J/AJ/164/137 Untangling the Galaxy. IV. ∼100000 stars with TESS (Kounkel+, 2022)
Untangling the Galaxy.
IV. Empirical Constraints on Angular Momentum Evolution and Gyrochronology for
Young Stars in the Field.
Kounkel M., Stassun K.G., Bouma L.G., Covey K., Hillenbrand L.A.,
Lee Curtis J.
<Astron. J., 164, 137 (2022)>
=2022AJ....164..137K 2022AJ....164..137K
ADC_Keywords: Stars, variable; Photometry, VRI; Effective temperatures;
Stars, ages; Stars, masses; Stars, diameters
Keywords: Variable stars ; Stellar rotation ; Intrinsic variable stars ;
Pulsating variable stars ; Stellar populations
Abstract:
We present a catalog of ∼100000 periodic variable stars in Transiting
Exoplanet Survey Satellite (TESS) full-frame image data among members
of widely distributed moving groups identified with Gaia in the
previous papers in the series. By combining the periods from our
catalog attributable to rotation with previously derived rotation
periods for benchmark open clusters, we develop an empirical
gyrochronology relation of angular momentum evolution that is valid
for stars with ages 10-1000Myr. Excluding stars rotating faster than
2days, which we find are predominantly binaries, we achieve a typical
age precision of ∼0.2-0.3dex and improving at older ages. Importantly,
these empirical relations apply to not only FGK-type stars but also
M-type stars, due to the angular momentum distribution being much
smoother, simpler, continuous, and monotonic as compared to the
rotation period distribution. As a result, we are also able to begin
tracing in fine detail the nature of angular momentum loss in low-mass
stars as functions of mass and age. We characterize the stellar
variability amplitudes of the cool stars as functions of mass and age,
which may correlate with the starspot covering fractions. We also
identify pulsating variables among the hotter stars in the catalog,
including δScuti, γDor, and slowly pulsating B-type
variables. These data represent an important step forward in being
able to estimate precise ages of FGK- and M-type stars in the field,
starting as early as the pre-main-sequence phase of evolution.
Description:
We generate light curves from Trandsiting Exoplanet Survey Satellite
Full Frame Images (TESS/FFI) data for stars within500 pc and with
known ages from the Gaia-based Theia catalog (PaperII; Kounkel+, 2020,
J/AJ/160/279). Our resulting catalog of ∼100000 periodic variable
stars contains primary, and in some cases secondary, periods up to a
maximum of 12days.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 409 226003 Measured TESS periods
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See also:
I/345 : Gaia DR2 (Gaia Collaboration, 2018)
IV/38 : TESS Input Catalog - v8.0 (TIC-8) (Stassun+, 2019)
II/366 : ASAS-SN catalog of variable stars (Jayasinghe+, 2018-2020)
J/A+A/393/965 : Intrinsic frequencies slowly pulsating B stars (de Cat+, 2002)
J/ApJ/687/1264 : Age estimation for solar-type dwarfs (Mamajek+, 2008)
J/MNRAS/430/1433 : NGC 2264 members periods with CoRoT (Affer+, 2013)
J/A+A/560/A13 : Stellar rotation in h Per (Moraux+, 2013)
J/ApJ/776/67 : Rotational tracks (van Saders+, 2013)
J/AJ/147/82 : Monitoring of disk-bearing stars in NGC 2264 (Cody+, 2014)
J/ApJS/211/24 : Rotation periods of Kepler MS stars (McQuillan+, 2014)
J/ApJ/822/81 : PTF stellar rotation periods Pleiades members (Covey+, 2016)
J/ApJ/822/47 : K2 rotation periods for 65 Hyades members (Douglas+, 2016)
J/AJ/152/113 : Pleiades members with K2 light curves. I. Per (Rebull+, 2016)
J/AJ/152/114 : Pleiades members with K2 light curves. II. (Rebull+, 2016)
J/ApJ/842/83 : Praesepe members rotational per from K2 LCs (Douglas+, 2017)
J/ApJ/862/33 : Improved & expanded membership cat for NGC752 (Agueros+, 2018)
J/AJ/155/196 : Analysis K2 LCs for members of USco & ρOph (Rebull+, 2018)
J/MNRAS/474/2580 : Temporal evolution neutron-capture elements (Spina+, 2018)
J/AJ/156/275 : Rotational evolution young, binary M dwarfs (Stauffer+, 2018)
J/ApJ/879/49 : Rotation periods 171 Gaia members of NGC6811 (Curtis+, 2019)
J/AJ/158/77 : Candidates & members of Pisces-Eridanus stream (Curtis+, 2019)
J/ApJ/879/100 : K2 rotation periods Hyades & Praesepe members (Douglas+, 2019)
J/AJ/158/122 : Local structure & star formation history MW (Kounkel+, 2019)
J/AJ/157/196 : Close companions around young stars (Kounkel+, 2019)
J/ApJ/871/174 : Kepler rapid rotators and Ks-band excesses (Simonian+, 2019)
J/AJ/160/90 : Stellar parameters for 13196 Kepler dwarfs (Angus+, 2020)
J/A+A/640/A1 : Portrait Galactic disc (Cantat-Gaudin+, 2020)
J/ApJ/904/140 : Ruprecht 147 members & rot. data 5 other cl. (Curtis+, 2020)
J/A+A/641/A51 : NGC 2516 membership list (Fritzewski+, 2020)
J/AJ/160/279 : Untangling Galaxy. II. Structure within 3kpc (Kounkel+, 2020)
J/ApJ/893/67 : Smoothed amplitudes from Kepler, K2 & TESS phot (Morris, 2020)
J/A+A/635/A43 : Stellar rotation periods K2 Campaigns 0-18 (Reinhold+, 2020)
J/AJ/162/197 : Photometry, rotation & Li open cluster NCG2516 (Bouma+, 2021)
J/A+A/652/A60 : Rotation periods for NGC 3532 (Fritzewski+, 2021)
J/other/NatAs/5.707 : Dwarf stars asteroseismic rotation rates (Hall+, 2021)
J/ApJ/907/89 : Starspots's temperature & area 337 KIC stars (Herbst+, 2021)
J/AJ/161/189 : Cat of gyro-kinematic ages for ∼30000 Kepler stars (Lu+, 2021)
J/AJ/162/282 : Untangling Galaxy III Pre-main-sequence stars (Mcbride+, 2021)
J/ApJS/255/17 : Surface rotation & activity Kepler stars. II. (Santos+, 2021)
J/AJ/163/275 : Theia 456; a stellar stream in Milky Way disk (Andrews+, 2022)
J/MNRAS/513/374 : alpha Per delta Scuti significant freq. (Pamos Ortega+, 2022)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 19 I19 --- Gaia Gaia DR2 identifier
21- 30 I10 --- TIC TESS input catalog identifier
32- 41 F10.6 deg RAdeg [0/360] Right Ascension (J2000)
43- 52 F10.6 deg DEdeg [-90/90] Declination (J2000)
54- 55 I2 --- Sec [1/35] TESS sector
57- 60 I4 --- Theia [1/8296] Paper II group ID
62- 66 F5.3 [yr] logAge [6/10] log average stellar group age
68- 72 F5.3 [yr] e_logAge [0.03/0.5] Uncertainty in logA
74- 80 F7.4 mag BP-RP [-0.83/4.57]? Gaia DR2 Blue-Red bandpass
color (1)
82- 88 F7.4 mag Gmag [-8.29/13] Gaia DR2 magnitude (1)
90- 95 F6.3 mag Tmag [3.26/18.1] TESS magnitude
97-103 F7.1 K Teff [2729/31000]? TIC effective temperature
105-110 F6.1 K e_Teff [4/7000]? Uncertainty in Teff
112-116 F5.3 Msun Mass [0.12/3.21]? TIC stellar mass
118-122 F5.3 Msun e_Mass [0.02/1]? Uncertainty in Mass
124-130 F7.3 Rsun Rad [0.15/865]? TIC stellar radius
132-136 F5.3 Rsun e_Rad [0.005/3]? Uncertainty in Radius
138-146 F9.6 d CorrP1 [0.02/32.9]? Primary period in CORR
light curve
148-154 E7.1 d e_CorrP1 [5e-54/6e+33]? Uncertainty in CorrP1
156-164 F9.6 d CorrP2 [0.02/30.5]? Seconday period in CORR
light curve
167-173 E7.1 d e_CorrP2 [9e-11/400]? Uncertainty in CorrP2
175-181 F7.5 --- CorrA1 [0.01/2.65]? Primary amplitude in CORR
light curve
183-189 F7.5 --- CorrA2 [0.01/0.96]? Secondary amplitude in CORR
light curve
191-198 F8.5 d PCAP1 [0.02/33.4]? Primary period in PCA light
curve
200-206 E7.1 d e_PCAP1 [1e-07/2e+15]? Uncertainty in PCAP1
208-215 F8.5 d PCAP2 [0.02/34]? Secondary period in PCA light
curve
217-223 E7.1 d e_PCAP2 [3e-21/540]? Uncertainty in PCAP2
225-231 F7.5 --- PCAA1 [0.01/1.78]? Primary amplitude in PCA
light curve
233-239 F7.5 --- PCAA2 [0.01/0.94]? Secondary amplitude in PCA
light curve
241-248 F8.5 d RAWP1 [0.02/33.3]? Primary period in RAW light
curve
250-256 E7.1 d e_RAWP1 [1e-07/9e+18]? Uncertainty in RAWP1
258-265 F8.5 d RAWP2 [0.02/33.4]? Secondary period in RAW
light curve
267-273 E7.1 d e_RAWP2 [1e-08/820]? Uncertainty in RAWP2
275-283 F9.5 --- RAWA1 [0.01/14.1]? Primary amplitude in RAW
light curve
285-292 F8.5 --- RAWA2 [0.01/0.87]? Secondary amplitude in RAW
light curve
294-301 F8.5 d Per [0.02/18.9]? Adopted period from the
light curve
303-309 E7.1 d e_Per [1e-12/3]? Uncertainty in Period
311-314 A4 --- PType Adopted period source
316-321 F6.3 [kg.m2/s] logAM [40/45.5]? log calculated angular momentum
323-327 F5.3 [kg.m2/s] e_logAM [0.001/0.6]? Uncertaintyin logAM
329-334 F6.3 --- RUWE [0.47/52.4]? Gaia EDR3 renormalized unit
weight error
336-345 E10.3 --- sigmaVar [5e-05/0.33] Standard deviation of
normalized flux; full amplitude
347-356 E10.3 --- sigmaInst [-0.24/0.64] Typical reported uncertainty
in flux of normalized flux; instrumental
358-367 E10.3 --- sigmap2p [-14.5/24.9] The 68th percentila
point-point varibility of normalized
flux; measured scatter
369-373 F5.2 --- c1 [1/41.85] Flux contamination ratio
within 10"
375-380 F6.2 --- c2 [1/149] Flux contamination ratio within
20"
382-387 F6.2 --- c3 [1/337] Flux contamination ratio within
30"
389-394 F6.2 --- c4 [1/599] Flux contamination ratio within
40"
396-401 F6.2 --- c5 [1/903] Flux contamination ratio within
50"
403-409 F7.2 --- c6 [1/1265] Flux contamination ratio within
60"
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Note (1): Extinction corrected.
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History:
From electronic version of the journal
References:
Kounkel et al. Paper I : 2019AJ....158..122K 2019AJ....158..122K Cat. J/AJ/158/122
Kounkel et al. Paper II : 2020AJ....160..279K 2020AJ....160..279K Cat. J/AJ/160/279
McBride et al. Paper III : 2021AJ....162..282M 2021AJ....162..282M Cat. J/AJ/162/282
(End) Prepared by [AAS], Coralie Fix [CDS], 22-Nov-2022