HAT-P-4 (Transiting exoplanet)

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

4/16/2026, 19:20 - 4/17/2026, 02:10 (UTC)

Data:
  • Observer: Philippe LANGLET
  • Created: 4/25/2026, 15:52
  • Instrument: Célestron 8, ASI294MM PRO, Filtre Luminance
  • Photometric band: Luminance
  • Time standard: Gjd
  • Brightness in: Mag
Determined transits
  • 2461147.43407 (4/16/2026, 22:25)
    Planet designation: HAT-P-4 b
    HJDmid: 2461147.43762 +/- 0.00116
    Heliocentric correction: 0.00355
    Transit depth (Mag): 0.00991 +/- 0.00047
    Transit duration (Min): 242.20 +/- 3.67
    Standard deviation (mmag): 3.08
    Data quality index: 3
    Data density (data/min): 0.86
    Fitting algorithm: Original ETD  
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - HAT-P-4, JD 2461147.30573
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