2019MNRAS.485L..68L

Query : 2019MNRAS.485L..68L

2019MNRAS.485L..68L - Mon. Not. R. Astron. Soc., 485, L68-L72 (2019/May-1)

Constraining the evolution of stellar rotation using solar twins.

LORENZO-OLIVEIRA D., MELENDEZ J., YANA GALARZA J., PONTE G., DOS SANTOS L.A., SPINA L., BEDELL M., RAMIREZ I., BEAN J.L. and ASPLUND M.

Abstract (from CDS):

The stellar rotation versus age relation is commonly considered a useful tool to derive reliable ages for Sun-like stars. However, in the light of Kepler data, the presence of apparently old and fast rotators that do not obey the usual gyrochronology relations led to the hypothesis of weakened magnetic breaking in some stars. In this letter, we constrain the solar rotation evolutionary track using solar twins. Predicted rotational periods as a function of mass, age, [Fe/H], and given critical Rossby number (Rocrit) were estimated for the entire rotational sample. Our analysis favours the smooth rotational evolution scenario and suggests that if the magnetic weakened breaking scenario takes place at all, it should arise after Rocrit >= 2.29 or ages >=5.3 Gyr (at 95 per cent confidence level).

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): Sun: rotation - stars: fundamental parameters - stars: rotation - stars: solar-type

VizieR on-line data: <Available at CDS (J/MNRAS/485/L68): table1a.dat table1b.dat table1c.dat>

Simbad objects: 51

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Number of rows : 51
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 HD 2071 PM* 00 24 42.5482773168 -53 59 02.393720124   7.95 7.27     G2V 96 0
2 HD 3821 Y*O 00 40 47.4831909888 -07 13 57.394547220   7.68 7.04     G1V 87 0
3 HD 6204 * 01 02 57.4203939192 -09 51 40.459854636   9.17 8.53     G3V 53 0
4 HD 6718 PM* 01 07 48.6630425064 -08 14 01.330721808   9.087 8.45     G5V 103 1
5 HD 9986 PM* 01 37 40.8790403832 +12 04 42.170345796   7.43 6.76     G2V 116 0
6 HD 13357A PM* 02 10 52.0806000541 +13 40 59.802324665   8.88 8.20 8.75   G4V 84 0
7 * 66 Cet B PM* 02 12 46.6412312216 -02 23 46.795305738   8.42 7.74     G1V 89 0
8 HD 19518 PM* 03 08 44.3070460224 +15 20 05.382308796 8.590 8.460   7.4   G8V 72 0
9 HD 26990 ** 04 16 16.5072970248 +07 09 33.968089296   8.14 7.51     G0V: 79 0
10 * 58 Eri BY* 04 47 36.2917029384 -16 56 04.040472552   6.14 5.50     G2.5IV-V 428 0
11 HD 36152 EB* 05 28 59.1281221368 -17 25 45.264636732   8.95 8.27     G5V 74 0
12 HD 42618 PM* 06 12 00.5668858951 +06 46 59.057784676 7.632 7.496 6.839 6.478 6.143 G4V 187 0
13 HD 42807 RS* 06 13 12.5028624208 +10 37 37.712484445   7.12   6.0   G5V 235 0
14 HD 44665A PM* 06 20 46.8348175944 -44 47 21.005722392   9.17 8.49 9.26   G5V 51 0
15 HD 45289 PM* 06 24 24.3502565548 -42 50 51.065558426   7.35 6.67     G2V 146 0
16 HD 45346 PM* 06 24 43.7598139752 -43 24 20.427159816   9.32 8.63     G5V 59 0
17 HD 45184 PM* 06 24 43.8795895848 -28 46 48.415725948   7.01 6.39 6.24 8.94 G2Va 204 1
18 HD 54351 PM* 07 09 04.9568857614 +15 25 17.721143007   8.65   7.6   G4 78 0
19 HD 59711 PM* 07 30 40.0131351696 -15 59 40.506885096   8.35 7.71     G2V 94 0
20 HD 59967 PM* 07 30 42.5117581608 -37 20 21.706958688 7.386 7.274 6.635 6.28 5.945 G3V 162 0
21 HD 63487 PM* 07 48 05.9776759056 -27 31 10.675343172   9.82 9.20     G2V 52 0
22 HD 68168 PM* 08 11 49.1886306960 +16 31 25.903263756   8.02   6.9   G0 90 0
23 HD 71334 PM* 08 25 49.5155726353 -29 55 50.133816869   8.49 7.82     G2.5V 134 0
24 V* V401 Hya BY* 08 37 50.2937396460 -06 48 24.779911420 7.577 7.394 6.725 6.365 6.029 G8/K0(IV) 175 0
25 HD 75302 PM* 08 49 12.5288521056 +03 29 05.117812440       7.0   G5V 96 0
26 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2342 0
27 HD 78429 PM* 09 06 38.8310026968 -43 29 31.119230904   7.93 7.33     G2V 131 0
28 HD 78534 PM* 09 09 10.3672044600 +10 49 18.109008696       8.3   G5 47 0
29 HD 96423 PM* 11 06 19.7446310712 -44 22 23.941868664   7.92 7.23     G5V 108 0
30 HD 115169 PM* 13 15 47.3883123984 -29 30 21.187221660   9.89 9.20     G3V 47 0
31 HD 120690 SB* 13 51 20.3417568044 -24 23 25.843045584           G5Va 149 0
32 HD 122194 PM* 14 01 03.6089962944 -32 45 25.026273504   10.04 9.36     G3V 62 0
33 HD 124523 PM* 14 15 14.9760020088 -42 48 16.756312176   10.14 9.46     G8V+G 49 0
34 HD 135101 PM* 15 12 43.4807788693 +19 17 09.742475250   7.36   6.2   G5V_Fe-0.9 173 0
35 * psi Ser PM* 15 44 01.8185683752 +02 30 54.600593940       5.4   G2.5V 237 0
36 HD 142331 PM* 15 54 19.7884766136 -08 34 49.370849400   9.39 8.75     G5V 46 0
37 HD 143436 PM* 16 00 18.8372107008 +00 08 13.230170916       7.6   G3V 46 0
38 * 18 Sco PM* 16 15 37.2702755653 -08 22 09.982125430   6.15 5.50     G2Va 604 0
39 HD 157347 PM* 17 22 51.2877087336 -02 23 17.439450684   6.965 6.278     G3V 202 0
40 Kepler-334 Er* 19 08 33.7575590712 +47 06 54.721322640   13.393 12.839 12.748   G0 56 0
41 Kepler-537 Ro* 19 19 31.3516927752 +51 16 37.476317748           F9 41 0
42 Kepler-1869 Er* 19 30 27.6262767888 +42 45 51.310297152   10.688 10.276 10.079   G5V 54 0
43 HD 183658 PM* 19 30 52.7192905944 -06 30 51.925245768   7.93 7.28     G3V 120 0
44 HD 183579 PM* 19 33 08.5946288376 -54 31 56.540284248   9.33 8.68     G5V 58 0
45 NGC 6811 OpC 19 37 21.6 +46 22 41   7.47 6.8     ~ 378 0
46 NGC 6819 OpC 19 41 18.5 +40 11 24   8.21 7.3     ~ 635 0
47 Kepler-11 Er* 19 48 27.6226218768 +41 54 32.903163504   14.635 13.838 13.742   G2V 351 1
48 HD 196390 PM* 20 39 02.5204451352 -49 19 53.123980188   7.96 7.32     G1.5V 72 0
49 HD 197027 PM* 20 41 54.6335853576 -27 12 57.415436208   9.80 9.15     G3V 76 0
50 HD 200633 PM* 21 04 44.1476682576 -04 49 44.026181580   9.00 8.34     G5V 78 0
51 HD 224383 PM* 23 57 33.5181718097 -09 38 51.070746906   8.51 7.88     G3V 120 0

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