Photometry: WASP-77Ab
Exo-Planet, Class confirmed:
WASP-77Ab
Imaged/Calibration/Image solve:
PRiSM v11
Photometry and Data Fitting:
HOPS 3.1.2/Platform: Python 3.9
Instrument:
CCD: Atik383L+ (KAF8300M)
FILTERS: Luminance
TELESCOPE: RC14, 1947.0 mm
Site:
ORIGIN: Cepheid Observatory India
SITELAT: +24:55:00:00
SITELONG:+75:33:58:99
Observers:
Cepheid Observatory India, VS Observatory India
Remark:
Sky Clear
Results
Rp/Rs = 0.1242 ± 0.0022 (expected: 0.1301 ± 0.0007)
O-C = 2.27 ± 0.65 minutes
Diagnostics
Transit SNR = 28.3 (good:≥5, acceptable:≥3)
(strong detection of the transit)
Rp/Rs drift = -2.56σ (good:≤2, acceptable:≤3)
(Rp/Rs in marginal agreement with the literature)
AutoCorrelation = 0.249 (good:≤0.317, acceptable:≤0.388)
(no systematics in the data)
Shapiro = 0.012 (good:≤0.032, acceptable:≤0.053)
(few or no outliers in the data)
![](https://posts.3cepheids.co.in/wp/wp-content/uploads/2023/12/detrended_model-5-1024x805.jpg)
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