MOA 2019-BLG-020

Event Parameters

Internal ID:gb9-R-4-75535
Discovery date:2019-02-10T04:19:46
RA:17:58:09.42
Dec:-29:41:21.66
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
33768 17:58:09.27 -29:41:22.72 16.98 ± 0.13 3.15
33860 17:58:09.45 -29:41:20.52 16.33 ± 0.09 0.63
33949 17:58:09.64 -29:41:20.00 15.87 ± 0.04 2.67
34025 17:58:09.76 -29:41:22.96 15.54 ± 0.08 4.46

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 16.22 ± 0.03 3.48
2460246.896 (2023-Oct-29.396) 16.23 ± 0.04 3.19
2460246.906 (2023-Oct-29.406) 16.24 ± 0.04 3.37
2460246.918 (2023-Oct-29.418) 16.26 ± 0.04 3.49
2460246.927 (2023-Oct-29.427) 16.18 ± 0.04 3.53

Calibration: I = 27.40 - 2.5 log10(ΔF + 26890.57)

Single lens fit parameters

tmax =JD 2458546.07 ± 0.00 UT (2019-Mar-3.57)
tE =22.96 ± 0.08 days
u0 =0.1236 ± 0.0006
Ibase =16.23 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice