2011ApJ...733L...9M

Query : 2011ApJ...733L...9M

2011ApJ...733L...9M - Astrophys. J., 733, L9 (2011/May-3)

The Kepler Cluster Study: stellar rotation in NGC 6811.

MEIBOM S., BARNES S.A., LATHAM D.W., BATALHA N., BORUCKI W.J., KOCH D.G., BASRI G., WALKOWICZ L.M., JANES K.A., JENKINS J., VAN CLEVE J., HAAS M.R., BRYSON S.T., DUPREE A.K., FURESZ G., SZENTGYORGYI A.H., BUCHHAVE L.A., CLARKE B.D., TWICKEN J.D. and QUINTANA E.V.

Abstract (from CDS):

We present rotation periods for 71 single dwarf members of the open cluster NGC 6811 determined using photometry from NASA's Kepler mission. The results are the first from The Kepler Cluster Study, which combines Kepler's photometry with ground-based spectroscopy for cluster membership and binarity. The rotation periods delineate a tight sequence in the NGC 6811 color-period diagram from ∼1 day at mid-F to ∼11 days at early-K spectral type. This result extends to 1 Gyr similar prior results in the ∼600 Myr Hyades and Praesepe clusters, suggesting that rotation periods for cool dwarf stars delineate a well-defined surface in the three-dimensional space of color (mass), rotation, and age. It implies that reliable ages can be derived for field dwarf stars with measured colors and rotation periods, and it promises to enable further understanding of various aspects of stellar rotation and activity for cool stars.

Abstract Copyright: ∼

Journal keyword(s): open clusters and associations: individual: NGC 6811 - stars: activity - stars: late-type - starspots - stars: rotation

