HAT-P-9 (Transiting exoplanet)

RA: 07h 20m 40.45s, DE: +37° 08' 26.40" (110.1685416617, 37.1406666663)

3/2/2026, 18:44 - 3/2/2026, 23:08 (UTC)

Data:
  • Observer: Mark Salisbury
  • Created: 4/4/2026, 12:53
  • Station: Private Observatory
    Lat: +51°, Long: +01°
  • Instrument: 400mm f6.8 ODK, ST10XME, J/C Filters
  • Photometric band: Clear
  • Time standard: Gjd
  • Brightness in: Flux
Note:
240 second exposure unfiltered.  GPS time control, analysis in AIJ. Clouds passing by for most of session. Clouds increased from around mid transit. Near full moon.
Determined transits
  • 2461102.37637 (3/2/2026, 21:01)
    Planet designation: HAT-P-9 b
    HJDmid: 2461102.37948 +/- 0.00051
    Heliocentric correction: 0.00311
    Transit depth (Mag): 0.01446 +/- 0.00034
    Transit duration (Min): 202.69 +/- 1.66
    Standard deviation (mmag): 0.82
    Data quality index: 1
    Data density (data/min): 0.23
    Fitting algorithm: Original ETD  
    Note: 
    240 second exposure unfiltered.  GPS time control, analysis in AIJ. Clouds passing by for most of session. Clouds increased from around mid transit. Near full moon.
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - HAT-P-9, JD 2461102.28122
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