HAT-P-21 b (Exoplanet, Confirmed)

RA: 11h 25m 05.97s, DE: +41° 01' 40.40" (171.2748749900, 41.0278888882)

Data:
  • Brightness (Mag): 11.690
  • Transit depth (%): 0.8
  • Transit depth (Mag): 0.00865
  • Transit duration (m): 220.3
  • Planet radius (RJup): 1.024 +/- 0.092
  • Star radius (RSun): 1.105 +/- 0.083
  • Impact factor: 0.546 +/- 0.1
  • Created by: admin
  • Reference: 
    http://arxiv.org/abs/1008.3388
Show list of observations >>
Orbital elements:
  • Period (d): 4.124481
  • Epoch (JD): 2454996.41312
  • Semimajor axis (AU): 0.0494 +/- 0.0007
  • Inclination (°): 87.2 +/- 0.7
Chart
HAT-P-21
Source: The STScI Digitized Sky Survey
Number of transits

31 x

Number of observers

12 x

Last observed before

63 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 2454996.41312 + 4.124481 * 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