HAT-P-3 (Transiting exoplanet)

RA: 13h 44m 23.00s, DE: +48° 01' 43.00" (206.0958333283, 48.0286111104)

3/8/2026, 23:01 - 3/9/2026, 02:31 (UTC)

Data:
  • Observer: Giovanni Calapai
  • Created: 3/10/2026, 17:12
  • Updated: 3/10/2026, 17:14
  • Station: Calapai Astronomical Observatory
    Lat: +38°, Long: +16°
  • Instrument: Celestron SCT 280/2800 Atik 314L+ red. 0,63x
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Mag
Determined transits
  • 2461108.53460 (3/9/2026, 00:49)
    Planet designation: HAT-P-3 b
    HJDmid: 2461108.53800 +/- 0.00076
    Heliocentric correction: 0.00340
    Transit depth (Mag): 0.01421 +/- 0.00071
    Transit duration (Min): 122.03 +/- 2.61
    Standard deviation (mmag): 2.89
    Data quality index: 3
    Data density (data/min): 0.65
    Fitting algorithm: Original ETD  
    Note: 
    Adopted limb darkening: 0.5 | EXP. 90s | binning 1+1 | slight defocus | FWHM 6.5 px (5.2 arc-sec/pixel) |  weather: clear, moisture, occasional wind | bortle 5, encircling light pollution | Photometric aperture radii: 16-34-42 | Astronomik R filter
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - HAT-P-3, JD 2461108.45924
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