MOA 2019-BLG-141

Event Parameters

Internal ID:gb1-R-4-37369
Discovery date:2019-04-12T20:50:56
RA:17:44:47.49
Dec:-34:26:21.13
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
109565 17:44:47.25 -34:26:20.12 14.85 ± 0.02 3.80
109675 17:44:47.48 -34:26:20.50 18.48 ± 0.09 0.71
109676 17:44:47.46 -34:26:17.41 14.89 ± 0.03 3.40
109704 17:44:47.54 -34:26:24.42 17.18 ± 0.06 4.02
109790 17:44:47.71 -34:26:17.02 18.93 ± 0.11 4.35
109838 17:44:47.83 -34:26:18.85 18.88 ± 0.22 4.21

Last 5 photometry measurements

Observation dateI magseeing
2460572.938 (2024-Sep-19.438) 20.00 ± 1.39 4.05
2460573.010 (2024-Sep-19.510) 17.54 ± 0.60 4.91
2460573.014 (2024-Sep-19.514) 99.99 ± 99.99 4.17
2460574.026 (2024-Sep-20.526) 22.05 ± 12.83 4.65
2460575.925 (2024-Sep-22.425) 16.61 ± 0.69 6.07

Calibration: I = 27.40 - 2.5 log10(ΔF + 3698.28)

Single lens fit parameters

tmax =JD 2458586.90 ± 0.03 UT (2019-Apr-13.40)
tE =32.38 ± 6.62 days
u0 =0.0273 ± 0.0055
Ibase =21.20 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice