MOA 2017-BLG-263

Event Parameters

Internal ID:gb19-R-3-6739
Discovery date:2017-05-20T18:57:24
RA:18:15:38.31
Dec:-25:36:21.04
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
16649 18:15:38.13 -25:36:19.41 18.46 ± 0.09 3.34
16720 18:15:38.23 -25:36:22.44 18.44 ± 0.07 2.68
16739 18:15:38.26 -25:36:24.79 18.42 ± 0.09 4.68
16740 18:15:38.29 -25:36:16.02 18.38 ± 0.06 4.68
16783 18:15:38.35 -25:36:20.29 18.07 ± 0.05 0.17
16809 18:15:38.40 -25:36:17.54 17.04 ± 0.03 3.08
16829 18:15:38.46 -25:36:22.98 18.07 ± 0.09 3.01

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 18.09 ± 0.13 2.60
2460239.943 (2023-Oct-22.443) 17.71 ± 0.18 3.64
2460244.878 (2023-Oct-27.378) 18.22 ± 0.37 4.29
2460245.873 (2023-Oct-28.373) 17.84 ± 0.18 3.44
2460246.872 (2023-Oct-29.372) 17.95 ± 0.18 3.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 5380.22)

Single lens fit parameters

tmax =JD 2457894.56 ± 0.01 UT (2017-May-21.06)
tE =1.79 ± 0.18 days
u0 =0.5666 ± 0.0853
Ibase =16.37 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice