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J/ApJ/696/1950         Sloan iz light curves of HAT-P-10          (Bakos+, 2009)

HAT-P-10b: a light and moderately hot Jupiter transiting a K dwarf. Bakos G.A., Pal A., Torres G., Sipocz B., Latham D.W., Noyes R.W., Kovacs G., Hartman J., Esquerdo G.A., Fischer D.A., Johnson J.A., Marcy G.W., Butler R.P., Howard A.W., Sasselov D.D., Kovacs G., Stefanik R.P., Lazar J., Papp I., Sari P. <Astrophys. J., 696, 1950-1955 (2009)> =2009ApJ...696.1950B
ADC_Keywords: Stars, K-type ; Stars, double and multiple ; Planets ; Photometry Keywords: planetary systems - stars: individual (HAT-P-10, GSC 02340-01714) - techniques: photometric - techniques: spectroscopic Abstract: We report on the discovery of HAT-P-10b, one of the lowest mass (0.487±0.018MJ) transiting extrasolar planets (TEPs) discovered to date by transit searches. HAT-P-10b orbits the moderately bright V=11.89 K dwarf GSC 02340-01714, with a period P=3.7224747±0.0000065d, transit epoch Tc=2454759.68683±0.00016(BJD), and duration 0.1090±0.0008d. HAT-P-10b has a radius of 1.005+0.032-0.027RJ yielding a mean density of 0.594±0.052g/cm3. Comparing these observations with recent theoretical models we find that HAT-P-10b is consistent with a ∼4.5Gyr, almost pure hydrogen and helium gas giant planet with a 10M{earth} core. With an equilibrium temperature of Teq=1020±17K, HAT-P-10b is one of the coldest TEPs. Curiously, its Safronov number Θ=0.053±0.002 falls close to the dividing line between the two suggested TEP populations. Description: The transits of HAT-P-10b were detected with one of the HATNet telescopes, HAT-10, located at FLWO. The region around GSC 02340-01714, a field internally labeled as G213, was observed on a nightly basis between 2005 October 3 and 2006 March 14, whenever weather conditions permitted. We gathered 2870 exposures of 5 minutes at a 5.5 minute cadence. We observed two complete transit events of HAT-P-10 on the night of 2008 September 19/20 MST and October 30/31 MST with the KeplerCam CCD on the FLWO 1.2m telescope. Objects: --------------------------------------------------- RA (2000) DE Designation(s) --------------------------------------------------- 03 09 28.5 +30 40 25 GSC 02340-01714 = HAT-P-10 --------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 40 630 Photometry follow-up of HAT-P-10
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 13 F13.5 d BJD Baricentric Julian Date 15- 22 F8.5 mag mag Observed relative magnitude in Filt (1) 24- 30 F7.5 mag e_mag Error in mag 32- 38 F7.5 mag Orimag Original observed magnitude in Filt 40 A1 --- Filt Filter used (i or z) (2)
Note (1): The out-of-transit level has been subtracted. These magnitudes have been subjected to reconstructive External Parameter Decorrelation (EPD; see Bakos et al. 2007ApJ...671L.173B) procedure, carried out simultaneously with the transit fit. Note (2): Filter as follows: z = SDSS z band filter taken on Sept. 19, 2008. i = SDSS i band filter taken on Oct. 30, 2008.
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Emmanuelle Perret [CDS] 11-May-2011
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