MOA 2019-BLG-197

Event Parameters

Internal ID:gb9-R-3-120744
Discovery date:2019-05-02T17:44:42
RA:17:58:02.58
Dec:-29:22:56.74
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
30386 17:58:02.65 -29:22:52.34 15.12 ± 0.05 3.95
30542 17:58:02.89 -29:22:57.38 16.56 ± 0.12 3.85

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 99.99 ± 99.99 3.38
2460246.896 (2023-Oct-29.396) 99.99 ± 99.99 3.13
2460246.906 (2023-Oct-29.406) 19.79 ± 1.50 3.28
2460246.918 (2023-Oct-29.418) 99.99 ± 99.99 3.47
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.36

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458611.35 ± 0.01 UT (2019-May-7.85)
tE =44.56 ± 3.10 days
u0 =0.0273 ± 0.0022
Ibase =20.21 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice