2016A&A...596A..29M


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.16CEST19:22:14

2016A&A...596A..29M - Astronomy and Astrophysics, volume 596A, 29-29 (2016/12-1)

The rotation-lithium depletion correlation in the β Pictoris association and the LDB age determination.

MESSINA S., LANZAFAME A.C., FEIDEN G.A., MILLWARD M., DESIDERA S., BUCCINO A., CURTIS I., JOFRE E., KEHUSMAA P., MEDHI B.J., MONARD B. and PETRUCCI R.

Abstract (from CDS):

Context. Evidence exists in the 125-Myr Pleiades cluster, and more recently in the 5-Myr NGC 2264 cluster, to show that rotation plays a key role in lithium (Li) depletion processes among low-mass stars. Fast rotators appear to be less Li-depleted than equal-mass slow rotators.
Aims. We intend to explore the existence of a Li depletion-rotation connection among the β Pictoris members at an age of about 24Myr, and to use this correlation either to confirm or to improve age estimates based on the lithium depletion boundary (LDB) modeling.
Methods. We photometrically monitored all the known members of the β Pictoris association with at least one lithium equivalent width (Li EW) measurement from the literature.
Results. We measured the rotation periods of 30 members for the first time and retrieved the rotation periods for another 36 members from the literature, building a catalogue of 66 members with a measured rotation period and Li EW.
Conclusions. We find that in the 0.3<M<0.8M range, there is a strong correlation between rotation and Li EW. For higher mass stars, no significant correlation is found. For very low-mass stars in the Li depletion onset, at about 0.1M, there are too few data to infer a significant correlation. The observed Li EWs are compared with those predicted by the Dartmouth stellar evolutionary models that incorporate the effects of magnetic fields. After decorrelating the Li EW from the rotation period, we find that the hot side of the LDB is well fitted by Li EW values that correspond to an age of 25±3Myr, which is in good agreement with independent estimates from the literature.

Abstract Copyright: © ESO, 2016

Journal keyword(s): stars: late-type - stars: rotation - starspots - stars: individual: beta Pictoris association - stars: activity - stars: abundances

