K2-31 (Transiting exoplanet)

RA: 16h 21m 45.78s, DE: -23° 32' 52.29" (245.4407416667, -23.5478580552)

6/8/2026, 21:53 - 6/9/2026, 00:32 (UTC)

Data:
  • Observer: Giovanni Calapai
  • Created: 6/9/2026, 16:25
  • Updated: 6/9/2026, 16:57
  • Station: Calapai Astronomical Observatory
    Lat: +38°, Long: +16°
  • Instrument: Celestron C14 (SCT 356/3910) Atik 314L+ red. 0,7x
  • Photometric band: IR
  • Time standard: Gjd
  • Brightness in: Mag
Determined transits
  • 2461200.46185 (6/8/2026, 23:05)
    Planet designation: K2-31 b
    HJDmid: 2461200.46761 +/- 0.00330
    Heliocentric correction: 0.00576
    Transit depth (Mag): 0.00676 +/- 0.00167
    Transit duration (Min): 77.11 +/- 17.20
    Standard deviation (mmag): 4.8
    Data quality index: 5
    Data density (data/min): 0.66
    Fitting algorithm: Original ETD  
    Note: 
    Adopted limb darkening: 0.5  RStar=0.78   Impact factor=0.95 | EXP. 90s | binning 1+1| slight defocus | FWHM 7.0 px (3.74 arc-sec/pixel) | weather: clear, moisture | bortle 5, encircling light pollution | Photometric aperture radii: 18-42-54 |  Baader IR-Pass filter 685 nm
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - K2-31, JD 2461200.41193
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