2006A&A...446..267R


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.02CET02:42:55

2006A&A...446..267R - Astronomy and Astrophysics, volume 446, 267-277 (2006/1-4)

Rotation- and temperature-dependence of stellar latitudinal differential rotation.

REINERS A.

Abstract (from CDS):

More than 600 high resolution spectra of stars with spectral type F and later were obtained in order to search for signatures of differential rotation in line profiles. In 147 stars the rotation law could be measured, with 28 of them found to be differentially rotating. Comparison to rotation laws in stars of spectral type A reveals that differential rotation sets in at the convection boundary in the HR-diagram; no star that is significantly hotter than the convection boundary exhibits the signatures of differential rotation. Four late A-/early F-type stars close to the convection boundary and at vsini≃100km/s show extraordinarily strong absolute shear at short rotation periods around one day. It is suggested that this is due to their small convection zone depth and that it is connected to a narrow range in surface velocity; the four stars are very similar in Teff and vsin i. Detection frequencies of differential rotation α=ΔΩ/Ω>0 were analyzed in stars with varying temperature and rotation velocity. Measurable differential rotation is more frequent in late-type stars and slow rotators. The strength of absolute shear, ΔΩ, and differential rotation α are examined as functions of the stellar effective temperature and rotation period. The highest values of ΔΩ are found at rotation periods between two and three days. In slower rotators, the strongest absolute shear at a given rotation rate ΔΩmax is given approximately by ΔΩmax∝P–1, i.e., αmax≃const. In faster rotators, both αmax and ΔΩmax diminish less rapidly. A comparison with differential rotation measurements in stars of later spectral type shows that F-stars exhibit stronger shear than cooler stars do and the upper boundary in absolute shear ΔΩ with temperature is consistent with the temperature-scaling law found in Doppler Imaging measurements.

Abstract Copyright:

Journal keyword(s): stars: activity - stars: late-type - stars: rotation - stars: general

VizieR on-line data: <Available at CDS (J/A+A/446/267): tableb1.dat tableb2.dat>

Simbad objects: 153

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Number of rows : 153

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 * bet Cas dS* 00 09 10.68518 +59 08 59.2120 2.73 2.61 2.27 1.97 1.77 F2III 502 0
2 * rho Tuc SB* 00 42 28.3718631405 -65 28 04.909225680   5.875 5.381     F6V 53 0
3 HD 4247 PM* 00 44 44.3965158876 -22 00 22.078032375   5.542 5.220     F3VFe-1 81 0
4 * 65 Psc B PM* 00 49 52.8738123990 +27 42 38.911232350 5.990 6.692 6.276 6.12   F4III 53 0
5 * 30 Cet PM* 01 07 46.2087686550 -09 47 07.981806890   6.140 5.705     F5V 56 0
6 CCDM J01086-4640AB ** 01 08 33.83381 -46 40 04.7340   7.345 7.109     F0V 45 1
7 * psi03 Psc * 01 09 49.2009931670 +19 39 30.269371143   6.263 5.562     F9IIIa 124 0
8 HD 15524 PM* 02 30 32.3533307604 +25 14 06.102857207   6.291 5.879     F6IV 63 0
9 * mu. Cet dS* 02 44 56.5409823 +10 06 50.908913   4.58   4.1   A9IIIp 185 0
10 * tau01 Eri PM* 02 45 06.2034405658 -18 34 21.478629972 4.94 4.94 4.46 4.03 3.76 F7V 214 0
11 * rho Ari PM* 02 56 26.1717266513 +18 01 23.665188613   6.06   5.3   F6V 150 0
12 * kap Ret PM* 03 29 22.6772397 -62 56 15.099119   5.10 4.71     F3IV/V 159 1
13 * tau06 Eri PM* 03 46 50.8881911 -23 14 59.004585   4.65 4.20     F5IV-V 177 0
14 HD 24357 PM* 03 53 10.0460920095 +17 19 37.509727343   6.294 5.946 5.745 5.545 F4V 170 0
15 HD 25457 TT* 04 02 36.7451443573 -00 16 08.118566607   5.88 5.38     F7V 241 0
16 HD 25621 PM* 04 04 09.8753736361 +02 49 37.022713090   5.86   5.0   F6V 124 0
17 HD 22701 PM* 04 10 01.6311986916 +86 37 34.102860939 6.220 6.220   5.6   F5IV 39 0
18 * 58 Tau dS* 04 20 36.3097243891 +15 05 43.632188598   5.475 5.242 5.126 4.999 F0IV-V 178 0
19 * 85 Tau PM* 04 31 51.7593427946 +15 51 05.835960545   6.342 5.998 5.799 5.604 F1.5Vn 117 0
20 * m Per * 04 33 24.9031010278 +43 03 50.014647028   6.469 6.078     F0V 48 0
21 * alf Cae PM* 04 40 33.71305 -41 51 49.5075 4.79 4.79 4.45 4.11 3.90 F2V 116 0
22 * bet Cae PM* 04 42 03.4822965118 -37 08 39.590643778   5.42 5.05     F3IV 89 0
23 HD 30034 PM* 04 44 25.8285547424 +11 08 46.097692092   5.638 5.379 5.230 5.082 F0V 107 0
24 * pi.03 Ori PM* 04 49 50.4109057 +06 57 40.588294 3.620 3.630 3.190 2.77 2.51 F6V 533 0
25 HD 33167 PM* 05 10 42.9197506950 +46 57 43.454603976       5.4   F5V 76 0
26 * 111 Tau BY* 05 24 25.4629773342 +17 23 00.729080928   5.52   4.7   F8V 319 0
27 * 122 Tau PM* 05 37 03.7354898170 +17 02 25.182041452   5.775 5.525     F0V 80 0
28 * 39 Aur PM* 06 05 03.3847395372 +42 58 53.893749049       5.7   F3V 48 0
29 * k Ori PM* 06 16 26.6187785712 +12 16 19.790924635   5.46   4.8   F5V 129 0
30 HD 44497 PM* 06 22 36.3922018236 +12 34 12.857248243 6.350 6.300 6.000     F0III 38 0
31 HD 46273 ** 06 29 49.06454 -50 14 20.6831       6.36   F2V 65 0
32 * ksi Gem PM* 06 45 17.3643205 +12 53 44.131127 3.85 3.79 3.36 2.97 2.74 F5IV-V 205 0
33 * pi. CMa PM* 06 55 37.4315941360 -20 08 11.380998493   5.027 4.664     F1.5V 74 0
34 * 48 Gem * 07 12 26.3764838211 +24 07 42.936318517 6.30 6.21 5.85     F5III-IV 67 0
35 * del Gem SB* 07 20 07.3797829 +21 58 56.337741 3.91 3.87 3.53 3.17 2.98 F2VkF0mF0 230 0
36 * 59 Gem * 07 24 33.4531249469 +27 38 16.282812683   6.110 5.759     F0:III: 35 0
37 * 61 Gem ** 07 26 56.3285216387 +20 15 27.197320554   6.236 5.935     F2Vn 43 0
38 * rho Gem PM* 07 29 06.71887 +31 47 04.3773 4.48 4.50 4.18 3.86 3.67 F1V 314 0
39 * del02 CMi * 07 33 11.6656603150 +03 17 25.368828701   5.895 5.571     F0/2IV/V 56 0
40 HD 60555 * 07 33 52.3644559775 -28 34 03.709820970   7.06 6.76     A5/7V+(F) 24 0
41 HD 61035 * 07 38 14.3690105647 +24 21 37.600444506 6.670 6.690 6.370     F0 37 0
42 * omi Gem PM* 07 39 09.9362454307 +34 35 03.480603218 5.41 5.30 4.90 4.51 4.29 F3III 98 0
43 * 4 Pup * 07 45 56.8694935034 -14 33 49.705252969   5.342 5.026     F2V 61 0
44 HD 64685 PM* 07 55 31.4330174367 +08 51 46.227702047   6.21 5.80     F3V 53 0
45 * 12 Cnc * 08 08 42.4471080781 +13 38 27.326212350   6.712 6.242     F3V 49 0
46 * 30 Lyn PM* 08 20 26.0596402500 +57 44 35.807011824   6.272 5.877     F4V 56 0
47 * 1 Hya SB* 08 24 35.0145018524 -03 45 04.466166013 6.01 6.07 5.61     F6V 130 1
48 HD 72943 * 08 36 07.7139458080 +15 18 49.083498839 6.710 6.650 6.330     F0IV 46 0
49 Cl* NGC 2632 S 94 * 08 39 59.1479413102 +19 40 08.282910305   10.20 9.95     F3V 12 0
50 BD+20 2161 * 08 40 15.3496837567 +19 59 39.483692087   9.11 8.81     F2V 45 0
51 NGC 2632 OpC 08 40 24 +19 40.0           ~ 1287 0
52 BD+20 2170 * 08 40 26.1407125119 +19 41 11.315018128   9.79 9.45     ~ 53 0
53 IC 2391 OpC 08 40 32 -53 02.0           ~ 732 0
54 CD-52 2501 * 08 42 12.2936199096 -53 06 03.788091714           F5V 29 0
55 HD 76143 PM* 08 50 34.8161594110 -66 47 34.736500836   5.741 5.329     F5IV 36 0
56 * b UMa * 08 53 22.5576197455 +61 57 44.159180001 6.150 6.030 5.740     F2III 42 0
57 * omi02 Cnc PM* 08 57 35.1992681095 +15 34 52.629804434   5.892 5.677     F0IV 59 0
58 * b02 Car PM* 08 59 24.1816244643 -59 05 01.356913206   5.58 5.16     F4V 72 0
59 HD 77601 * 09 05 24.0945443994 +48 31 49.139252784   6.40 5.95     F6II-III 35 0
60 * k Vel * 09 15 45.0794250438 -37 24 47.312422646 5.17 5.07 4.62 4.24 3.96 F3/5V 69 0
61 * iot Cha PM* 09 24 09.2258026565 -80 47 12.759731241   5.81 5.36     F3/5III/V 47 0
62 * tau01 Hya SB* 09 29 08.9408976854 -02 46 08.208984804   5.06 4.60     F5V 176 0
63 * 42 Lyn * 09 38 21.7763595739 +40 14 23.253769161   5.497 5.276     F0V 48 0
64 HD 83962 ** 09 44 36.5487978358 +64 59 02.793933195 6.640 6.600 6.210     F3Vn 47 0
65 HD 84607 PM* 09 46 23.6106195393 +01 47 08.125779385   5.978 5.640     F0/2IV 49 0
66 HD 88215 SB* 10 10 05.8867116081 -12 48 57.321344772   5.644 5.296     F3V 89 0
67 * eps Sex PM* 10 17 37.8019973 -08 04 08.089800   5.559 5.240     F0IV 96 0
68 HD 89569 PM* 10 18 37.9079058819 -56 06 37.416455037   6.29 5.80     F6V 55 0
69 * 40 Leo dS* 10 19 44.1668778 +19 28 15.294314   5.24   4.5   F6IV-V 252 0
70 * I Car V* 10 24 23.7059714 -74 01 53.803578 4.35 4.36 4.01 3.67 3.48 F3V 123 0
71 HD 89571 ** 10 29 41.6296586538 +84 15 06.948854815 5.800 5.740 5.510     A9V 34 0
72 HD 90089 PM* 10 31 04.5420225146 +82 33 31.255563167   5.622 5.252     F4VkF2mF2 130 0
73 V* V557 Car BY* 10 42 41.5159999215 -64 21 04.332236022   11.26 12.03     G2V 53 0
74 IC 2602 OpC 10 42 58 -64 24.0           ~ 570 0
75 HD 308012 * 10 46 28.7868539884 -64 07 57.570417690   10.4 9.9     F8 21 0
76 * chi01 Hya ** 11 05 19.9061925179 -27 17 36.998134352   5.281 4.912 6.50   F3IV/V 83 0
77 * 80 Leo gD* 11 25 50.0561573479 +03 51 36.248717972   6.687 6.354     F2IVnn 49 0
78 * 89 Leo PM* 11 34 21.9486240573 +03 03 36.593145498   6.23   5.5   F5.5V 139 0
79 * alf Crv PM* 12 08 24.8165241 -24 43 43.950354   4.34 4.00     F1V 170 0
80 HD 106022 PM* 12 12 01.0169053474 +28 32 10.728790221   6.859 6.457     F5V 53 0
81 HD 107326 PM* 12 20 17.7522253271 +26 00 06.751682659   6.45 6.10     F0IV 85 0
82 * 18 Com * 12 29 27.0417181202 +24 06 32.129050828   5.898 5.468     F5IV 124 1
83 * eta Crv PM* 12 32 04.2265302 -16 11 45.616473   4.658 4.294     F2V 288 0
84 HD 109141 PM* 12 32 35.9986470512 -13 51 32.779935384   6.094 5.726     F2V(n) 43 0
85 HD 109238 * 12 33 22.2481559572 -19 47 32.951344500   6.548 6.254     F0IV/V 34 0
86 HD 110385 PM* 12 41 49.3928044574 -19 45 32.737871352   6.42 6.03     F2V 51 0
87 HD 110834 * 12 44 27.0994069742 +44 06 10.823361065   6.796 6.335     F6IV 56 0
88 * 31 Com Ro* 12 51 41.9190038520 +27 32 26.568320838 5.81 5.61 4.94 4.39 4.04 G0IIIp 413 1
89 * 8 Dra gD* 12 55 28.5500146686 +65 26 18.507881543   5.516 5.225     F3IV 84 0
90 * alf Com A PM* 13 09 59.285492 +17 31 45.85645   5.25 4.80     F5V 237 0
91 HD 115810 * 13 19 04.2512480120 +35 07 40.731003186   6.26 6.02     A7IV 48 1
92 * 66 Vir PM* 13 24 33.2484119844 -05 09 50.161878790   6.167 5.749     K2V 71 0
93 HD 118889 ** 13 39 34.61613 +10 44 46.5827   5.912 5.580     F0V 151 0
94 * i Cen SB* 13 45 41.2448252 -33 02 37.399704 4.61 4.61 4.23 3.90 3.69 F2V 157 0
95 * tau Boo Ro* 13 47 15.74340 +17 27 24.8552 5.02 4.98 4.49 4.09 3.85 F7IV-V 899 1
96 * eta Boo SB* 13 54 41.07892 +18 23 51.7946 3.440 3.250 2.680 2.24 1.95 G0IV 662 1
97 * 48 Hya PM* 14 00 00.1205923361 -25 00 37.457700755   6.25 5.77     F6V 65 0
98 * iot Vir PM* 14 16 00.8695049 -06 00 01.963348 4.64 4.60 4.08     F7III 339 0
99 HD 124780 * 14 16 18.3385720676 -33 14 28.764927111   6.845 6.564     F0V 33 0
100 HD 127821 PM* 14 30 46.0709585740 +63 11 08.832031370       5.8   F4IV 70 0
101 * 26 Boo PM* 14 32 32.5422644512 +22 15 36.204353671   6.263 5.897     F2IV 81 0
102 HD 129153 PM* 14 40 42.3930271047 +13 32 03.565518452   6.152 5.925     F0V 57 0
103 * mu. Vir PM* 14 43 03.6228218 -05 39 29.532712 4.25 4.26 3.88 3.48 3.26 F2V 215 0
104 * m Hya ** 14 46 00.07998 -25 26 35.4355           F0VSr+G1V 62 0
105 * 16 Lib PM* 14 57 10.9983807532 -04 20 47.252925214 4.86 4.81 4.49 4.17 4.00 F2V 117 0
106 HD 136751 PM* 15 20 41.6801389552 +44 26 03.758847694   6.495 6.140     F3V 54 0
107 HD 136359 PM* 15 23 10.5031257986 -60 39 25.816948372   6.119 5.651     F5V 48 0
108 * del Ser B PM* 15 34 48.1751909654 +10 32 15.924960583   5.38 5.13     F0IV 59 0
109 * tau05 Ser PM* 15 36 29.2396399179 +16 07 08.708961839   6.255 5.926     F3V 42 0
110 * g Lup PM* 15 41 11.3769921 -44 39 40.342813   5.036 4.633     F3/5V 184 0
111 * lam CrB PM* 15 55 47.5877409266 +37 56 49.039703238   5.770 5.424     F2IV-V 96 0
112 V* CL Dra dS* 15 57 47.4417983330 +54 44 59.142834502   9.27 8.75 6.47   F1IVab 111 0
113 * eta UMi PM* 16 17 30.2693678247 +75 45 19.239359296   5.32   4.7   F5V 75 0
114 HD 147365 PM* 16 19 55.1421247380 +39 42 30.898680637 5.860 5.880 5.480     F4V 83 0
115 * sig Ser PM* 16 22 04.3482463818 +01 01 44.548439598       4.6   A9Ib/II 138 0
116 * 14 Oph PM* 16 41 42.4815507226 +01 10 52.434415982   6.045 5.724     F2V 61 0
117 HD 151613 SB* 16 45 17.8812116356 +56 46 54.798458094   5.199 4.837     F2V 111 0
118 * c Her ** 17 08 02.0650759598 +35 56 06.676640046   5.70 5.39     kA5hF0VmF2 143 0
119 HD 156295 PM* 17 12 32.5810892862 +62 52 27.593572860   5.737 5.540     A7V 47 0
120 * 58 Oph PM* 17 43 25.7937012 -21 40 59.497954   5.313 4.861     F5V 132 0
121 IC 4665 53 * 17 45 41.2382405496 +05 33 44.375336068   11.93 11.41   10.767 G5 20 0
122 Cl* IC 4665 P 32 * 17 46 16.3660548635 +05 33 33.130121541   12.99 12.57     ~ 6 0
123 IC 4665 OpC 17 46 18 +05 43.0           ~ 321 0
124 Cl* IC 4665 P 35 * 17 46 19.6493055077 +05 34 06.485056679   12.09 11.609   11.022 A9 9 0
125 CD-34 12185 * 17 52 54.5435980438 -34 46 25.863277246   11.27 10.81     ~ 7 0
126 CPD-34 7283 * 17 53 33.0589017197 -34 44 59.546582300   10.65 10.40 10.13   F2V 11 0
127 NGC 6475 OpC 17 53 51 -34 47.6           ~ 342 0
128 * zet Ser PM* 18 00 29.0113725 -03 41 24.968552   4.982 4.616     F2V 178 0
129 V* V831 Her dS* 18 04 40.2124539854 +23 56 31.242912837   6.632 6.335     F0IV-V 46 0
130 HD 171834 gD* 18 36 39.0752784827 +06 40 18.496466779   5.786 5.425     F3V 102 0
131 HD 173417 PM* 18 43 51.5921708491 +31 55 35.805805541   6.026 5.682     F1III-IV 50 0
132 * 110 Her PM* 18 45 39.7257041 +20 32 46.717099 4.66 4.65 4.19 3.80 3.54 F5.5IV-V 386 0
133 HD 175824 PM* 18 54 47.1278187489 +48 51 33.844093571   6.274 5.836     F3III 52 0
134 HD 175317 PM* 18 55 31.0055018556 -16 22 35.893465645   5.985 5.546     F5V 105 0
135 * del Aql ** 19 25 29.90139 +03 06 53.2061 3.72 3.68 3.36 3.11 2.95 F1IV-V(n) 228 0
136 * 42 Aql PM* 19 37 47.3176956947 -04 38 51.507178097   6.07 5.68     F3IV/V 68 0
137 * e02 Sgr ** 19 42 31.1337494510 -16 07 26.390457775   5.362 5.045     F3IV/V 61 0
138 * 51 Aql * 19 50 46.7835255636 -10 45 48.635196383   5.77 5.39     F5VFe-1CH-0.7 79 0
139 HD 189245 PM* 20 00 20.2490835420 -33 42 12.427710024   6.15 5.66     F7V 98 0
140 * 16 Vul ** 20 02 01.43152 +24 56 16.9534       6.71   F2III 86 0
141 * psi Cap PM* 20 46 05.7326265 -25 16 15.231155   4.538 4.122     F5V 202 0
142 HD 199260 PM* 20 56 47.3303687041 -26 17 46.969399809   6.20 5.70     F6V 102 0
143 HD 201636 PM* 21 06 23.3022697326 +71 25 54.467762924   6.253 5.877     F3IV 34 0
144 HD 203925 * 21 24 34.0051097265 +26 10 28.412412932   5.967 5.658     A8III 48 0
145 * 37 Cap PM* 21 34 51.0525078707 -20 05 03.350998543   6.096 5.696     F5VFe-0.8CH-0.4 61 0
146 V* NZ Peg gD* 21 39 01.1886520678 +20 15 55.617479775   6.065 5.762     F1Vnn 65 0
147 * mu. Cap PM* 21 53 17.7698010580 -13 33 06.380216454   5.45 5.08     F2V 98 0
148 * pi. Peg * 22 09 59.2437138 +33 10 41.597624 4.93 4.75 4.29 3.90 3.63 F5III 126 0
149 * tau PsA PM* 22 10 08.7803395485 -32 32 54.275502381   5.40 4.92     F6V 136 0
150 * zet01 Aqr PM* 22 28 49.8864208040 -00 01 13.961900362   4.89 4.49     F2IV/V 130 0
151 * ups Aqr PM* 22 34 41.6367033191 -20 42 29.574530725   5.637 5.203     F7V 120 0
152 * phi Gru PM* 23 18 09.8846645019 -40 49 27.703375843   5.952 5.537     F4V 55 0
153 * ups Peg PM* 23 25 22.7835046 +23 24 14.760593 5.15 5.01 4.40 3.86 3.54 F8III 243 0

    Equat.    Gal    SGal    Ecl

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2021.03.02-02:42:55

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