MOA 2019-BLG-417

Event Parameters

Internal ID:gb12-R-8-11809
Discovery date:2019-09-11T21:55:02
RA:18:07:45.69
Dec:-31:04:33.50
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
138072 18:07:45.89 -31:04:32.84 17.86 ± 0.09 3.56
138136 18:07:45.71 -31:04:36.73 18.09 ± 0.09 2.85
138194 18:07:45.63 -31:04:34.16 16.63 ± 0.04 0.17
138195 18:07:45.64 -31:04:38.73 17.78 ± 0.07 4.79
138262 18:07:45.47 -31:04:30.59 17.30 ± 0.09 4.29
138342 18:07:45.38 -31:04:36.78 18.28 ± 0.14 4.48

Last 5 photometry measurements

Observation dateI magseeing
2460570.941 (2024-Sep-17.441) 16.67 ± 0.09 3.21
2460571.015 (2024-Sep-17.515) 16.87 ± 0.09 4.14
2460572.924 (2024-Sep-19.424) 16.50 ± 0.03 3.69
2460572.961 (2024-Sep-19.461) 16.68 ± 0.06 4.87
2460574.034 (2024-Sep-20.534) 16.69 ± 0.07 4.81

Calibration: I = 27.40 - 2.5 log10(ΔF + 20361.04)

Single lens fit parameters

tmax =JD 2458737.78 ± 0.01 UT (2019-Sep-11.28)
tE =0.15 ± 0.10 days
u0 =1.4308 ± 0.7758
Ibase =15.25 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice