WASP-21 b (Exoplanet, Confirmed)

RA: 23h 09m 58.23s, DE: +18° 23' 46.00" (347.4926250000, 18.3961111108)

Data:
  • Brightness (Mag): 11.600
  • Transit depth (%): 1.2
  • Transit depth (Mag): 0.01295
  • Transit duration (m): 201.6
  • Planet radius (RJup): 1.07 +/- 0.05
  • Star radius (RSun): 1.06 +/- 0.04
  • Impact factor: 0.23 +/- 0.13
  • Created by: admin
  • Reference: 
    http://www.superwasp.org/documents/bouchy2010_wasp21.pdf
EDIT 2011-06-13: New period was set to 4.322541d. Old period (4.322482d) caused increasing linear trend in O-C. (Brát)
ephemerides: Kokori et al. 2021
Show list of observations >>
Orbital elements:
  • Period (d): 4.3225038
  • Epoch (JD): 2457660.73516
  • Semimajor axis (AU): 0.052 +/- 0.00042
  • Inclination (°): 88.75 +/- 0.08
Chart
WASP-21
Source: The STScI Digitized Sky Survey
Number of transits

37 x

Number of observers

8 x

Last observed before

2 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 2457660.73516 + 4.3225038 * 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