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
2460518.888 (2024-Jul-27.388) 99.99 ± 99.99 2.99
2460518.909 (2024-Jul-27.409) 20.03 ± 1.22 3.28
2460518.921 (2024-Jul-27.421) 20.57 ± 1.94 3.28
2460518.931 (2024-Jul-27.431) 99.99 ± 99.99 4.33
2460519.051 (2024-Jul-27.551) 19.77 ± 1.47 3.45

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