WASP-21 (Transiting exoplanet)

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

12/5/2025, 09:11 - 12/5/2025, 14:28 (UTC)

Data:
  • Observer: SOUCHIRO HARAGUCHI
  • Created: 12/10/2025, 05:18
  • Updated: 12/10/2025, 05:26
  • Station: Tokyo City University
    Lat: +36°, Long: +140°
  • Instrument: Telescope Model ： Vixen VC200L , Camera Model ： ZWO ASI 1600MM-PRO , Filter ： ZWO EFW 7×36(DARK,U,B,V,R,I,CH4)
  • Photometric band: R
  • Time standard: Gjd
  • Brightness in: Flux
Note:
EXP. 180s  | Moon illumination: 99.4%, Moon distance: 83.2°| Max counts increase during observation: R:0% V:0%
Determined transits
  • 2461014.99350 (12/5/2025, 11:50)
    Planet designation: WASP-21 b
    HJDmid: 2461014.99464 +/- 0.00196
    Heliocentric correction: 0.00114
    Transit depth (Mag): 0.01149 +/- 0.00114
    Transit duration (Min): 194.43 +/- 6.32
    Standard deviation (mmag): 3.18
    Data quality index: 4
    Data density (data/min): 0.21
    Fitting algorithm: Original ETD
    Note: 
    WASP-21b
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - WASP-21, JD 2461014.88294
Comments