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J/A+A/612/L2         Compilation of stellar rotation data        (Kovacs, 2018)

Signature of non-isotropic distribution of stellar rotation inclination angles in the Praesepe cluster. Kovacs G. <Astron. Astrophys. 612, L2 (2018)> =2018A&A...612L...2K (SIMBAD/NED BibCode)
ADC_Keywords: Milky Way ; Clusters, open Keywords: stars: rotation - open clusters and associations: individual: M 44 Abstract: The distribution of the stellar rotation axes of 113 main sequence stars in the open cluster Praesepe are examined by using current photometric rotation periods, spectroscopic rotation velocities, and estimated stellar radii. Three different samples of stellar rotation data on spotted stars from the Galactic field and two independent samples of planetary hosts are used as control samples to support the consistency of the analysis. Considering the high completeness of the Praesepe sample and the behavior of the control samples, we find that the main sequence F-K stars in this cluster are susceptible to rotational axis alignment. Using a cone model, the most likely inclination angle is 76±14° with a half opening angle of 47±24°. Non-isotropic distribution of the inclination angles is preferred over the isotropic distribution, except if the rotation velocities used in this work are systematically overestimated. We found no indication of this being the case on the basis of the currently available data. Description: The three datasets included in table1-1.dat, table1-2.dat and table1-6.dat respectively, correspond to the type of stars listed in Table 1 in lines 1 [Praesepe], 2 [HJ_host] and 6 [Field(C)]. These data result from the compilation of rotational and other stellar data from the literature. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1-1.dat 147 120 Stellar rotation data in Praesepe table1-2.dat 95 39 Stellar rotation data on hot Jupiter host stars table1-6.dat 89 55 Stellar rotation data in the Kepler field refs.dat 70 50 References
See also: V/133 : Kepler Input Catalog (Kepler Mission Team, 2009) J/MNRAS/456/2260 : K2 Variability Catalogue II (Armstrong+, 2016) Byte-by-byte Description of file: table1-1.dat
Bytes Format Units Label Explanations
1- 9 I9 --- K2ID ?=0 Kepler K2 EPIC identifier (1) 12- 17 A6 --- M44ID Other identifier 21- 35 A15 --- HATID HATNet identifier (HAT-NNN-NNNNNNN) 38- 47 F10.6 deg RAdeg Right Ascension (J2000.0) (2) 51- 59 F9.6 deg DEdeg Declination (J2000.0) (2) 62- 65 F4.1 km/s Vsini Equatorial rotational velocity times sin(i) (2) 68- 71 F4.1 km/s e_Vsini Error of Vsini (2) 74- 80 F7.4 d Prot Rotation period in 83- 88 F6.3 mag Vmag Johnson V magnitude (3) 91- 96 F6.3 mag Kmag 2MASS K magnitude (3) 100-104 F5.3 mag J-K 2MASS J-K index (3) 108-112 F5.3 Rsun R Stellar radius (4) 116-120 F5.3 Lsun L Stellar luminosity (4) 124-127 I4 K Teff Stellar effective temperature (5) 133-135 A3 --- n_Prot Source of Prot (6) 140-147 A8 --- Notes Variable type (7)
Note (1): K2_ID: Missing items in K2 are denoted by 000000000. Note (2): From Mermilliod et al., 2009, Cat. J/A+A/498/949. Note (3): From URAT1 (Zacharias et al., 2015, Cat. I/329) or UCAC4 (Zacharias et al., 2012, Cat. I/322) of CDS. Note (4): by using IRFM-calibrated Teff and PARSEC evolution models Note (5): IRFM-calibrated Teff, using V, J, K magnitudes Note (6): Source of Prot as follows: KEP = K2, Rebull et al., 2017, Cat. J/ApJ/839/92 HAT = HATNet, Kovacs et al., 2014, Cat. J/MNRAS/442/2081 Note (7): Notes as follows: SB* = Spectroscopic binary and rotational variable (see Mermilliod et al., 2009, Cat. J/A+A/498/949) x = Rotational variable
Byte-by-byte Description of file: table1-2.dat
Bytes Format Units Label Explanations
1- 9 A9 --- Name System name 13- 17 F5.2 d Porb Orbital period 20- 24 F5.2 km/s vsini Equatorial rotational velocity times sin(i) 29- 32 F4.2 km/s e_vsini Error of vsini (1) 36- 39 F4.2 Rsun R* Stellar radius (2) 42- 46 F5.0 K Teff Stellar effective temperature 49- 53 F5.3 [cm2/s] logg log_10 of the surface acceleration (2) 56- 60 F5.2 --- [Fe/H] Logarithmic iron abundance relative to the Sun 64- 68 F5.2 d Prot Rotational period 71- 75 F5.2 Gyr age Stellar age from evolutionary models 80- 83 F4.2 Gyr e_age Error of the stellar age 86- 87 A2 --- S1 Source of the stellar parameters and vsini, in refs.dat file 89- 90 A2 --- S2 Source of the stellar parameters and vsini, in refs.dat file 92- 93 A2 --- S3 Source of the stellar parameters and vsini, in refs.dat file 95 A1 --- Notes [abcd] Individual notes (3)
Note (1): vsini errors are set to 0.99 if those are not given in the source, or set in this work for any other reasons (e.g., overall vsini, from different sources are used). Note (2): logg and R* are calculated from the stellar mass and density as given in the Tables 1 and 3 of Maxted et al., 2015A&A...577A..90M, or taken from the references below if the data originate not from the publication cited. Note (3): Individual notes as follows: a = for 55 Cnc, vsini is the average of the values given in Lopez-Morales et al., 2014ApJ...792L..31L and Valenti & Fischer, 2005ApJS..159..141V b = for Qatar-2 we use the rotational period given in Dai et al., 2017AJ....153...40D instead of Maxted et al., 2015A&A...577A..90M c = for WASP-6, vsini is the average of those given in Gillon et al., 2009A&A...501..785G and Doyle et al., 2013MNRAS.428.3164D d = age for WASP-52 is read-off from Fig. 7 of Hebrard et al., 2013A&A...549A.134H
Byte-by-byte Description of file: table1-6.dat
Bytes Format Units Label Explanations
1- 8 I8 --- KIC Kepler Input Catalog number 11- 20 F10.6 deg RAdeg Right Ascension (J2000.0), from KIC 23- 32 F10.6 deg DEdeg Declination (J2000.0), from KIC 35- 40 F6.3 d Prot Rotational period 43- 47 F5.3 Rsun R* Stellar radius 50- 54 F5.3 [cm/s2] logg log_10 of the surface acceleration 58- 61 I4 K Teff Stellar effective temperature 63- 68 F6.1 km/s vsini Equatorial rotational velocity times sin(i) 73- 76 F4.1 km/s e_vsini Error of vsini 82- 83 A2 --- S1 Source of the stellar parameters and vsini, in refs.dat file 85- 86 A2 --- S2 Source of the stellar parameters and vsini, in refs.dat file 88- 89 A2 --- S3 Source of the stellar parameters and vsini, in refs.dat file
Byte-by-byte Description of file: refs.dat
Bytes Format Units Label Explanations
1- 2 A2 -- Ref Reference number 4- 22 A19 --- BibCode BibCode 24- 46 A23 --- Aut Author's name 48- 70 A23 --- Com Comments
Acknowledgements: Geza Kovacs, kovageza(at)gmail.com
(End) Patricia Vannier [CDS] 16-Mar-2018
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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