HAT-P-4 b (Exoplanet, Candidate)

RA: 15h 19m 57.92s, DE: +36° 13' 46.74" (229.9913348405, 36.2296494663)

2MASS J15195792+3613467 b, GSC 02569-01599 b, TIC 138294130 b, TOI-2012 b, Gaia DR3 1291120362349158016 b, TYC 2569-1599-1 b

Data:
  • Brightness (Mag): 11.210 (V)
  • Transit depth (%): 0.73
  • Transit depth (Mag): 0.0079
  • Transit duration (m): 253
  • Planet radius (RJup): 1.27 +/- 0.05
  • Star radius (RSun): 1.59 +/- 0.07
  • Impact factor: 0.01
  • Created by: admin
  • Reference: 
    http://www.exoplanet.eu/planet.php?p1=HAT-P-4&p2=b
ephemerides: Kokori et al. 2021
Show list of observations >>
Orbital elements:
  • Period (d): 3.0565233
  • Epoch (HJD): 2454740.97205
  • Semimajor axis (AU): 0.0446 +/- 0.0012
  • Inclination (°): 88 +/- 2
Chart
HAT-P-4
Source: The STScI Digitized Sky Survey
Number of transits

55 x

Number of observers

12 x

Last observed before

26 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 2454740.97205 + 3.0565233 * 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