HAT-P-4 (Transiting exoplanet)

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

3/30/2009, 20:50 - 3/30/2009, 22:04 (UTC)

Data:
  • Observer: Luboš Brát
  • Created: 3/31/2009, 15:04
  • Station: ALTAN.Observatory
    Lat: +50°, Long: +15°
  • Instrument: RL200, f/6 + ST8, guider RF80/600+G1-0300
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Mag
Note:
GENERATED FROM TRANSIT id=33
Determined transits
  • 2454921.30290 (3/30/2009, 19:16)
    Tresca ID: 1238497455
    Planet designation: HAT-P-4 b
    HJDmid: 2454921.30620 +/- 0.00272
    Heliocentric correction: 0.00330
    Transit depth (Mag): 0.01210 +/- 0.00420
    Transit duration (Min): 253.40 +/- 0.00
    Standard deviation (mmag): 2.4
    Data quality index: 3
    Data density (data/min): 0.3
    Fitting algorithm: Original ETD
    Note: 
    180s exposure with autoguiding, only egress captured, lenght 253 minutes adopted to find out midtransit time
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - HAT-P-4, JD 2454921.36834
Comments