2017A&A...607A...3M


Query : 2017A&A...607A...3M

2017A&A...607A...3M - Astronomy and Astrophysics, volume 607A, 3-3 (2017/11-1)

The β Pictoris association low-mass members: Membership assessment, rotation period distribution, and dependence on multiplicity.

MESSINA S., LANZAFAME A.C., MALO L., DESIDERA S., BUCCINO A., ZHANG L., ARTEMENKO S., MILLWARD M. and HAMBSCH F.-J.

Abstract (from CDS):

Context. Low-mass members of young loose stellar associations and open clusters exhibit a wide spread of rotation periods. Such a spread originates from the distributions of masses and initial rotation periods. However, multiplicity can also play a significant role.
Aims. We aim to investigate the role played by physical companions in multiple systems in shortening the primordial disk lifetime, anticipating the rotation spin up with respect to single stars.
Methods. We have compiled the most extensive list to date of low-mass bona fide and candidate members of the young 25-Myr β Pictoris association. We have measured from our own photometric time series or from archival time series the rotation periods of almost all members. In a few cases the rotation periods were retrieved from the literature. We used updated UVWXYZ components to assess the membership of the whole stellar sample. Thanks to the known basic properties of most members we built the rotation period distribution distinguishing between bona fide members and candidate members and according to their multiplicity status.
Results. We find that single stars and components of multiple systems in wide orbits (>80AU) have rotation periods that exhibit a well defined sequence arising from mass distribution with some level of spread likely arising from initial rotation period distribution. All components of multiple systems in close orbits (<80AU) have rotation periods that are significantly shorter than their equal-mass single counterparts. For these close components of multiple systems a linear dependence of rotation rate on separation is only barely detected. A comparison with the younger 13Myr h Per cluster and with the older 40-Myr open clusters and stellar associations NGC 2547, IC 2391, Argus, and IC 2602 and the 130-Myr Pleiades shows that whereas the evolution of F-G stars is well reproduced by angular momentum evolution models, this is not the case for the slow K and early-M stars. Finally, we find that the amplitude of their light curves is correlated neither with rotation nor with mass.
Conclusions. Once single stars and wide components of multiple systems are separated from close components of multiple systems, the rotation period distributions exhibit a well defined dependence on mass that allows us to make a meaningful comparison with similar distributions of either younger or older associations and clusters. Such cleaned distributions allow us to use the stellar rotation period meaningfully as an age indicator for F and G type stars.

Abstract Copyright: © ESO, 2017

Journal keyword(s): stars: activity - stars: late-type - starspots - binaries: close - open clusters and associations: individual: β Pictoris - stars: rotation - stars: rotation

Simbad objects: 125

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Number of rows : 125
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 HD 203 PM* 00 06 50.0863238088 -23 06 27.145662264   6.547 6.173   5.74 F3V 120 0
2 SCR J0017-6645 Er* 00 17 23.5412251800 -66 45 12.332320668   14.014 12.494 11.943 10.00 M3.0Ve 33 0
3 V* FK Psc RS* 00 23 34.6637748 +20 14 28.750449   12.24 10.84 10.426   K7.5V 39 0
4 GJ 2006 A Er* 00 27 50.2331765568 -32 33 06.306392340   14.33 12.95 11.79 10.29 M3.5Ve 31 0
5 GJ 2006 B Y*? 00 27 50.3535388992 -32 33 24.130761048   14.66 13.25 12.04 10.48 M3.5Ve 31 0
6 LP 525-39 ** 00 32 34.799160 +07 29 26.95704   14.189 12.823 12.253   M3Ve 41 0
7 RX J0107.1-1935 ** 01 07 11.9505 -19 35 36.090   12.915 11.457 11.087 9.421 M1 31 0
8 LP 467-16 LM* 01 11 25.422648 +15 26 21.51204   16.19 14.43 14.07 11.03 M5.93 78 0
9 CD-39 325 EB* 01 13 28.164576 -38 21 02.65032   13.17 11.72 11.38 9.693 M1V+M3V 36 0
10 Barta 161 12 SB* 01 35 13.9246297464 -07 12 51.457318884   14.93 13.43 13.053 10.52 M4.3V 64 0
11 G 271-110 PM* 01 36 55.1765506296 -06 47 38.002431948   15.72 14.00 13.71   M3.5V 53 0
12 BD+17 232A PM* 01 37 39.3884766864 +18 35 32.620582896   11.61 10.58     ~ 9 0
13 RX J0153.5-1459 ** 01 53 50.773992 -14 59 50.34912   13.49 12.01 11.91 9.349 M3 28 0
14 RX J0201.7+0117A Er* 02 01 46.7688277752 +01 17 16.092610224   14.25 12.79 12.75   ~ 7 0
15 RX J0201.7+0117 ** 02 01 46.77 +01 17 11.9     12.372   9.791 ~ 9 0
16 HD 14082B BY* 02 17 24.7369490496 +28 44 30.411007188   8.33 7.74     G2V 100 0
17 HD 14082 BY* 02 17 25.2869702592 +28 44 42.145069812   7.545 7.031 8.04   F5V 114 0
18 PM J02179+1225 PM* 02 17 56.0207444208 +12 25 26.421675420     14.088 13.728   M4 17 0
19 NGC 869 OpC 02 18 58 +57 08.0           ~ 454 0
20 LP 353-51 PM* 02 23 26.6464321080 +22 44 06.759592152   13.28 11.250 10.697   M1V 49 0
21 BD+30 397B PM* 02 27 28.0554707280 +30 58 40.362507732   14.05 12.55     K7 39 0
22 BD+30 397 PM* 02 27 29.2543096632 +30 58 24.596323968   11.3 10.12 9.32 8.78 K7V 94 1
23 BD+05 378 PM* 02 41 25.8882694248 +05 59 18.396173868   11.58 10.271   8.807 K6Ve 101 1
24 2MASSW J0335020+234235 LM* 03 35 02.0907239832 +23 42 35.413750692       17.67   M8.5V 50 0
25 StKM 1-406b PM* 03 46 13.9900343904 +17 09 17.540523180     12.9 12.392   M0 17 0
26 Cl Melotte 22 OpC 03 46 24 +24 06.8           ~ 3185 0
27 Cl Melotte 25 OpC 04 29 47 +16 56.9           ~ 2844 0
28 StKM 1-497 TT* 04 37 37.4553491592 -02 29 28.950973764   12.04 10.59   8.59 M1.1V 119 0
29 V* V962 Per BY* 04 43 56.8689401952 +37 23 03.362995392   15.35 13.318 12.932   M2V 27 0
30 V* V1005 Ori BY* 04 59 34.8342878424 +01 47 00.669818328   11.48 10.107 9.603 8.239 M0Ve 322 0
31 CD-57 1054 PM* 05 00 47.1296589456 -57 15 25.452888732   11.36 9.977 9.889 8.177 M0Ve 108 0
32 HD 286264 TT* 05 00 49.2839822400 +15 27 00.696781296   12.07 10.83 10.08 9.354 K2IV 34 1
33 PM J05019+0108 PM* 05 01 56.6595260856 +01 08 42.901815300     12.859 12.564   M4.0V 36 0
34 LP 476-207 ** 05 01 58.79419 +09 58 59.2855   12.93 11.53 10.33 8.708 M3.5V 109 0
35 NAME BD-21 1074BC ** 05 06 49.4780711 -21 35 03.735000   13.163 11.500 9.92 8.45 M3.5V 40 0
36 BD-21 1074A Er* 05 06 49.9162124448 -21 35 09.128916564   11.86 10.41 9.40 9.07 M2 74 0
37 UCAC4 345-006842 LM* 05 08 27.2958745944 -21 01 44.375576844   15.940 14.665 14.582   M5 28 0
38 RX J0520.0+0612 TT* 05 20 00.2963262960 +06 13 03.693634140   12.84 11.581   10.200 K4e 22 0
39 RX J0520.5+0616 TT* 05 20 31.8237082536 +06 16 11.577800640   12.66 11.677   10.279 K3e 25 0
40 PM J05243-1601 ** 05 24 19.136688 -16 01 15.27024   15.17 13.57 13.29   M4.5 31 0
41 V* AF Lep RS* 05 27 04.7633281608 -11 54 03.466002240   6.832 6.295     F8V(n)k: 220 0
42 RX J0529.7-3239 LM* 05 29 44.6865885384 -32 39 14.295655764   15.369 13.740 13.560 10.80 M4.5 14 0
43 V* V1311 Ori BY* 05 32 04.5017687952 -03 05 29.400403884   13.37 11.437 11.019 9.153 M1.5V 60 0
44 RX J0534.0-0221 Er* 05 33 59.8219468272 -02 21 32.384682504   13.91 12.42 12.04 9.897 M3 31 0
45 RX J0613.2-2742 ** 06 13 13.3189126176 -27 42 05.573884860   13.77 12.30 11.10 9.52 M3.5 34 0
46 V* AO Men PM* 06 18 28.2078302088 -72 02 41.447954904   11.06 9.809 9.299 8.456 K4Ve 129 0
47 NAME AB Dor Moving Group MGr 06 38 53.4 -42 50 04           ~ 421 0
48 PM J07295+3556 ** 07 29 31.0984068744 +35 56 00.384026100     11.876 11.451   M1V 20 0
49 NGC 2547 OpC 08 09 52.360 -49 10 35.01           ~ 356 0
50 1RXS J081742.4-824331 PM* 08 17 39.4747620634 -82 43 30.089395758   13.34 11.621   8.928 M3.5 27 0
51 L 186-67 LM* 08 22 47.4121938277 -57 26 52.937315248   14.4   12.98 10.28 M4.5 30 0
52 IC 2391 OpC 08 41 10 -52 59.5           ~ 766 0
53 MCC 549 SB* 09 36 15.9140989032 +37 31 45.511923504   12.75 11.015 10.539   M0.0V 52 0
54 PM J10019+6651 PM* 10 01 59.9650657200 +66 51 27.742653288     12.289 11.808   M3 10 0
55 MCC 124 BY* 10 14 19.1632274905 +21 04 29.817290641 12.667 11.451 10.083 9.155 8.250 M0.7V 115 1
56 TWA 22 LXB 10 17 26.8927745040 -53 54 26.387425044   15.69 13.96 13.72   M5 76 0
57 IC 2602 OpC 10 42 27 -64 25.6           ~ 611 0
58 HD 95174A PM* 10 59 38.3124114552 +25 26 15.480883248       8.830   K4V 28 0
59 HD 95174B PM* 10 59 38.6791872240 +25 26 13.714334988       8.4   K5 21 0
60 RX J1151.9+0731 SB* 11 51 56.8227955536 +07 31 26.527763856   13.82 12.42 12.06 10.156 M2.5V 26 0
61 UPM J1354-7121 LM* 13 54 53.9032843176 -71 21 47.729281248   13.72 12.24 11.82 9.80 M2.5 22 0
62 HD 124498 Ro* 14 14 21.35665 -15 21 21.7551   11.74 10.222 10.072 8.493 K5.5Vkee 66 0
63 HD 124498A ** 14 14 21.3743952720 -15 21 22.064130648   12.38 10.50     ~ 4 0
64 HD 124498B * 14 14 21.4585190304 -15 21 21.184770816           ~ 7 0
65 StKM 1-1155 LM* 14 25 55.9329900624 +14 12 10.113682644   12.13 11.05 10.62   M0.0V 23 0
66 NAME beta Pic Moving Group MGr 14 30 -42.0           ~ 668 0
67 HD 139084 Ro* 15 38 57.5566916952 -57 42 27.346084668   8.78 7.977   7.106 K0V 153 0
68 ASAS J164301-1754.4 PM* 16 43 01.2949583448 -17 54 27.513130104   13.99 12.63 12.176 10.601 M0.5 31 0
69 TYC 8726-1327-1 LM* 16 57 20.2671636792 -53 43 31.584535032           M3 24 0
70 1RXS J171502.4-333344 LM* 17 15 02.1989814408 -33 33 40.167161424   12.051 10.776 10.463 9.066 M0 16 0
71 HD 155555 RS* 17 17 25.5053342232 -66 57 03.732141636 7.795 7.499 6.723   6.39 K1Vp 261 2
72 HD 155555C Y*? 17 17 31.2882831192 -66 57 05.470945380   14.36 12.82 12.33   M3Ve 62 1
73 GSC 08350-01924 PM* 17 29 20.67 -50 14 53.0   14.32 12.86     M3Ve 24 0
74 CD-54 7336 Y*O 17 29 55.0775553600 -54 15 48.649620708   10.38 9.614   8.665 K1V 36 0
75 HD 160305 Em* 17 41 49.0384375440 -50 43 28.040970972   8.91 8.405   7.736 F8/G0V 37 1
76 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 12914 0
77 HD 161460 Y*O 17 48 33.7487706842 -53 06 43.372347052   10.44 8.945   7.954 K0IV 27 0
78 HD 164249 PM* 18 03 03.4097283792 -51 38 56.432149872   7.438 7.007 7.90   F6V 106 0
79 HD 319139 SB* 18 14 10.4818675368 -32 47 34.516836060   11.47 10.68   9.11 K5+K7 328 0
80 ASAS J181422-3246.2 Em* 18 14 22.0736727072 -32 46 10.132941432   14.14 12.78 12.316 10.380 M1Ve 41 0
81 2MASS J18151564-4927472 PM* 18 15 15.6448794120 -49 27 47.301999804   14.396 12.838     M3 15 0
82 HD 168210 EB* 18 19 52.2105321456 -29 16 32.828773368   9.44 8.844 8.505 8.132 G5V 42 0
83 BD-10 4662A Em* 18 20 22.7419817184 -10 11 13.602587568   12.58 10.99     K5Ve 15 0
84 BD-10 4662B Em* 18 20 22.7611100400 -10 11 12.551461584           K7Ve 1 0
85 1RXS J184206.5-555426 PM* 18 42 06.9567394488 -55 54 25.578666072     13.535   10.725 M3.0Ve 22 0
86 CD-64 1208 ** 18 45 37.0492713148 -64 51 45.888646069   10.518 9.433 9.694   K5Ve 60 0
87 Smethells 20 BY* 18 46 52.5522032160 -62 10 36.612382764   13.07 11.831 11.612 9.99 M1Ve 48 0
88 HD 173167 PM* 18 48 06.3597769152 -62 13 47.005597488   7.75 7.28     F5V 27 0
89 CD-31 16041 Y*O 18 50 44.4830287248 -31 47 47.382005112   12.25 11.191 10.745 9.432 K8Ve 42 0
90 V* PZ Tel BY* 18 53 05.8735056984 -50 10 49.897437168   9.22 8.342   7.464 G9IV 307 0
91 1RXS J185803.4-295318 SB* 18 58 04.1528661528 -29 53 04.669153116   13.96 11.800 11.395 9.637 M0Ve 38 0
92 1SWASP J191028.18-231948.0 PM* 19 10 28.2257678790 -23 19 49.244526582   14.755 13.222     M4 19 0
93 CD-26 13904 ** 19 11 44.6658331104 -26 04 08.530229568   11.29 10.20   9.09 K4V(e) 31 0
94 ASAS J192338-4606.4 LM* 19 23 38.2106568240 -46 06 31.644281952     11.871   10.139 M0 23 0
95 2MASS J19243494-3442392 Y*? 19 24 34.9534729320 -34 42 39.365599464   15.878 14.300     M4.0Ve 14 0
96 UCAC3 116-474938 ** 19 56 02.9406768936 -32 07 18.658834068   14.79 13.23 12.98   M4 41 0
97 PM J19560-3207 PM* 19 56 04.3718230416 -32 07 37.672684032   12.95 11.589 11.196 10.12 K9IVe 48 0
98 UCAC4 284-205440 PM* 20 01 37.1727936768 -33 13 14.010933936   13.846 12.374 11.920 10.214 M1 29 1
99 V* V5663 Sgr PM* 20 05 56.4141084720 -32 16 59.189501136           ~ 9 0
100 HD 191089 PM* 20 09 05.2156358688 -26 13 26.520165768   7.62 7.18     F5V 133 0
101 SCR J2010-2801 SB* 20 10 00.037 -28 01 41.04   14.49 12.99 12.52 10.09 M3.0Ve 35 0
102 SCR J2033-2556 PM* 20 33 37.5959168616 -25 56 52.115241876     14.87 13.44 11.57 M4.5 27 0
103 V* AT Mic A PM* 20 41 51.1280932024 -32 26 06.657282275   12.67 10.36 10.67 7.40 M4.5Ve 37 0
104 V* AT Mic B PM* 20 41 51.1602483321 -32 26 10.230816719   12.64 11.34 10.79   M4.5Ve 78 0
105 EM* StHA 182 ** 20 43 41.142360 -24 33 53.18208       12.379 10.10 M4.1V+M3.7V 34 0
106 V* AU Mic LM* 20 45 09.5324974119 -31 20 27.237889841   10.05 8.627 9.078 6.593 M1VeBa1 1002 0
107 HD 199143 PM* 20 55 47.6748292416 -17 06 51.061731768   7.84 7.32 8.29   F8V 114 0
108 HD 358623 BY* 20 56 02.738688 -17 10 53.80428   11.603 10.625 10.18 8.847 K7 89 0
109 BPS CS 22898-0065 PM* 21 10 05.3573127288 -19 19 57.611503056   13.174 11.750 11.381   M2 39 0
110 2MASS J21103096-2710513 PM* 21 10 30.9703033872 -27 10 51.526571844           M5 13 0
111 ** BRG 32A PM* 21 10 31.4809619232 -27 10 58.013277492           M4.5 17 0
112 V* V390 Pav PM* 21 21 24.4939911360 -66 54 57.365639064   9.95 8.766   7.515 K2V 56 0
113 PM J21214-6655 LM* 21 21 28.7195632968 -66 55 06.270466728   11.94 10.595 10.244   K7V 28 0
114 ASAS J212528-8138.5 BY* 21 25 27.4805070792 -81 38 27.691901952   13.31 11.821 11.517 9.64 M1Ve 31 0
115 RX J2137.6+0137 ** 21 37 40.1896911245 +01 37 13.502295282   14.91 13.14 13.071 10.439 M4.5V 38 0
116 PM J21414+2043 PM* 21 41 26.6351028192 +20 43 10.738591860   14.95 13.43 13.014   M3.0V 11 0
117 RX J2200.7+2715 BY* 22 00 41.5852665432 +27 15 13.572662004   12.77 11.366 10.933   M0.0V 37 0
118 CPD-72 2713 PM* 22 42 48.9340258128 -71 42 21.199866948   11.718 10.565 10.401 8.862 K7Ve 53 0
119 V* WW PsA BY* 22 44 57.9628374984 -33 15 01.744541676 14.583 13.627 12.111 10.916 9.109 M4IVe 106 1
120 V* TX PsA Er* 22 45 00.0641595504 -33 15 26.091533124   14.93 13.36 12.095 10.379 M5IVe 71 0
121 PM J22571+3639 PM* 22 57 11.3006798808 +36 39 45.198117108     12.403 11.882   M3 8 0
122 BPM 82931 Er* 23 32 30.8611320024 -12 15 51.462942408   12.38 10.639 10.320 8.646 M0Ve 63 0
123 RX J2350.0+2659 PM* 23 50 06.4057206312 +26 59 51.953262936   15.9   13.3 11.2 M4.0V 24 0
124 G 68-46 PM* 23 51 22.2966320952 +23 44 20.580799416   15.33   13.895   M4.0V 44 0
125 NAME Argus Association As* ~ ~           ~ 198 0

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2022.05.28-21:35:04

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