MOA 2019-BLG-438

Event Parameters

Internal ID:gb16-R-8-8772
Discovery date:2019-10-05T20:15:19
RA:18:12:30.57
Dec:-29:11:45.04
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
80174 18:12:30.85 -29:11:44.48 17.64 ± 0.09 4.54
80281 18:12:30.60 -29:11:43.70 17.44 ± 0.07 2.24
80282 18:12:30.60 -29:11:49.17 18.80 ± 0.14 3.82
80320 18:12:30.52 -29:11:45.49 17.55 ± 0.09 0.17
80429 18:12:30.30 -29:11:44.90 18.77 ± 0.17 3.07
80430 18:12:30.30 -29:11:47.74 16.45 ± 0.04 3.68

Last 5 photometry measurements

Observation dateI magseeing
2460571.049 (2024-Sep-17.549) 18.75 ± 0.86 4.73
2460572.905 (2024-Sep-19.405) 17.61 ± 0.09 4.43
2460572.922 (2024-Sep-19.422) 17.58 ± 0.06 3.84
2460572.959 (2024-Sep-19.459) 99.99 ± 99.99 5.66
2460574.036 (2024-Sep-20.536) 17.34 ± 0.13 4.55

Calibration: I = 27.40 - 2.5 log10(ΔF + 8701.62)

Single lens fit parameters

tmax =JD 2458766.14 ± 0.03 UT (2019-Oct-9.64)
tE =18.45 ± 0.58 days
u0 =0.3836 ± 0.0216
Ibase =16.79 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice