Qatar-4 b (Exoplanet, Confirmed)

RA: 00h 19m 26.22s, DE: +44° 01' 39.40" (4.8592499900, 44.0276111104)

Data:
  • Brightness (Mag): 13.600
  • Transit depth (%): 1.9
  • Transit depth (Mag): 0.02044
  • Transit duration (m): 128.4
  • Planet radius (RJup): 1.135 +/- 0.11
  • Star radius (RSun): 0.849 +/- 0.063
  • Impact factor: 0.31 +/- 0.19
  • Created by: admin
  • Reference: 
    Alsubai et al. 2017
ephemerides: Kokori et al. 2021
Show list of observations >>
Orbital elements:
  • Period (d): 1.8053646
  • Epoch (JD): 2458767.93317
  • Semimajor axis (AU): 0.02803 +/- 0.00048
  • Inclination (°): 87.5 +/- 1.6
Chart
Qatar-4
Source: The STScI Digitized Sky Survey
Number of transits

143 x

Number of observers

26 x

Last observed before

0 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 2458767.93317 + 1.8053646 * 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
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Timeline