MOA 2021-BLG-249

Event Parameters

Internal ID:gb20-R-3-6973
Discovery date:2021-07-11T15:50:22
RA:18:15:47.81
Dec:-23:52:01.16
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
19027 18:15:47.61 -23:52:01.00 19.68 ± 0.11 3.57
19174 18:15:47.92 -23:52:00.87 16.05 ± 0.14 0.93

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 15.98 ± 0.05 3.51
2460244.877 (2023-Oct-27.377) 16.09 ± 0.06 4.47
2460245.871 (2023-Oct-28.371) 16.07 ± 0.04 3.45
2460246.850 (2023-Oct-29.350) 15.94 ± 0.05 3.54
2460246.871 (2023-Oct-29.371) 16.10 ± 0.04 3.50

Calibration: I = 27.40 - 2.5 log10(ΔF + 34705.64)

Single lens fit parameters

tmax =JD 2459404.77 ± 0.16 UT (2021-Jul-9.27)
tE =25.79 ± 6.48 days
u0 =0.1958 ± 0.0876
Ibase =19.78 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice