TOI-3939 (Transiting exoplanet)

RA: 23h 46m 49.98s, DE: +66° 51' 38.98" (356.7082438171, 66.8608277890)

12/27/2025, 20:31 - 12/28/2025, 00:30 (UTC)

Data:

  • Observer: Niels Hempel
  • Created: 12/31/2025, 11:00
  • Station: Westhavelland BP5
    Lat: +52°, Long: +12°
  • Instrument: Red-Dwarf II (10" f/4); CMOS: ASI2600MM; Filter: Baader 495 Longpass (V to IR)
  • Photometric band: V to IR
  • Time standard: Gjd
  • Brightness in: Flux
Note:
Exposure time of 240 s is achieved by combining two exposures of 120 s each
Determined transits
  • 2461037.42885 (12/27/2025, 22:17)
    Planet designation: TOI-3939 .01
    HJDmid: 2461037.43055 +/- 0.00109
    Heliocentric correction: 0.00170
    Transit depth (Mag): 0.02867 +/- 0.00201
    Transit duration (Min): 120.78 +/- 3.82
    Standard deviation (mmag): 5.45
    Data quality: 3 (good)
    Data density (data/min): 0.25
    Fitting algorithm: Original ETD  
    Note:
    Exposure time of 240 s is achieved by combining two exposures of 120 s each
Actions:

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