TOI-2040 b (Exoplanet, Confirmed)

RA: 23h 29m 05.79s, DE: +71° 30' 22.91" (352.2741249950, 71.5063638889)

Data:
  • Brightness (Mag): 11.490 (V)
  • Transit depth (%): 1.1569
  • Transit depth (Mag): 0.01249
  • Transit duration (m): 159.42
  • Planet radius (RJup): 0.921 +/- 0.023
  • Star radius (RSun): 0.87 +/- 0.02
  • Impact factor: 0.298 +/- 0.108
  • Created by: admin
  • Reference: 
    https://exoplanetarchive.ipac.caltech.edu/overview/TOI-2040%20b
https://ui.adsabs.harvard.edu/abs/2026AJ....172...54G/abstract
Show list of observations >>
Orbital elements:
  • Period (d): 3.8608576 +/- 4.5E-06
  • Epoch (HJD): 2459740.36547 +/- 0.00016
  • Semimajor axis (AU): 0.0473 +/- 0.0015
  • Inclination (°): 88.48 +/- 0.54
Change log:

8/2/2026, Jan Hykel:

  • Epoch error: Null → 0.00016
  • Epoch: 2458767.43 → 2459740.36547
  • Period error: Null → 0.0000045
  • Period: 3.8608551 → 3.8608576
  • Reference: Günther Wuchterl 2021 (PLATO) → https://exoplanetarchive.ipac.caltech.edu/overview/TOI-2040%20b https://ui.adsabs.harvard.edu/abs/2026AJ....172...54G/abstract
  • Impact factor error: 0 → 0.108
  • Impact factor: 0 → 0.298
  • Star radius error: 0 → 0.02
  • Star radius: 0.92306 → 0.87
  • Planet radius error: 0 → 0.023
  • Planet radius: 1.0012 → 0.921
  • Semimajor axis error: 0 → 0.0015
  • Semimajor axis: 0 → 0.0473
  • Inclination error: 0 → 0.54
  • Inclination: 0 → 88.48
  • Transit duration: 158 → 159.42
  • Transit depth: 1.42 → 1.1569
  • Status: Candidate → Confirmed

11/10/2025, Filip Walter:

  • Period: 3.86085 → 3.8608551

Chart
TOI-2040
Source: The STScI Digitized Sky Survey, FoV: 15 x 15 arcmin
Number of transits

16 x

Number of observers

8 x

Last observed before

22 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 2459740.36547 + 3.8608576 * E
ID HJDmid UTCmid Epoch O-C (d) Duration (min) Depth (mmag) Phot. band DQ Light curve Observer & Reference Note
Transit depth variations
Transit duration variations
Comments

Timeline