J/ApJ/664/1185 Three transits of the exoplanet TrES-2 (Holman+, 2007)
The transit light curve (TLC) project.
VI. Three transits of the exoplanet TrES-2.
Holman M.J., Winn J.N., Latham D.W., O'Donovan F.T., Charbonneau D.,
Torres G., Sozzetti A., Fernandez J., Everett M.E.
<Astrophys. J., 664, 1185-1189 (2007)>
=2007ApJ...664.1185H 2007ApJ...664.1185H
ADC_Keywords: Stars, variable; Planets; Photometry
Keywords: planetary systems - stars: individual (GSC 03549-02811) -
techniques: photometric
Abstract:
Of the nearby transiting exoplanets that are amenable to detailed
study, TrES-2 is both the most massive and the one with the largest
impact parameter. We present z-band photometry of three transits of
TrES-2. We improve on the estimates of the planetary, stellar, and
orbital parameters, in conjunction with the spectroscopic analysis of
the host star by Sozzetti and coworkers. We find the planetary radius
to be Rp=1.222±0.038RJup and the stellar radius to be
R*=1.003±0.027R☉. The quoted uncertainties include the
systematic error due to the uncertainty in the stellar mass
(M*=0.980±0.062 M☉) The timings of the transits have an
accuracy of 25s and are consistent with a uniform period, thus
providing a baseline for future observations with the NASA Kepler
satellite, whose field of view will include TrES-2.
Description:
We observed four transits of TrES-2. According to the ephemeris
provided by O'Donovan et al. (2006ApJ...651L..61O 2006ApJ...651L..61O),
Tc(E)=2453957.6358(HJD)+E(2.47063days).
These transits correspond to epochs 13, 15, 32, and 34 on UT 2006
September 11, September 16, October 28, and November 2, respectively.
Observations of a fifth transit, epoch 17, were scheduled but were not
executed due to poor weather. We observed these transits with
KeplerCam on the 1.2m (48 inch) telescope of the Fred L. Whipple
Observatory (FLWO) on Mt. Hopkins, Arizona.
Objects:
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RA (2000) DE Designation(s)
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19 07 14.0 +49 18 59 TrES-2 = NAME TrES-2b
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 27 1033 Relative Photometry of TrES-2
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See also:
J/ApJ/652/1715 : Four transits of the exoplanet XO-1b (Holman+, 2006)
J/AJ/133/11 : Photometry of OGLE-TR 111 (Winn+, 2007)
J/ApJ/657/1098 : Transit of TrES-1 (Winn+, 2007)
J/AJ/133/1828 : Transit light curves of HD 189733 (Winn+, 2007)
J/AJ/134/1707 : Six transit of exoplanet HAT-P-1b (Winn+, 2007)
J/AJ/136/267 : Six occultations of the exoplanet TrES-3 (Winn+, 2008)
J/ApJ/683/1076 : Transits of exoplanet XO-3b (Winn+, 2008)
J/ApJ/693/794 : Transit of exoplanet HD 17156b (Winn+, 2009)
J/AJ/137/3826 : Two transits of the giant planet WASP-4b (Winn+, 2009)
J/AJ/137/4911 : Six transits of the exoplanet XO-2b (Fernandez+, 2009)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 13 F13.5 --- HJD Heliocentric Julian Date (1)
15- 20 F6.4 --- Rflux Relative flux
22- 27 F6.4 --- e_Rflux Uncertainty in Rflux (2)
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Note (1): At the time of mid-exposure.
Note (2): Based on the procedures described in Section 2.
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History:
From electronic version of the journal
References:
Holman et al., Paper I 2006ApJ...652.1715H 2006ApJ...652.1715H, Cat. J/ApJ/652/1715
Winn et al., Paper II 2007AJ....133...11W 2007AJ....133...11W, Cat. J/AJ/133/11
Holman et al., Paper III 2007ApJ...655.1103H 2007ApJ...655.1103H, Cat. J/ApJ/657/1098
Winn et al., Paper IV 2007ApJ...657.1098W 2007ApJ...657.1098W, Cat. J/ApJ/657/1098
Winn et al., Paper V 2007AJ....133.1828W 2007AJ....133.1828W, Cat. J/AJ/133/1828
Winn et al., Paper VII 2007AJ....134.1707W 2007AJ....134.1707W, Cat. J/AJ/134/1707
Winn et al., Paper VIII 2008AJ....136..267W 2008AJ....136..267W, Cat. J/AJ/136/267
Winn et al., Paper IX 2008ApJ...683.1076W 2008ApJ...683.1076W, Cat. J/ApJ/683/1076
Winn et al., Paper X 2009ApJ...693..794W 2009ApJ...693..794W, Cat. J/ApJ/693/794
Winn et al., Paper XI 2009AJ....137.3826W 2009AJ....137.3826W, Cat. J/AJ/137/3826
Fernadez et al., Paper XII 2009AJ....137.4911F 2009AJ....137.4911F, Cat. J/AJ/137/4911
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 23-Jun-2009