WD 1856+534 (Transiting exoplanet)

RA: 18h 57m 39.34s, DE: +53° 30' 33.30" (284.4139319597, 53.5092502891)

Gaia: Gaia DR3 2146576589564898688, Tic: TIC 267574918, Toi: TOI-1690, TwoMass: 2MASS J18573936+5330332, UsnoB: USNO-B1.0 1435-00280850, Other: LDS 4802C, Other: LP 141-14, Other: LSPM J1857+5330, Other: NLTT 47263, Other: PM J18576+5330, Other: TOI 1690, Other: WD 1856+534, Other: WD J185739.34+533033.30, Other: WDS J18576+5331C

8/11/2026, 20:48 - 8/11/2026, 21:33 (UTC)

Data:

  • Observer: BERTRAND Etienne
  • Created: 8/12/2026, 06:44 UTC
  • Updated by: Jan Hykel
  • Updated: 8/12/2026, 12:19 UTC
  • Station: Vaux sur Mer
    Lat: +46°, Long: -01°
  • Instrument: C11 - F/6.3 - Atik314L+
  • Photometric band: Clear
  • Time standard: GJD
  • Brightness in: Mag
  • Magnitude type: Relative (V−C)
Determined transits
  • 2461264.385438 (8/11/2026, 21:15 UTC)
    Planet designation: WD 1856+534 b
    HJDmid: 2461264.386894 +/- 0.000134
    Heliocentric correction: 0.001456
    Transit depth (Mag): 0.799958 +/- 0.088323
    Transit duration (Min): 9.13 +/- 0.85
    Standard deviation (mmag): 55.27
    Data quality: 1 (excellent)
    Data density (data/min): 0.69
    Fitting algorithm: Original ETD  
    Created by: Jan Hykel (8/12/2026, 12:26 UTC)
Actions:

Light curve
Field identification - Star field chart
Field identification - Explicitly named stars

No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.

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