MOA 2017-BLG-499

Event Parameters

Internal ID:gb8-R-7-10140
Discovery date:2017-10-16T09:55:47
RA:18:01:42.98
Dec:-31:16:59.02
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
40762 18:01:43.05 -31:16:59.18 16.18 ± 0.12 1.62
40843 18:01:42.88 -31:17:02.84 15.95 ± 0.06 3.43
40962 18:01:42.68 -31:16:57.48 18.01 ± 0.07 4.07

Last 5 photometry measurements

Observation dateI magseeing
2460610.904 (2024-Oct-27.404) 99.99 ± 99.99 4.99
2460610.934 (2024-Oct-27.434) 21.30 ± 3.64 4.66
2460611.879 (2024-Oct-28.379) 19.14 ± 0.34 4.25
2460611.916 (2024-Oct-28.416) 99.99 ± 99.99 5.77
2460614.880 (2024-Oct-31.380) 99.99 ± 99.99 5.20

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

Single lens fit parameters

tmax =JD 2458045.85 ± 0.05 UT (2017-Oct-19.35)
tE =15.77 ± 0.58 days
u0 =0.0138 ± 0.0072
Ibase =18.17 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice