MOA 2017-BLG-439

Event Parameters

Internal ID:gb4-R-6-48468
Discovery date:2017-08-29T13:09:07
RA:17:56:37.82
Dec:-31:36:42.83
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
11695 17:56:37.69 -31:36:40.01 15.44 ± 0.03 3.81

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 20.58 ± 2.66 3.59
2460246.898 (2023-Oct-29.398) 99.99 ± 99.99 3.34
2460246.909 (2023-Oct-29.409) 18.39 ± 0.46 3.34
2460246.920 (2023-Oct-29.420) 99.99 ± 99.99 3.85
2460246.929 (2023-Oct-29.429) 99.99 ± 99.99 3.78

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2457995.87 ± 0.00 UT (2017-Aug-30.37)
tE =16.42 ± 0.59 days
u0 =0.0130 ± 0.0005
Ibase =19.04 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice