MOA 2019-BLG-287

Event Parameters

Internal ID:gb7-R-9-11431
Discovery date:2019-06-25T20:14:51
RA:18:01:11.02
Dec:-32:32:08.71
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
136756 18:01:11.27 -32:32:06.84 16.15 ± 0.04 4.62
136825 18:01:11.15 -32:32:08.37 16.61 ± 0.05 2.51
136898 18:01:11.01 -32:32:10.54 17.82 ± 0.08 1.40
136928 18:01:10.92 -32:32:13.51 17.31 ± 0.06 4.41
136978 18:01:10.80 -32:32:05.16 19.47 ± 0.21 4.82
137015 18:01:10.71 -32:32:12.66 18.39 ± 0.09 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460245.911 (2023-Oct-28.411) 17.55 ± 0.12 3.31
2460245.940 (2023-Oct-28.440) 18.00 ± 0.25 3.43
2460246.867 (2023-Oct-29.367) 17.46 ± 0.08 3.42
2460246.915 (2023-Oct-29.415) 17.70 ± 0.13 3.21
2460246.938 (2023-Oct-29.438) 17.60 ± 0.22 3.89

Calibration: I = 27.40 - 2.5 log10(ΔF + 6779.54)

Single lens fit parameters

tmax =JD 2458660.25 ± 0.09 UT (2019-Jun-25.75)
tE =12.63 ± 2.04 days
u0 =0.4116 ± 0.1386
Ibase =18.91 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice