KELT-9

RA: 20h 31m 26.35s, DE: +39° 56' 19.77" (307.8597916567, 39.9388249997)

7/18/2025, 9:57 PM - 7/19/2025, 3:03 AM (UTC)

Data:

  • Observer: Giovanni Calapai
  • Created: 7/19/2025 3:20:08 PM
  • Station: Calapai Astronomical Observatory
    Lat: +38°, Long: +16°
  • Instrument: Celestron SCT 280/2800 Atik 314L+ red. 0,63x
  • Photometric band: IR
  • Time standard: Gjd
  • Brightness in: Mag
Determined transits
  • 2460875.50159 (7/19/2025, 00:02)
    Planet designation: KELT-9 b
    HJDmid: 2460875.50440 +/- 0.00109
    Heliocentric correction: 0.00281
    Transit depth (Mag): 0.00760 +/- 0.00099
    Transit duration (Min): 233.50 +/- 3.23
    Standard deviation (mmag): 1.66
    Data quality index: 3
    Data density (data/min): 0.64
    Fitting algorithm: Original ETD
    Note:
    Adopted limb darkening: 0.5 | EXP. 90s | binning 1+1 | strong defocus | weather: clear, moisture | bortle 5, encircling light pollution | Photometric aperture radii: 26-50-60 | Baader IR Pass filter 685 nm
Actions:

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