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
2460245.923 (2023-Oct-28.423) 18.87 ± 0.50 3.63
2460245.937 (2023-Oct-28.437) 17.86 ± 0.19 3.66
2460246.859 (2023-Oct-29.359) 19.62 ± 0.75 3.70
2460246.892 (2023-Oct-29.392) 20.80 ± 3.95 3.59
2460246.926 (2023-Oct-29.426) 18.45 ± 0.34 3.73

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