HAT-P-4 (Transiting exoplanet)

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

4/11/2009, 21:13 - 4/12/2009, 03:24 (UTC)

Data:

  • Observer: Trnka J.
  • Created: 4/12/2009, 10:45
  • Station: Městská hvězdárna ve Slaném
  • Instrument: Newton 200/1000 CCD ST-9E
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
transiting exoplanet, exposure 50 seconds, no autoguiding, clear filter, TminHJD = 2454933.52865 +/- 0.00114
Determined transits
  • 2454933.52514 (4/12/2009, 00:36)
    Tresca ID: 1239518555
    Planet designation: HAT-P-4 b
    HJDmid: 2454933.52865 +/- 0.00114
    Heliocentric correction: 0.00351
    Transit depth (Mag): 0.01900 +/- 0.00200
    Transit duration (Min): 259.40 +/- 3.60
    Standard deviation (mmag): 4.7
    Data quality index: 3
    Data density (data/min): 0.86
    Fitting algorithm: Original ETD
    Note:
    50s exposure, no autoguiding
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments