MOA 2019-BLG-280

Event Parameters

Internal ID:gb5-R-4-118967
Discovery date:2019-06-24T15:50:30
RA:17:53:31.79
Dec:-29:40:22.04
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
73491 17:53:31.47 -29:40:21.15 18.93 ± 0.34 5.00
73621 17:53:31.72 -29:40:22.28 16.47 ± 0.07 1.84
73695 17:53:31.86 -29:40:21.27 16.92 ± 0.09 0.36
73747 17:53:31.96 -29:40:18.66 18.28 ± 0.15 3.31
73858 17:53:32.15 -29:40:22.76 14.65 ± 0.05 4.44

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 16.96 ± 0.08 3.57
2460246.883 (2023-Oct-29.383) 17.11 ± 0.08 3.51
2460246.895 (2023-Oct-29.395) 16.96 ± 0.06 3.27
2460246.905 (2023-Oct-29.405) 17.09 ± 0.07 3.27
2460246.917 (2023-Oct-29.417) 17.01 ± 0.07 3.29

Calibration: I = 27.40 - 2.5 log10(ΔF + 15516.72)

Single lens fit parameters

tmax =JD 2458677.20 ± 0.02 UT (2019-Jul-12.70)
tE =12.13 ± 0.47 days
u0 =0.9375 ± 0.0539
Ibase =15.61 ± 0.34

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice