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J/ApJ/652/1715      Four transits of the exoplanet XO-1b     (Holman+, 2006)
The transit light curve project.
I. Four consecutive transits of the exoplanet XO-1b.
    Holman M.J., Winn J.N., Latham D.W., O'Donovan F.T., Charbonneau D.,
    Bakos G.A., Esquerdo G.A., Hergenrother C., Everett M.E., Pal A.
   <Astrophys. J., 652, 1715-1723 (2006)>
   =2006ApJ...652.1715H
ADC_Keywords: Stars, variable; Planets; Photometry

Keywords: planetary systems - stars: individual (GSC 02041-01657) -
          techniques: photometric

Abstract:
    We present RIz photometry of four consecutive transits of the newly
    discovered exoplanet XO-1b. We improve on the estimates of the transit
    parameters, finding the planetary radius to be
    RP=1.1840.0280.018RJ, and the stellar radius to be
    R*=0.928+0.0180.013R☉, assuming a stellar mass of
    M*=(1.00±0.03)M☉.

Description:
    We observed four consecutive transits of XO-1b. According to the
    ephemeris Tc(E)=2453808.9170(HJD)+E(3.941534days), these transits
    correspond to epochs 17-20. We employed three different telescopes:
    the Fred L. Whipple Observatory (FLWO) 1.2m telescope (for E=19,20),
    the Palomar 1.5m telescope (for E=17), and the TopHAT 0.26m
    telescope (for E=17,18,19).
Objects:
    -------------------------------------------------
       RA   (2000)   DE      Designation(s)
    -------------------------------------------------
    16 02 11.8   +28 10 10   XO-1 = TYC 2041-1657-1
    -------------------------------------------------

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1.dat        41     1309   Photometry of XO-1


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/ApJ/655/1103 : Five transits of the exoplanet OGLE-TR-10b (Holman+, 2007)
    J/AJ/133/1828  : Transit light curves of HD 189733 (Winn+, 2007)
    J/ApJ/664/1185 : Three transits of the exoplanet TrES-2 (Holman+, 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

   Bytes Format Units   Label     Explanations

   1-  9  A9    ---     Tel       Telescope (FLWO48, Palomar60 or TopHAT)
      11  A1    ---     Filt      [IRz] Filter
  13- 25  F13.5 d       HJD       Heliocentric Julian Date (1)
  27- 33  F7.5  ---     Rflux     Relative flux
  35- 41  F7.5  ---     e_Rflux   Uncertainty in Rflux (2)

Note (1): The time stamps represent the Heliocentric Julian Date at the
     time of mid-exposure.
Note (2): The uncertainty estimates are based on the procedures described
     in section 2.


History:
    From electronic version of the journal

References:
  Holman et al.,    Paper I      2006ApJ...652.1715H, Cat. J/ApJ/652/1715
  Winn et al.,      Paper II     2007AJ....133...11W, Cat. J/AJ/133/11
  Winn et al.,      Paper III    2007ApJ...657.1098W, Cat. J/ApJ/657/1098
  Holman et al.,    Paper IV     2007ApJ...655.1103H, Cat. J/ApJ/655/1103
  Winn et al.,      Paper V      2007AJ....133.1828W, Cat. J/AJ/133/1828
  Holman et al.     Paper VI     2007ApJ...664.1185H, Cat. J/ApJ/664/1185
  Winn et al.,      Paper VII    2007AJ....134.1707W, Cat. J/AJ/134/1707
  Winn et al.,      Paper VIII   2008AJ....136..267W, Cat. J/AJ/136/267
  Winn et al.,      Paper IX     2008ApJ...683.1076W, Cat. J/ApJ/683/1076
  Winn et al.,      Paper X      2009ApJ...693..794W, Cat. J/ApJ/693/794
  Winn et al.,      Paper XI     2009AJ....137.3826W, Cat. J/AJ/137/3826
  Fernandez et al., Paper XII    2009AJ....137.4911F, Cat. J/AJ/137/4911
(End)                  Greg Schwarz [AAS], Patricia Vannier [CDS]    08-Aug-2009