VizieR on-line data: <Available at CDS (J/ApJ/733/L9): table1.dat>

Simbad objects: 83

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Number of rows : 83
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
2 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
3 M 37 OpC 05 52 18.6 +32 32 36           ~ 436 0
4 NGC 2168 OpC 06 09 07.5 +24 20 15           ~ 604 0
5 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
6 NAME Coma Dwarf Galaxy G 12 26 59.0 +23 54 15     14.1     ~ 482 1
7 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
8 KOI-243 * 19 34 40.8339604845 +46 17 44.331435792           G3V 25 0
9 2MASS J19351325+4615204 * 19 35 13.2610295000 +46 15 20.451375345           ~ 19 0
10 2MASS J19351328+4603434 V* 19 35 13.2905706368 +46 03 43.467933198           ~ 13 0
11 2MASS J19352254+4602532 * 19 35 22.5496425984 +46 02 53.312010828           ~ 19 0
12 2MASS J19352418+4630221 * 19 35 24.1860832080 +46 30 22.045738464           ~ 9 0
13 2MASS J19354696+4606270 * 19 35 46.9644208536 +46 06 27.096288084           ~ 22 0
14 Kepler-66 Ro* 19 35 55.5742859415 +46 41 15.957071005     15.3 15.29   G3 75 1
15 2MASS J19360860+4630432 * 19 36 08.6064996657 +46 30 43.153242487           ~ 21 0
16 2MASS J19361564+4618094 * 19 36 15.6490957643 +46 18 09.449017766           ~ 21 0
17 2MASS J19363023+4622150 * 19 36 30.2431141522 +46 22 15.001263861           ~ 17 0
18 2MASS J19363846+4615254 Pu* 19 36 38.4655164744 +46 15 25.298900712           ~ 23 0
19 2MASS J19363933+4627018 V* 19 36 39.3336725264 +46 27 01.820215031           F5V 16 0
20 2MASS J19364078+4618155 * 19 36 40.7807338694 +46 18 15.457011398           ~ 21 0
21 2MASS J19364116+4623095 V* 19 36 41.1691801080 +46 23 09.505299841           F2V 14 0
22 2MASS J19364368+4609130 * 19 36 43.6769191191 +46 09 13.115109637           ~ 26 0
23 2MASS J19364491+4622270 * 19 36 44.9087200608 +46 22 26.914525320           ~ 19 0
24 2MASS J19364504+4644579 * 19 36 45.0495517200 +46 44 57.807108060           ~ 13 0
25 2MASS J19364532+4627157 * 19 36 45.3180831984 +46 27 15.725497212           ~ 23 0
26 2MASS J19364777+4632454 * 19 36 47.7676702656 +46 32 45.345247188           ~ 19 0
27 2MASS J19364824+4628364 * 19 36 48.2445195743 +46 28 36.361319223           G0IV-V 28 0
28 2MASS J19365264+4643249 * 19 36 52.6443385200 +46 43 24.846127644           ~ 24 0
29 2MASS J19365448+4605446 * 19 36 54.4895036232 +46 05 44.653711452           ~ 23 0
30 2MASS J19365467+4625036 V* 19 36 54.6774866506 +46 25 03.610365631           F2V 16 0
31 2MASS J19365592+4616418 * 19 36 55.9261797792 +46 16 41.819288916           ~ 19 0
32 Cl* NGC 6811 SAN 91 gD* 19 36 55.9904445694 +46 15 18.373175687   13.55 13.118     ~ 20 0
33 2MASS J19365721+4625582 * 19 36 57.2177012496 +46 25 58.334593044           ~ 12 0
34 2MASS J19365918+4605547 * 19 36 59.1869966688 +46 05 54.701111832           ~ 18 0
35 2MASS J19370019+4632277 * 19 37 00.1952001271 +46 32 27.667755084           ~ 23 0
36 2MASS J19370235+4624559 * 19 37 02.3545648104 +46 24 55.913393160           ~ 17 0
37 2MASS J19370296+4618467 * 19 37 02.9770271760 +46 18 46.745162244           ~ 21 0
38 2MASS J19370522+4635080 * 19 37 05.2255070010 +46 35 07.919208689           ~ 24 0
39 2MASS J19370678+4558188 * 19 37 06.7866791712 +45 58 18.764622876           ~ 20 0
40 2MASS J19370731+4648474 * 19 37 07.3162289610 +46 48 47.424997694           ~ 14 0
41 2MASS J19370887+4638152 * 19 37 08.8662299856 +46 38 15.168550092           ~ 18 0
42 2MASS J19371041+4639193 * 19 37 10.4243757720 +46 39 19.333440468           ~ 17 0
43 2MASS J19371128+4620491 * 19 37 11.2964232888 +46 20 49.147443492           ~ 22 0
44 2MASS J19371137+4612276 * 19 37 11.3812227394 +46 12 27.597817767           ~ 25 0
45 2MASS J19371422+4620173 * 19 37 14.2321467384 +46 20 17.455693200           ~ 15 0
46 2MASS J19371444+4622143 * 19 37 14.4502134648 +46 22 14.367098784           ~ 23 0
47 2MASS J19372117+4628495 * 19 37 21.1664280528 +46 28 49.500694200           ~ 17 0
48 2MASS J19372149+4603362 * 19 37 21.5010497424 +46 03 36.237754440           ~ 21 0
49 NGC 6811 OpC 19 37 21.8 +46 22 43   7.47 6.8     ~ 435 0
50 2MASS J19372275+4628099 V* 19 37 22.7538637920 +46 28 09.829210512           ~ 12 0
51 2MASS J19372367+4603581 * 19 37 23.6707323576 +46 03 58.088641932           ~ 22 0
52 2MASS J19372490+4622161 * 19 37 24.9019215168 +46 22 16.224212100           ~ 16 0
53 2MASS J19372774+4619359 * 19 37 27.7401842448 +46 19 35.913774288           ~ 19 0
54 2MASS J19373252+4624030 * 19 37 32.5187778312 +46 24 03.041903448           G0IV-V 24 0
55 ZTF J193738.27+461913.9 BY* 19 37 38.2754528784 +46 19 13.976251536           ~ 22 0
56 2MASS J19373838+4631429 * 19 37 38.3823513696 +46 31 43.000534524           ~ 16 0
57 2MASS J19373857+4629125 gD* 19 37 38.5729801473 +46 29 12.682361256           ~ 18 0
58 2MASS J19373981+4615309 * 19 37 39.8210404488 +46 15 30.804228360           G2IV-V 13 0
59 2MASS J19374386+4619128 * 19 37 43.8678811536 +46 19 12.931569732           ~ 18 0
60 2MASS J19374597+4627303 * 19 37 45.9770518968 +46 27 30.555498672           ~ 21 0
61 2MASS J19374736+4618461 * 19 37 47.3693503464 +46 18 46.184288796           ~ 16 0
62 2MASS J19375067+4632062 * 19 37 50.6839756464 +46 32 06.282159072           ~ 17 0
63 2MASS J19375990+4624446 V* 19 37 59.9109560125 +46 24 44.744129763           ~ 13 0
64 2MASS J19380241+4622271 * 19 38 02.4171728592 +46 22 27.178223844           ~ 22 0
65 2MASS J19380873+4632381 * 19 38 08.7360639402 +46 32 38.082741953           ~ 20 0
66 2MASS J19380997+4631254 * 19 38 09.9729618888 +46 31 25.311658080           ~ 6 0
67 2MASS J19381087+4616342 * 19 38 10.8674956392 +46 16 34.205590632           ~ 19 0
68 2MASS J19381246+4625287 V* 19 38 12.4668921182 +46 25 28.652696267           G2V 16 0
69 2MASS J19382633+4621064 Pu* 19 38 26.3385273360 +46 21 06.421173876           ~ 20 0
70 ZTF J193847.56+461806.8 BY* 19 38 47.5738701552 +46 18 06.863218560           ~ 23 0
71 2MASS J19384960+4624130 * 19 38 49.6006283352 +46 24 13.083557184           ~ 17 0
72 2MASS J19385046+4627115 * 19 38 50.4647447328 +46 27 11.607533172           ~ 9 0
73 2MASS J19385521+4637187 * 19 38 55.2206785056 +46 37 18.754348332           ~ 20 0
74 2MASS J19385654+4631480 * 19 38 56.5389794016 +46 31 48.057211380           ~ 21 0
75 2MASS J19385856+4621541 * 19 38 58.5636515855 +46 21 54.104500197           ~ 22 0
76 2MASS J19391730+4617383 * 19 39 17.3051153016 +46 17 38.297765832           ~ 5 0
77 2MASS J19393111+4632375 * 19 39 31.1097544106 +46 32 37.547873186           ~ 23 0
78 2MASS J19393326+4611295 * 19 39 33.2593809360 +46 11 29.541300252           ~ 20 0
79 2MASS J19395054+4626592 * 19 39 50.5472602944 +46 26 59.160494436           ~ 22 0
80 NGC 6819 OpC 19 41 18.3 +40 11 19   8.21 7.3     ~ 719 0
81 NGC 6866 OpC 20 03 57.7 +44 10 22   8.04 7.6     ~ 185 0
82 NAME Cyg Complex reg 20 32 +45.0           ~ 667 0
83 NAME Lyra reg ~ ~           ~ 62 0

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