MOA 2017-BLG-461

Event Parameters

Internal ID:gb19-R-3-8693
Discovery date:2017-09-04T01:06:08
RA:18:17:10.98
Dec:-25:32:27.73
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
67787 18:17:10.77 -25:32:30.31 18.54 ± 0.19 4.88
67939 18:17:11.02 -25:32:26.96 15.31 ± 0.03 0.22
67940 18:17:10.99 -25:32:24.53 17.03 ± 0.11 2.73
68006 18:17:11.12 -25:32:29.20 18.16 ± 0.10 2.51

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 15.26 ± 0.01 2.29
2460239.943 (2023-Oct-22.443) 15.28 ± 0.01 3.31
2460244.878 (2023-Oct-27.378) 15.27 ± 0.02 4.24
2460245.873 (2023-Oct-28.373) 15.26 ± 0.01 3.05
2460246.872 (2023-Oct-29.372) 15.28 ± 0.01 3.43

Calibration: I = 27.40 - 2.5 log10(ΔF + 68611.99)

Single lens fit parameters

tmax =JD 2458054.12 ± 2.22 UT (2017-Oct-27.62)
tE =16.36 ± 35.14 days
u0 =6.5785 ± 4.8624
Ibase =10.42 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice