MOA 2019-BLG-393

Event Parameters

Internal ID:gb4-R-3-74732
Discovery date:2019-08-29T11:22:59
RA:17:52:31.33
Dec:-30:52:13.57
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
114674 17:52:31.23 -30:52:12.80 16.77 ± 0.14 1.97
114723 17:52:31.29 -30:52:08.83 17.71 ± 0.10 4.41
114742 17:52:31.34 -30:52:11.03 17.34 ± 0.10 2.05
114861 17:52:31.61 -30:52:11.41 18.64 ± 0.13 3.59

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 99.99 ± 99.99 3.40
2460246.898 (2023-Oct-29.398) 18.99 ± 0.30 2.99
2460246.909 (2023-Oct-29.409) 20.36 ± 1.49 3.36
2460246.920 (2023-Oct-29.420) 19.27 ± 0.52 3.64
2460246.929 (2023-Oct-29.429) 18.87 ± 0.48 3.63

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

Single lens fit parameters

tmax =JD 2458723.70 ± 0.02 UT (2019-Aug-28.20)
tE =147.80 ± 30.01 days
u0 =0.0011 ± 0.0003
Ibase =23.50 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice