J/A+A/557/L10 Rotation periods of 12000 Kepler stars (Nielsen+, 2013)
Rotation periods of 12 000 main-sequence Kepler stars: Dependence on stellar
spectral type and comparison with vsini observations.
Nielsen M.B., Gizon L., Schunker H., Karoff C.
<Astron. Astrophys. 557, L10 (2013)>
=2013A&A...557L..10N 2013A&A...557L..10N
ADC_Keywords: Stars, dwarfs ; Stars, late-type ; Rotational velocities
Keywords: stars: rotation - starspots - stars: late-type
Abstract:
We aim to measure the starspot rotation periods of active stars in the
Kepler field as a function of spectral type and to extend reliable
rotation measurements from F-, G-, and K-type to M-type stars.
Using the Lomb-Scargle periodogram we searched more than 150000
stellar light curves for periodic brightness variations.
Description:
Rotation periods of 12253 stars in the Kepler field. The periods are
determined by the brightness variations, from star spots or active
regions, in the light curves of the white light photometry obtained by
the Kepler spacecraft. The median absolute deviation from the median
(MAD) of the periods shows the scatter of periods for each star, over
6 or more (out of 8 analyzed) Kepler quarters. The g-r color index,
E(B-V), radius, surface gravity, and effective temperature are from
the Kepler Input Catalog (KIC). Column 9 (TF) indicates whether or not
the msMAP data for a given star satisfies the selection criteria
described in section 2. Of these, there are 86 stars with periods from
the msMAP data that differ from the period derived from the PDCMAP
data by more than one frequency resolution element (1/90d-1). For
these stars the msMAP periods are therefore given in column 10 as a
none-zero value.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 64 12151 Rotation periods, MAD values, and KIC parameters
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See also:
V/133 : Kepler Input Catalog (Kepler Mission Team, 2009)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 9 I9 --- KIC KIC identification number (1)
11- 16 F6.3 d Prot Rotation period
18- 22 F5.3 d MAD Median absolute deviation of quarterly periods
24- 31 F8.3 mag g-r ?=9999 g-r color index (1)(2)
33- 37 F5.3 mag E(B-V) E(B-V) extinction (1)
39- 43 F5.3 Rsun Rad Stellar radius (1)
45- 49 F5.3 [cm/s2] logg Surface gravity (1)
51- 55 I5 K Teff Surface effective temperature (1)
57 I1 --- TF [0/1] 1 if the msMAP satisfies the selection
criteria of section 2 (3)
59- 64 F6.3 d Pms ?=0 Period from msMAP when differs from Prot
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Note (1): From the Kepler Input Catalog (V/133) at
http://archive.stsci.edu/kepler/kic.html
Note (2): 10 targets in the sample do not have g-r values, these are
therefore set to g-r=9999.000.
Note (3): msMAP pipeline ("ms" stands for "multiscale"): Thompson et al.
2013, Kepler Data Release 21 Notes KSCI-19061-001 Tech. report.
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Acknowledgements:
Martin Bo Nielsen, nielsenm(at)mps.mpg.de
(End) Martin Bo Nielsen [IAG, Goettingen], Patricia Vannier [CDS] 12-Aug-2013