HD189733 (Intrinsic variable)

RA: 20h 00m 43.70s, DE: +22° 42' 39.00" (300.1820833333, 22.7108333333)

Other: V0452 Vul

7/20/2019, 23:16 - 7/21/2019, 02:06 (UTC)

Data:
  • Observer: Alfa Crucis – Colesanti C, De Carvalho Aguiar P, Kulh D, Napoleao T, Olim E, Rodrigues MA, Treü R
  • Created by: admin
  • Created: 10/9/2020, 03:09 UTC
  • Station: Orion Observatory - Mairinque, Sao Paulo, Brazil
    Lat: -24°, Long: -47°
  • Instrument: 12 inch Schmidt-Cassegrain (305mm, f/10), focal reducer f/3.3, Sensor: SBIG ST-7XME, Mount: Paramount MX
  • Photometric band: V
  • Time standard: HJD
  • Brightness in: Flux
Note:
GENERATED FROM TRANSIT id=8023
Determined transits
  • 2458685.519270 (7/21/2019, 00:27 UTC)
    Tresca ID: 1602205793
    Planet designation: HD189733 b
    HJDmid: 2458685.523540 +/- 0.001020
    Heliocentric correction: 0.004270
    Transit depth (Mag): 0.028600 +/- 0.002000
    Transit duration (Min): 102.00 +/- 4.60
    Standard deviation (mmag): 6.6
    Data quality: 3 (good)
    Data density (data/min): 0.59
    Fitting algorithm: Original ETD
    Note: 
    20s exposures binned 1x1. Each data point is the average of 3 images. Weighted ensemble photometry with 3 comp stars (C2,C4,C6), apertures 6,11,17. More about Alfa Crucis: https://alfacrucis.org/
Actions:
Light curve
Field identification - Star field chart
Chart - HD189733, JD 2458685.46983
Field identification - Explicitly named stars

No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.

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