MOA 2019-BLG-290

Event Parameters

Internal ID:gb17-R-8-50409
Discovery date:2019-06-26T11:35:18
RA:18:14:16.66
Dec:-27:27:16.39
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
27311 18:14:16.89 -27:27:16.54 17.71 ± 0.10 3.82
27502 18:14:16.60 -27:27:16.99 17.65 ± 0.14 0.27
27503 18:14:16.61 -27:27:20.34 15.07 ± 0.03 3.47
27589 18:14:16.41 -27:27:16.03 17.39 ± 0.12 3.02

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.59 ± 0.07 3.10
2460245.931 (2023-Oct-28.431) 17.64 ± 0.12 3.27
2460246.862 (2023-Oct-29.362) 17.80 ± 0.09 3.52
2460246.903 (2023-Oct-29.403) 17.61 ± 0.07 3.25
2460246.931 (2023-Oct-29.431) 17.96 ± 0.18 3.70

Calibration: I = 27.40 - 2.5 log10(ΔF + 7950.60)

Single lens fit parameters

tmax =JD 2458657.73 ± 0.08 UT (2019-Jun-23.23)
tE =26.50 ± 0.49 days
u0 =0.0913 ± 0.0022
Ibase =20.51 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice