 +09 49 46.502673924 5.83 5.67 5.43 5.25 5.13 A2m 263 0
94 * 15 Ori ** 05 09 41.9571460296 +15 35 49.966969920 5.33 5.14 4.82 4.50 4.31 F2IV 120 0
95 V* CD Tau SB* 05 17 31.1530161432 +20 07 54.627762000 7.27 7.25 6.76     A5:IapHIwk: 167 0
96 * lam Aur PM* 05 19 08.4754499121 +40 05 56.585080940 5.46 5.33 4.71 4.18 3.86 G1.5IV-VFe-1 567 0
97 V* UX Men SB* 05 30 03.1855215048 -76 14 55.350331296   8.80 8.24   7.608 F8V 129 0
98 * mu. Ori SB* 06 02 22.99668 +09 38 50.1820 4.40     3.94 3.86 A1Vm+F2V 268 0
99 V* WW Aur SB* 06 32 27.1847665440 +32 27 17.632429092   6.005 5.829     kA3hA3mF0+kA3hA3mF0 257 0
100 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1610 0
101 * rho Gem PM* 07 29 06.71887 +31 47 04.3773 4.48 4.50 4.18 3.86 3.67 F1V 338 0
102 * omi Gem PM* 07 39 09.9346623336 +34 35 03.502791096 5.41 5.30 4.90 4.51 4.29 F5-6IV 113 0
103 * alf CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1925 0
104 * 2 Pup B SB* 07 45 28.7368972272 -14 41 10.186320948   7.15 6.932     A0/1V 96 0
105 * 9 Cha SB* 08 43 12.1984130688 -79 04 12.368512452   6.28 6.07     A7V 242 0
106 V* HS Hya SB* 10 24 36.7678198944 -19 05 32.956244232   8.55 8.10     F5V 123 0
107 V* RZ Cha SB* 10 42 24.1088348064 -82 02 14.183233152   8.54 8.09     F3/5V 109 0
108 * gam Vir PM* 12 41 39.6282288151 -01 26 57.854228847 3.07 3.10 2.74 2.45 2.26 F1-F2V 482 0
109 * alf Vir bC* 13 25 11.57937 -11 09 40.7501 -0.20 0.74 0.97 1.06 1.30 B1V 877 1
110 * 70 Vir PM* 13 28 25.8085908881 +13 46 43.638308807 5.930 5.680 4.970 4.37 3.98 G4Va 754 1
111 * zet Vir PM* 13 34 41.5913587272 -00 35 44.939098032 3.58 3.50 3.38 3.31 3.25 A2Van 206 0
112 * tau Boo PM* 13 47 15.7381720026 +17 27 24.809555600 5.02 4.98 4.49 4.09 3.85 F7IV-V 1049 1
113 V* DM Vir SB* 14 07 52.4283264888 -11 09 07.472310912   9.25 8.79     F5V 100 0
114 * iot Vir PM* 14 16 00.8682760805 -06 00 01.969483331 4.64 4.60 4.08     F7III 372 0
115 * tet Boo PM* 14 25 11.7969501601 +51 51 02.677224089 4.57 4.56 4.05 3.64 3.39 F7V 397 0
116 * sig Boo PM* 14 34 40.8173867232 +29 44 42.457673940 4.76 4.84 4.47 4.13 3.94 F4VkF2mF1 632 0
117 * 16 Lib PM* 14 57 10.9988855472 -04 20 47.251261752 4.86 4.81 4.49 4.17 4.00 F2V 135 0
118 * c Boo PM* 15 07 18.0659348352 +24 52 09.099406380 5.34 5.36 4.93 4.53 4.32 F5V 374 0
119 * gam Ser PM* 15 56 27.1826577018 +15 39 41.809580382 4.31 4.34 3.84 3.37 3.13 F6V 586 0
120 * alf Oph ** 17 34 56.06945 +12 33 36.1346 2.32 2.22 2.07 1.93 1.85 A5IVnn 495 0
121 V* V624 Her SB* 17 44 17.2471919784 +14 24 36.246660912   6.398 6.194     A3m 163 0
122 * mu.01 Her ** 17 46 27.5472960785 +27 43 14.560978925 4.56 4.17 3.42 2.89 2.51 G5IV 719 0
123 * 110 Her PM* 18 45 39.7256792847 +20 32 46.713086264 4.66 4.65 4.19 3.80 3.54 F5.5IV-V 427 0
124 * tet Cyg PM* 19 36 26.5330717650 +50 13 15.965003998 4.83 4.86 4.48 4.13 3.92 F3+V 361 1
125 V* V1143 Cyg SB* 19 38 41.1829269072 +54 58 25.647010572       5.6   F6Va 229 0
126 * alf Aql dS* 19 50 46.99855 +08 52 05.9563 1.07 0.98 0.76 0.62 0.49 A7Vn 919 1
127 V* MY Cyg SB* 20 20 03.3892517592 +33 56 35.011784040   8.71 8.34     kA3hF1mF2(V) 147 0
128 * del Equ SB* 21 14 28.8153077 +10 00 25.125878 4.98 4.99 4.49 4.06 3.78 F7(V)+G0(V) 331 0
129 * ksi Peg PM* 22 46 41.5798542334 +12 10 22.388860108 4.66 4.69 4.20 3.73 3.42 F6V 406 0
130 * ups Peg PM* 23 25 22.7828725585 +23 24 14.762916815 5.15 5.01 4.40 3.86 3.54 F8III 263 0

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