MOA 2017-BLG-475

Event Parameters

Internal ID:gb21-R-8-4103
Discovery date:2017-09-13T12:24:33
RA:18:19:02.35
Dec:-21:54:31.03
Current assessment:cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
64159 18:19:02.49 -21:54:35.54 19.54 ± 0.17 4.78
64191 18:19:02.41 -21:54:29.61 18.50 ± 0.11 2.56
64299 18:19:02.24 -21:54:36.09 17.25 ± 0.08 4.72
64328 18:19:02.23 -21:54:27.94 20.28 ± 0.30 3.99
64429 18:19:02.04 -21:54:32.09 19.65 ± 0.19 3.85

Last 5 photometry measurements

Observation dateI magseeing
2460237.941 (2023-Oct-20.441) 21.82 ± 5.72 3.48
2460239.941 (2023-Oct-22.441) 99.99 ± 99.99 3.83
2460244.875 (2023-Oct-27.375) 99.99 ± 99.99 3.61
2460245.870 (2023-Oct-28.370) 21.79 ± 2.70 2.97
2460246.869 (2023-Oct-29.369) 99.99 ± 99.99 3.39

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

Single lens fit parameters

tmax =JD 2458010.41 ± 0.02 UT (2017-Sep-13.91)
tE =0.52 ± 1.28 days
u0 =12.3519 ± 9.0073
Ibase =7.09 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice