MOA 2017-BLG-493

Event Parameters

Internal ID:gb4-R-6-48913
Discovery date:2017-10-01T13:34:58
RA:17:55:13.91
Dec:-31:46:44.24
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
125001 17:55:14.21 -31:46:44.15 16.56 ± 0.04 4.59
125052 17:55:14.04 -31:46:47.84 15.88 ± 0.09 3.98
125115 17:55:13.94 -31:46:40.46 17.57 ± 0.05 4.72
125126 17:55:13.88 -31:46:44.65 16.34 ± 0.05 0.25
125198 17:55:13.68 -31:46:48.92 18.90 ± 0.19 4.97
125214 17:55:13.64 -31:46:45.75 17.08 ± 0.07 3.12

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 16.23 ± 0.04 3.53
2460246.898 (2023-Oct-29.398) 16.27 ± 0.04 3.22
2460246.909 (2023-Oct-29.409) 16.29 ± 0.05 3.42
2460246.920 (2023-Oct-29.420) 16.38 ± 0.07 3.81
2460246.929 (2023-Oct-29.429) 16.52 ± 0.07 3.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 26472.81)

Single lens fit parameters

tmax =JD 2458063.10 ± 0.31 UT (2017-Nov-5.60)
tE =65.10 ± 0.77 days
u0 =0.1521 ± 0.0032
Ibase =16.54 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice