HAT-P-8 b (Exoplanet, Confirmed)

RA: 22h 52m 09.85s, DE: +35° 26' 49.50" (343.0410416567, 35.4470833330)

Data:
  • Brightness (Mag): 10.170
  • Transit depth (%): 0.65
  • Transit depth (Mag): 0.00703
  • Transit duration (m): 216
  • Planet radius (RJup): 1.5 +/- 0.08
  • Star radius (RSun): 1.58 +/- 0.08
  • Created by: admin
  • Reference: 
    http://www.exoplanet.eu/planet.php?p1=HAT-P-8&p2=b
EDIT 2011-06-13: New period 3.076339d derived using latest ETD observations. Old period 3.07632d caused increasing linear trend in O-C. (Brát)
ephemerides: Kokori et al. 2021
Show list of observations >>
Orbital elements:
  • Period (d): 3.0763433
  • Epoch (JD): 2455945.0839
  • Semimajor axis (AU): 0.0487 +/- 0.0026
  • Inclination (°): 87.5 +/- 1.9
Chart
HAT-P-8
Source: The STScI Digitized Sky Survey
Number of transits

54 x

Number of observers

17 x

Last observed before

1 days

Transit-timing variations (TTV diagram)
Times of mid-transit
M = 2455945.0839 + 3.0763433 * 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