MOA 2017-BLG-481

Event Parameters

Internal ID:gb12-R-5-7298
Discovery date:2017-09-19T12:44:59
RA:18:04:17.48
Dec:-31:50:51.94
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
33437 18:04:17.43 -31:50:52.98 17.41 ± 0.07 2.18
33476 18:04:17.53 -31:50:51.33 18.50 ± 0.12 0.05

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 19.81 ± 1.20 4.46
2460245.869 (2023-Oct-28.369) 18.53 ± 0.29 3.49
2460245.912 (2023-Oct-28.412) 18.82 ± 0.44 3.48
2460246.868 (2023-Oct-29.368) 18.55 ± 0.24 3.76
2460246.916 (2023-Oct-29.416) 19.03 ± 0.48 3.50

Calibration: I = 27.40 - 2.5 log10(ΔF + 3647.54)

Single lens fit parameters

tmax =JD 2458030.25 ± 0.14 UT (2017-Oct-3.75)
tE =162.52 ± 7.84 days
u0 =0.0773 ± 0.0046
Ibase =19.57 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice