MOA 2018-BLG-331

Event Parameters

Internal ID:gb3-R-1-63686
Discovery date:2018-08-24T08:49:44
RA:17:51:19.33
Dec:-31:56:19.90
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
63879 17:51:19.29 -31:56:20.54 16.84 ± 0.04 1.76

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 18.06 ± 0.35 4.47
2460246.910 (2023-Oct-29.410) 18.83 ± 0.72 4.37
2460246.922 (2023-Oct-29.422) 18.15 ± 0.50 4.63
2460246.930 (2023-Oct-29.430) 19.14 ± 1.23 4.46
2460246.933 (2023-Oct-29.433) 19.70 ± 2.33 4.67

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

Single lens fit parameters

tmax =JD 2458355.52 ± 0.03 UT (2018-Aug-25.02)
tE =1.25 ± 2.99 days
u0 =8.1077 ± 6.0590
Ibase =9.01 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice