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
2460611.899 (2024-Oct-28.399) 99.99 ± 99.99 4.69
2460611.911 (2024-Oct-28.411) 19.55 ± 1.00 4.70
2460611.921 (2024-Oct-28.421) 99.99 ± 99.99 5.14
2460611.930 (2024-Oct-28.430) 19.12 ± 0.66 4.49
2460614.875 (2024-Oct-31.375) 18.37 ± 0.40 5.10

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