Simbad objects: 69

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Number of rows : 69

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 203 PM* 00 06 50.0865327442 -23 06 27.147578969   6.547 6.173   5.74 F3V 110 0
2 V* FK Psc RS* 00 23 34.6637748 +20 14 28.750449   12.24 10.84 10.426   K7.5V 32 0
3 GJ 2006 A PM* 00 27 50.2336262880 -32 33 06.303419100   14.33 12.95 11.79 10.29 M3.5Ve 27 0
4 GJ 2006 B PM* 00 27 50.3538258032 -32 33 24.128725527   14.66 13.25 12.04 10.48 M3.5Ve 26 0
5 LP 467-16 ** 01 11 25.422648 +15 26 21.51204   16.19 14.43 14.07 11.03 M5.93 68 0
6 Barta 161 12 SB* 01 35 13.9238924192 -07 12 51.455163714   14.93 13.43 13.053 10.52 M4.3V 51 0
7 BD+17 232A PM* 01 37 39.3873937030 +18 35 32.620813111   11.61 10.58     ~ 9 0
8 HD 14082B BY* 02 17 24.7368500111 +28 44 30.410626137   8.33 7.74     G2V 89 0
9 HD 14082 BY* 02 17 25.2869009788 +28 44 42.143559499   7.545 7.031 8.04   F5V 104 0
10 BD+30 397B PM* 02 27 28.0552831577 +30 58 40.360068027   14.05 12.55     M0 33 0
11 BD+30 397 Ro* 02 27 29.2541412466 +30 58 24.594383708   11.3 10.12 9.32 8.78 K7V 83 1
12 BD+05 378 Ro* 02 41 25.8882107790 +05 59 18.394803825   11.58 10.271   8.807 K6Ve 92 1
13 Cl Melotte 22 OpC 03 47 00 +24 07.0           ~ 2979 0
14 GJ 3305 TT* 04 37 37.4507041928 -02 29 28.869007822   12.04 10.59   8.59 M1.1V 106 0
15 V* V962 Per BY* 04 43 56.8690485495 +37 23 03.361324346   15.35 13.318 12.932   M2V 24 0
16 V* V1005 Ori BY* 04 59 34.8341800543 +01 47 00.672080375   11.48 10.107 9.603 8.239 M0Ve 301 0
17 CD-57 1054 PM* 05 00 47.1300124315 -57 15 25.453371912   11.36 9.977 9.889 8.177 M0Ve 88 0
18 LP 476-207 ** 05 01 58.79419 +09 58 59.2855   12.93 11.53 10.33 8.708 M3.5V 100 0
19 NAME BD-21 1074BC ** 05 06 49.4780711 -21 35 03.735000   13.163 11.500 9.92 8.45 M3? 36 0
20 BD-21 1074A Fl* 05 06 49.9162687060 -21 35 09.125985928   11.86 10.41 9.40 9.07 M2 67 0
21 2MASS J05082729-2101444 * 05 08 27.2968097001 -21 01 44.376570148           M5 20 0
22 PM J05243-1601 ** 05 24 19.136688 -16 01 15.27024   15.17 13.57 13.29   M4.5 23 0
23 V* AF Lep RS* 05 27 04.7631691589 -11 54 03.466187467   6.832 6.295     F8V(n)k: 207 0
24 UCAC3 176-23654 PM* 05 33 59.8217343616 -02 21 32.384481224   13.91 12.42 12.04 9.897 M3 25 0
25 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 1655 1
26 GSC 06513-00291 SB* 06 13 13.3176359174 -27 42 05.506780144   13.77 12.30 11.10 9.52 M3.5 28 0
27 V* AO Men Ro* 06 18 28.2084971476 -72 02 41.446399943   11.06 9.809 9.299 8.456 K4Ve 113 0
28 NGC 2264 OpC 06 40 58 +09 53.7     3.9     ~ 1588 1
29 TWA 22 LXB 10 17 26.8983656044 -53 54 26.459439803   15.69 13.96 13.72   M5 69 0
30 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 557 0
31 HD 139084 Ro* 15 38 57.5579600831 -57 42 27.297738209   8.78 7.977   7.106 K0V 142 0
32 ASAS J164301-1754.4 Ro* 16 43 01.2948233206 -17 54 27.512582101   13.99 12.63 12.176 10.601 M0.5 24 0
33 HD 155555 RS* 17 17 25.5047544575 -66 57 03.732827572 7.795 7.499 6.723   6.39 K1Vp 249 2
34 HD 155555C PM* 17 17 31.2880553026 -66 57 05.472249501   14.36 12.82 12.33   M3Ve 58 1
35 GSC 08350-01924 PM* 17 29 20.67 -50 14 53.0   14.32 12.86     M3Ve 22 0
36 CD-54 7336 Y*O 17 29 55.0774331895 -54 15 48.647695376   10.38 9.614   8.665 K1V 29 0
37 HD 319139 BY* 18 14 10.4818974563 -32 47 34.516106830   11.47 10.68   9.11 K5+K7 290 0
38 2MASS J18151564-4927472 PM* 18 15 15.6476290060 -49 27 47.281200937   14.396 12.838     M3 14 0
39 HD 168210 EB* 18 19 52.2107643808 -29 16 32.832099665   9.44 8.844 8.505 8.132 G5V 35 0
40 BD-10 4662 TT* 18 20 22.74972 -10 11 13.6263   12.00 10.62 10.24 8.884 K5Ve+K7Ve 77 0
41 CD-64 1208 ** 18 45 37.050 -64 51 46.08   10.52 9.433 9.69   K5Ve 57 0
42 Smethells 20 BY* 18 46 52.5519196041 -62 10 36.614339753   13.07 11.831 11.612 9.99 M1Ve 38 0
43 HD 173167 PM* 18 48 06.3595568359 -62 13 47.007124159   7.75 7.28     F5V 23 0
44 CD-31 16041 Y*O 18 50 44.4829107282 -31 47 47.382754551   12.25 11.191 10.745 9.432 K8Ve 34 0
45 V* PZ Tel BY* 18 53 05.8733807460 -50 10 49.901380086   9.22 8.342   7.464 G9IV 286 0
46 TYC 6872-1011-1 Ro* 18 58 04.1531415747 -29 53 04.661694141   13.96 11.800 11.395 9.637 M0Ve 30 0
47 1SWASP J191028.18-231948.0 PM* 19 10 28.2257678790 -23 19 49.244526582   14.755 13.222     M4 18 0
48 CD-26 13904 PM* 19 11 44.6641144803 -26 04 08.495221426   11.29 10.20   9.09 K4V(e) 26 0
49 1SWASP J192338.19-460631.5 Ro* 19 23 38.2106612318 -46 06 31.644873680     11.871   10.139 M0 20 0
50 UCAC3 116-474938 ** 19 56 02.9362903468 -32 07 18.772301422   14.79 13.23 12.98   M4 34 0
51 TYC 7443-1102-1 PM* 19 56 04.3720064734 -32 07 37.674594262   12.95 11.589 11.196 10.12 K9IVe 38 0
52 2MASS J20013718-3313139 Ro* 20 01 37.1727116078 -33 13 14.013026465     12.316   10.214 M1 24 1
53 V* V5663 Sgr PM* 20 05 56.4143253878 -32 16 59.192682689           ~ 9 0
54 HD 191089 PM* 20 09 05.2158287736 -26 13 26.520539765   7.62 7.18     F5V 114 0
55 SCR J2010-2801 SB* 20 10 00.037 -28 01 41.04   14.49 12.99 12.52 10.09 M3.0Ve 32 0
56 1SWASP J203337.61-255651.7 PM* 20 33 37.5963327991 -25 56 52.114150274     14.87 13.44 11.57 M4.5 23 0
57 V* AT Mic A PM* 20 41 51.1277220593 -32 26 06.682842597   12.67 10.36 10.67 7.40 M4.5Ve 33 0
58 EM* StHA 182 ** 20 43 41.142 -24 33 53.19     13.5 12.50 10.10 M4.1V+M3.7V 27 0
59 V* AU Mic BY* 20 45 09.5323695486 -31 20 27.241710746   10.05 8.627 9.078 6.593 M1VeBa1 894 0
60 HD 199143 ** 20 55 47.67398 -17 06 51.0440   7.84 7.32     F8V 105 0
61 HD 358623 BY* 20 56 02.738688 -17 10 53.80428   11.603 10.625 10.18 8.847 K7 78 0
62 GSC 06354-00357 Ro* 21 10 05.3574031320 -19 19 57.613511950     11.66     M2 32 0
63 2MASS J21103147-2710578 PM* 21 10 31.4811655894 -27 10 58.016672314           M4.5 14 0
64 ASAS J212528-8138.5 BY* 21 25 27.4863621030 -81 38 27.692110693   13.31 11.821 11.517 9.64 M1Ve 24 0
65 RX J2200.7+2715 BY* 22 00 41.5851472318 +27 15 13.571556857   12.77 11.366 10.933   M0.0V 32 0
66 CPD-72 2713 Ro* 22 42 48.9341953274 -71 42 21.198383430   11.88 10.565 10.401 8.862 K7Ve 36 0
67 V* WW PsA BY* 22 44 57.9628865248 -33 15 01.745813330 14.583 13.627 12.111 10.916 9.109 M4IVe 92 1
68 V* TX PsA Er* 22 45 00.0639785115 -33 15 26.096344309   14.93 13.36 12.095 10.379 M5IVe 61 0
69 BD-13 6424 Ro* 23 32 30.8615303174 -12 15 51.465549870   12.38 10.639 10.320 8.646 M0Ve 54 0

    Equat.    Gal    SGal    Ecl

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2020.07.16-19:22:14

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