MOA 2017-BLG-487

Event Parameters

Internal ID:gb14-R-1-61560
Discovery date:2017-09-20T14:40:13
RA:18:03:44.93
Dec:-26:46:53.67
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
95734 18:03:44.98 -26:46:56.11 16.25 ± 0.02 3.22
95735 18:03:44.96 -26:46:53.24 15.74 ± 0.06 0.27
95736 18:03:44.98 -26:46:49.44 17.40 ± 0.02 3.89

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 15.73 ± 0.03 3.96
2460246.889 (2023-Oct-29.389) 15.72 ± 0.03 4.31
2460246.901 (2023-Oct-29.401) 15.70 ± 0.02 3.61
2460246.911 (2023-Oct-29.411) 15.77 ± 0.04 3.98
2460246.923 (2023-Oct-29.423) 15.73 ± 0.04 4.21

Calibration: I = 27.40 - 2.5 log10(ΔF + 46216.81)

Single lens fit parameters

tmax =JD 2458019.78 ± 0.03 UT (2017-Sep-23.28)
tE =2.77 ± 3.51 days
u0 =8.9929 ± 5.2160
Ibase =8.02 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice