TOI-3831 (Transiting exoplanet)

RA: 09h 47m 16.90s, DE: +44° 38' 20.42" (146.8204161456, 44.6390045266)

Tic: TIC 393853275, TwoMass: 2MASS J09471689+4438201, Ucac4: UCAC4 674-053612, Toi: TOI-3831, Gaia: Gaia DR3 820204445615449600

4/6/2026, 19:54 - 4/6/2026, 23:14 (UTC)

Data:
  • Observer: Mark Salisbury
  • Created: 4/16/2026, 05:40 UTC
  • Updated by: Mark Salisbury
  • Updated: 4/16/2026, 05:40 UTC
  • Station: Private Observatory
    Lat: +51°, Long: +01°
  • Instrument: 400mm f6.8 ODK, ST10XME, J/C Filters
  • Photometric band: Clear
  • Time standard: GJD
  • Brightness in: Flux
Note:
240 second exposure unfiltered.  GPS time control, analysis and detrend in AIJ. Transit appears to occur later with a longer duration than the ETD ephemeris.
Determined transits
  • 2461137.406279 (4/6/2026, 21:45 UTC)
    Planet designation: TOI-3831 .01
    HJDmid: 2461137.408516 +/- 0.000979
    Heliocentric correction: 0.002237
    Transit depth (Mag): 0.010323 +/- 0.000623
    Transit duration (Min): 133.23 +/- 4.27
    Standard deviation (mmag): 1.36
    Data quality: 3 (good)
    Data density (data/min): 0.23
    Fitting algorithm: Original ETD  
    Note: 
    240 second exposure unfiltered.  GPS time control, analysis and detrend in AIJ. Transit appears to occur later with a longer duration than the ETD ephemeris.
No stellar radius information available. 0.851Rsun used, calculated in AIJ using Teff=5249 & ZAMS assumption. Impact factor 0.8 used.
Actions:
Light curve
Field identification - Star field chart
Chart - TOI-3831, JD 2461137.32918
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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