GJ 436 (Transiting exoplanet)

RA: 11h 42m 11.09s, DE: +26° 42' 23.65" (175.5462222296, 26.7065696619)

2/27/2026, 19:57 - 2/27/2026, 23:08 (UTC)

Data:
  • Observer: Nikola Antonov
  • Created: 2/28/2026, 10:03
  • Station: Meshtitsa, Pernik, Bulgaria
    Lat: +42°, Long: +23°
  • Instrument: 250 mm F/4.8 Newtonian, CMOS ASI533MM Pro, Bessel BVR Filters
  • Photometric band: R
  • Time standard: BjdTbd
  • Brightness in: Flux
Note:
Meshtitsa 0.25-m f/4.8 Newtonian (R filter, 60s exp, fap 8-14-28)
2x2 bin; 1.28 arcsecs/pix; T CCD -20C; T Amb. -0C; H 74%; Moon 85%
Determined transits
  • 2461099.38855 (2/27/2026, 21:19)
    Planet designation: GJ 436 b
    HJDmid: 2461099.39380 +/- 0.00098
    Heliocentric correction: 0.00526
    Transit depth (Mag): 0.00785 +/- 0.00077
    Transit duration (Min): 56.47 +/- 4.00
    Standard deviation (mmag): 3.56
    Data quality index: 4
    Data density (data/min): 1.18
    Fitting algorithm: Original ETD  
    Note: 
    Meshtitsa 0.25-m f/4.8 Newtonian (R filter, 60s exp, fap 8-14-28)
2x2 bin; 1.28 arcsecs/pix; T CCD -20C; T Amb. -0C; H 74%; Moon 85%
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - GJ 436, JD 2461099.33151
Comments