MOA 2016-BLG-489

Event Parameters

Internal ID:gb8-R-8-12061
Discovery date:2016-08-13T22:12:32
RA:18:00:17.98
Dec:-30:55:50.41
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
73616 18:00:18.11 -30:55:52.90 18.90 ± 0.13 2.97
73637 18:00:18.09 -30:55:47.80 16.36 ± 0.06 3.86
73770 18:00:17.75 -30:55:52.00 18.93 ± 0.15 2.72
73848 18:00:17.59 -30:55:50.96 19.45 ± 0.17 4.67

Last 5 photometry measurements

Observation dateI magseeing
2460610.904 (2024-Oct-27.404) 99.99 ± 99.99 4.95
2460610.934 (2024-Oct-27.434) 99.99 ± 99.99 4.72
2460611.879 (2024-Oct-28.379) 20.24 ± 0.96 4.22
2460611.916 (2024-Oct-28.416) 99.99 ± 99.99 5.80
2460614.880 (2024-Oct-31.380) 19.53 ± 1.02 5.08

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

Single lens fit parameters

tmax =JD 2457616.78 ± 0.03 UT (2016-Aug-16.28)
tE =69.27 ± 5.91 days
u0 =0.0267 ± 0.0028
Ibase =21.20 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice