2003A&A...405..723D


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.27CET13:41:26

2003A&A...405..723D - Astronomy and Astrophysics, volume 405, 723-731 (2003/7-2)

On the link between rotation, chromospheric activity and Li abundance in subgiant stars.

DO NASCIMENTO J.D.Jr, CANTO MARTINS B.L., MELO C.H.F., PORTO DE MELLO G. and DE MEDEIROS J.R.

Abstract (from CDS):

The connection rotation-CaII emission flux-lithium abundance is analyzed for a sample of bona fide subgiant stars, with evolutionary status determined from HIPPARCOS trigonometric parallax measurements and from the Toulouse-Geneva code. The distribution of rotation and CaII emission flux as a function of effective temperature shows a discontinuity located around the same spectral type, F8IV. Blueward of this spectral type, subgiants have a large spread of values of rotation and CaII flux, whereas stars redward of F8IV show essentially low rotation and low CaII flux. The strength of these declines depends on stellar mass. The abundance of lithium also shows a sudden decrease. For subgiants with mass lower than about 1.2M the decrease is located later than that in rotation and CaII flux, whereas for masses higher than 1.2M the decrease in lithium abundance is located around the spectral type F8IV. The discrepancy between the location of the discontinuities of rotation and CaII emission flux and logn(Li) for stars with masses lower than 1.2M seems to reflect the sensitivity of these phenomena to the mass of the convective envelope. The drop in rotation, which results mostly from a magnetic braking, requires an increase in the mass of the convective envelope less than that required for the decrease in logn(Li). The location of the discontinuity in logn(Li) for stars with masses higher than 1.2M, in the same region of the discontinuities in rotation and CaII emission flux, may also be explained by the behavior of the deepening of the convective envelope. The more massive the star is, the earlier is the increase of the convective envelope. In contrast to the relationship between rotation and CaII flux, which is fairly linear, the relationship between lithium abundance and rotation shows no clear tendency toward linear behavior. Similarly, no clear linear trend is observed in the relationship between lithium abundance and CaII flux. In spite of these facts, subgiants with high lithium content also have high rotation and high CaII emission flux.

Abstract Copyright:

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

Simbad objects: 122

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Number of rows : 122

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 HD 400 PM* 00 08 40.9385088178 +36 37 37.648934145       5.9   F8IV 154 0
2 HD 645 RG* 00 10 42.8342828399 -12 34 47.636603196   6.861 5.849     K0III 53 0
3 * 23 And PM* 00 13 30.8396229907 +41 02 07.331507758   6.03   5.5   F0IV 64 0
4 * 14 Cet PM* 00 35 32.8335385951 -00 30 20.198144650   6.368 5.936     F5V 118 0
5 HD 4744 PM* 00 49 52.7904714920 +30 27 01.034816140   8.69   7.0   G8IV 62 0
6 * phi02 Cet PM* 00 50 07.5885892159 -10 38 39.584811061   5.69 5.19     F7V 246 0
7 * 21 Cet PM* 00 54 17.5931893601 -08 44 26.390882036   7.086 6.161     G8III 73 0
8 * 36 And ** 00 54 58.10609 +23 37 41.9799 7.37 6.46 5.45 4.67 4.17 K0IV(e) 181 0
9 HD 6301 PM* 01 04 27.6247224647 +29 39 31.630156885   6.634 6.202     F7IV-V 54 0
10 * 78 Psc PM* 01 08 01.3435815990 +32 00 43.664284704   6.65   6.0   F5IV 61 0
11 * ome And ** 01 27 39.3811365238 +45 24 24.073194122 5.25 5.25 4.83 4.42 4.19 F4IV 132 0
12 HD 9562 PM* 01 33 42.8353548073 -07 01 31.236482634 6.61 6.40 5.76     G1V 236 0
13 HD 11151 PM* 01 50 57.1281148480 +51 56 00.307462702   6.385 5.951     F5IV 64 0
14 * 112 Psc PM* 02 00 09.1594803494 +03 05 49.252848117   6.50   5.5   G2IV 153 0
15 * 64 Cet PM* 02 11 21.0786716072 +08 34 11.298593576   6.189 5.623 6.81   G0IV 113 0
16 * 20 Ari PM* 02 15 46.0494763888 +25 46 58.570960586       5.5   F6III-IV 66 0
17 * 79 Cet PM* 02 35 19.9292617962 -03 33 38.170691640   7.49 6.78     G2V 264 1
18 HD 18262 PM* 02 56 13.7674570722 +08 22 53.616582376   6.431 5.963     F6III-IVs 74 0
19 * 47 Ari PM* 02 58 05.2213180567 +20 40 07.437303565   6.230   5.6   F0V(e) 172 0
20 * 59 Ari PM* 03 19 55.7955610419 +27 04 16.066156518   6.774 5.918     G7IV 60 0
21 * del Eri RS* 03 43 14.9008787 -09 45 48.208444 5.13 4.46 3.54 2.82 2.32 K0+IV 545 0
22 HD 25621 PM* 04 04 09.8753736361 +02 49 37.022713090   5.86   5.0   F6V 121 0
23 HD 26913 BY* 04 15 25.7871510436 +06 11 58.749263209 7.790 7.580 6.920 6.554 6.195 G8V 199 0
24 HD 26923 Ro* 04 15 28.8004956278 +06 11 12.699896698 6.910 6.860   5.9   G0IV 187 0
25 * 95 Tau * 04 43 13.7562023083 +24 05 20.103054036   6.674 6.151     G0 55 0
26 HD 30912 PM* 04 52 47.1167651191 +27 53 50.962163517   6.328 5.961     F2IVn 57 0
27 * 13 Ori PM* 05 07 38.3131535983 +09 28 18.411432249   6.79   5.8   G3 110 0
28 HD 34180 * 05 15 18.5024730501 -01 24 32.417431554   6.541 6.154     F2/3V 50 0
29 * lam Aur PM* 05 19 08.4754630747 +40 05 56.589643877 5.46 5.33 4.71 4.18 3.86 G1.5IV-VFe-1 490 0
30 HD 37788 * 05 41 05.5958371339 +00 20 15.916716599   6.212 5.912     F0V 50 0
31 HD 39881 PM* 05 56 03.4329867449 +13 55 29.695861517   7.252 6.600 7.55   G8 121 0
32 * k Ori PM* 06 16 26.6187785712 +12 16 19.790924635   5.46   4.8   F5V 126 0
33 HD 53329 PM* 07 06 11.5912228064 +34 28 26.286489458   6.456 5.551     G8IV 45 0
34 HD 57749 dS* 07 22 25.3897441224 -05 58 58.179930999   6.166 5.816     F2III 48 0
35 HD 60532 PM* 07 34 03.1802404179 -22 17 45.838378187 5.02 4.94 4.39     F6IV-V 201 1
36 HD 64685 PM* 07 55 31.4330174367 +08 51 46.227702047   6.21 5.80     F3V 51 0
37 HD 66011 * 08 01 50.7298291086 +08 54 50.371156599   6.777 6.209     G0IV 67 0
38 HD 71952 PM* 08 32 33.4471902951 +53 06 53.450085479   7.252 6.226     K0IV 38 0
39 HD 73017 PM* 08 38 22.1848684056 +53 24 05.552032253   6.609 5.645     G9III 40 0
40 * 34 Lyn PM* 08 41 01.0702830751 +45 50 02.417902788   6.344 5.359     G8IV 98 0
41 HD 76291 PM* 08 56 49.9521338314 +45 37 53.928931534   6.843 5.711     K1IV 73 0
42 * sig02 UMa ** 09 10 23.54597 +67 08 02.4642   5.29 4.80     F7V 158 0
43 HD 82074 PM* 09 29 32.4159387516 -04 14 47.885936732   7.101 6.257     G8III/IV 51 0
44 * h UMa PM* 09 31 31.7087322 +63 03 42.701339 4.10 4.00 3.67 3.33 3.15 F0IV 125 0
45 * tet UMa PM* 09 32 51.4338939 +51 40 38.281102 3.67 3.64 3.18 2.74 2.47 F7V 388 0
46 HD 82734 * 09 33 12.4599037254 -21 06 56.600257136   6.027 5.003     K0III 87 0
47 HD 84117 PM* 09 42 14.4165254340 -23 54 56.054079074   5.47 4.94     F9V 178 0
48 * 40 Leo dS* 10 19 44.1668778 +19 28 15.294314   5.24   4.5   F6IV-V 249 0
49 * 33 Sex PM* 10 41 24.1859207379 -01 44 29.366215211   7.145 6.250     G9IV 152 0
50 HD 94386 PM* 10 53 32.9031367508 -15 26 44.952723122   7.546 6.340     K2III 33 0
51 * iot Leo SB* 11 23 55.45273 +10 31 46.2195   4.35   3.8   F3V 262 0
52 * 80 Leo gD* 11 25 50.0561573479 +03 51 36.248717972   6.687 6.354     F2IVnn 47 0
53 * 83 Leo ** 11 26 45.32 +03 00 47.2 7.63 7.01 6.16     ~ 208 0
54 * 83 Leo A PM* 11 26 45.3217209044 +03 00 47.158549988 7.78 7.28 6.46 6.0   G9IV-V 210 0
55 HD 104055 PM* 11 59 03.3374784216 +00 31 50.452609362   7.440 6.176     K2/3III 35 0
56 HD 104304 PM* 12 00 44.4611593182 -10 26 46.055023587 6.76 6.32 5.55     G8IV 213 0
57 HD 105678 * 12 09 47.0859408217 +74 39 40.875768969 6.880 6.830 6.340 10.8   F6IV 40 0
58 HD 107326 PM* 12 20 17.7522253272 +26 00 06.751682659   6.45 6.10     F0IV 84 0
59 HD 110834 * 12 44 27.0994069742 +44 06 10.823361065   6.796 6.335     F6IV 53 0
60 HD 117361 PM* 13 28 45.8312864574 +50 43 06.866728597   6.807 6.417     F0IV 46 0
61 HD 119992 PM* 13 45 13.2128099620 +55 52 45.649671184   6.97   6.2   F7IV-V 51 0
62 HD 121146 PM* 13 50 59.1190363928 +68 18 55.076896058       5.7   K2IV 75 0
63 * 95 Vir PM* 14 06 42.8233783638 -09 18 48.659690457   5.807 5.453     F2III 61 0
64 * 14 Boo ** 14 14 05.1797126297 +12 57 33.999746146   6.08   5.2   F8V 157 0
65 HD 125111 PM* 14 16 24.2749465571 +39 44 40.956828797   6.738 6.376     F2IV 56 0
66 HD 125184 PM* 14 18 00.7267905253 -07 32 32.612018298   7.20 6.50     G5/6V 143 0
67 HD 125538 * 14 18 55.6905691895 +38 46 02.740989354   7.937 6.866     G9IV 17 0
68 * 18 Boo PM* 14 19 16.2796600897 +13 00 15.485871376   5.788 5.396     F5IV 147 0
69 HD 126943 * 14 27 27.4852802827 +41 01 29.681879712   6.991 6.637     F1IV 38 0
70 * g Boo PM* 14 28 37.8130531842 +49 50 41.461096501   6.44   5.1   G4III-IVFe-1 96 0
71 HD 127821 PM* 14 30 46.0709585740 +63 11 08.832031370       5.8   F4IV 67 0
72 * 26 Boo PM* 14 32 32.5422644512 +22 15 36.204353671   6.263 5.897     F2IV 79 0
73 * h Boo PM* 14 49 18.6706205911 +46 06 58.336885592   6.223 5.757     F6IVs 72 0
74 HD 133484 ** 15 03 06.5718009617 +44 38 40.185039426   7.11 6.65     F6IV 71 0
75 HD 136064 PM* 15 14 38.3392641428 +67 20 48.194332500   5.66   4.8   F8V 162 0
76 HD 143584 PM* 15 59 04.3961124834 +49 52 51.758454059   6.304 6.032     F0IV 60 0
77 HD 145148 PM* 16 09 11.2152519637 +06 22 43.291224462   6.97   5.3   K1.5IV 160 0
78 HD 150012 PM* 16 37 48.0101360992 +13 41 13.319155923 6.750 6.740 6.320     F5IV-V 78 0
79 HD 154160 PM* 17 03 10.4447472881 +14 30 40.826588874 7.750 7.300   6.1   G5IV: 54 0
80 V* V2213 Oph BY* 17 05 16.8186294192 +00 42 09.217571716   6.59   5.6   F8.5IV-V 318 0
81 V* V2112 Oph dS* 17 18 52.7881542966 +06 05 07.615894611   6.896 6.514     F1IV-Vn 65 1
82 HD 156846 ** 17 20 34.3109259866 -19 20 01.494393975 7.20 7.10 6.52     G1V 92 1
83 HD 157347 PM* 17 22 51.2877095327 -02 23 17.439826176   6.965 6.278     G3V 161 0
84 HD 157853 ** 17 24 02.25339 +38 34 58.0208   7.207 6.537     F8IV 71 1
85 HD 158170 PM* 17 28 02.3380851722 -08 12 30.154727973   6.925 6.372     F7V 40 0
86 * psi01 Dra A SB* 17 41 56.0946323443 +72 08 55.903962586   4.98 4.55 4.3   F5IV-V 146 1
87 * mu.01 Her ** 17 46 27.5266778 +27 43 14.437984 4.56 4.17 3.42 2.89 2.51 G5IV 654 0
88 HD 162076 * 17 48 24.7679845790 +20 33 55.588591489   6.642 5.687     G5IV 80 0
89 HD 162917 PM* 17 53 14.1854287068 +06 06 05.116741344   6.194 5.759     F4IV-V 87 0
90 * zet Ser PM* 18 00 29.0113725 -03 41 24.968552   4.982 4.616     F2V 175 0
91 HD 165438 RG* 18 06 15.1972877959 -04 45 04.514150172   6.726 5.741     K1IV 64 0
92 CCDM J18443+6103AB ** 18 44 18.26544 +61 02 53.3168   7.203 6.135     G7IV 27 1
93 HD 176095 PM* 18 58 23.7048635463 +06 14 23.744895411   6.667 6.207     F5IV 79 0
94 * b Aql PM* 19 24 58.2002406780 +11 56 39.882312617 6.35 5.93   4.7   G7IVHdel1 457 0
95 * del Aql ** 19 25 29.90139 +03 06 53.2061 3.72 3.68 3.36 3.11 2.95 F1IV-V(n) 225 0
96 HD 184663 PM* 19 35 25.1324056024 +02 54 48.985585455   6.770 6.368     F5V 62 0
97 * 42 Aql PM* 19 37 47.3176956947 -04 38 51.507178097   6.07 5.68     F3IV/V 66 0
98 * bet Aql PM* 19 55 18.7925630 +06 24 24.342501 5.040 4.560 3.710 3.05 2.56 G8IV 515 0
99 HD 190360 PM* 20 03 37.4049065078 +29 53 48.495330996   6.44   5.2   G7IV-V 392 1
100 HD 190771 PM* 20 05 09.7751399814 +38 28 42.552259617   6.82   5.8   G2V 158 0
101 * b01 Cyg RS* 20 06 21.7674289928 +35 58 20.887464451   6.21   4.8   G8.5IVa 161 0
102 * tet Sge A PM* 20 09 56.6470474469 +20 54 54.093791464   6.886 6.516     F3V 45 0
103 HD 192344 PM* 20 14 09.7717712888 +06 35 20.316965379   8.37 7.70     G4IV 51 0
104 HD 195564 PM* 20 32 23.6948964278 -09 51 12.186602743   6.34 5.65     G2.5IV 130 0
105 * kap Del PM* 20 39 07.7860368187 +10 05 10.279480343   5.77   4.6   G2IV 184 0
106 HD 197373 PM* 20 40 17.8926153391 +60 30 18.951698575       5.7   F6IV 81 0
107 * eta Cep PM* 20 45 17.3755540 +61 50 19.616737 4.960 4.320 3.410 2.76 2.27 K0IV 420 0
108 * gam02 Del PM* 20 46 39.4991856138 +16 07 27.435846946   5.26 4.25 4.1   K1IV 169 0
109 HD 201636 PM* 21 06 23.3022697326 +71 25 54.467762924   6.253 5.877     F3IV 32 0
110 HD 201507 PM* 21 09 58.2645083084 +02 56 37.309591367   6.800 6.430     F2V 42 0
111 HD 202582 ** 21 13 42.48263 +64 24 14.2302 7.05 6.99 6.39     G2IV+G2IV 96 0
112 * tau Cyg dS* 21 14 47.49252 +38 02 43.1441 4.140 4.120 3.730 3.38 3.14 F2IV 251 0
113 * 5 Peg PM* 21 37 45.4300545651 +19 19 06.984131703   5.753 5.448     F1IV 75 0
114 * 15 Peg PM* 21 52 29.9167067804 +28 47 36.751682373 5.82 5.95 5.53     F2V 226 0
115 HD 208703 PM* 21 58 13.3080991876 -05 25 29.719488222   6.697 6.331     F2V 43 0
116 HD 210210 * 22 08 17.2378087188 +25 32 36.674040834   6.364 6.072     F1IV 33 0
117 HD 212487 PM* 22 23 54.2529237711 +38 34 25.005700518   6.71   5.9   F5IV: 48 0
118 * sig Peg PM* 22 52 24.0744875405 +09 50 08.386917893   5.64   4.9   F6V 257 0
119 HD 218101 PM* 23 05 06.2912948603 +16 33 46.222200629   7.27   5.9   G8IV 63 0
120 HD 219291 * 23 14 21.7169980257 +29 46 18.586239419   6.846 6.395     F6IVw 46 0
121 HD 223421 * 23 49 11.9239959648 +58 57 47.544515365   6.754 6.355     F2IV 44 0
122 * ome Psc SB* 23 59 18.6906375 +06 51 47.956190       3.8   F4V 133 0

    Equat.    Gal    SGal    Ecl

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2020.10.27-13:41:26

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