HAT-P-4 (Transiting exoplanet)

RA: 15h 19m 57.92s, DE: +36° 13' 46.74" (229.9913348405, 36.2296494663)

4/11/2009, 20:57 - 4/12/2009, 03:30 (UTC)

Data:
  • Observer: Luboš Brát
  • Created: 4/14/2009, 16:24
  • Station: ALTAN.Observatory
  • Instrument: RL200, f/6 + ST8, guider RF80/600+G1-0300
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
pouze první polovina tranzitu, složeno s pozorováním egressu před 4 cykly
Determined transits
  • 2454933.52803 (4/12/2009, 00:40)
    Tresca ID: 1239511230
    Planet designation: HAT-P-4 b
    HJDmid: 2454933.53154 +/- 0.00136
    Heliocentric correction: 0.00351
    Transit depth (Mag): 0.01020 +/- 0.00060
    Transit duration (Min): 258.50 +/- 4.70
    Standard deviation (mmag): 2.2
    Data quality index: 3
    Data density (data/min): 0.24
    Fitting algorithm: Original ETD
    Note: 
    180s exposure with autoguiding, only a first half of transit captured, superposited with observation from 30th March 2009 (4 cycles ago), where egress was captured. Per = 3.056536d was used for superpositing. No vertical shifts were applied to the data.
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - HAT-P-4, JD 2454933.37300
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