MOA 2021-BLG-387

Event Parameters

Internal ID:gb1-R-7-27445
Discovery date:2021-09-15T14:48:08
RA:17:50:14.34
Dec:-34:32:44.08
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
16085 17:50:14.66 -34:32:44.45 18.17 ± 0.07 4.75
16106 17:50:14.63 -34:32:46.37 18.36 ± 0.09 4.69
16161 17:50:14.53 -34:32:43.14 18.61 ± 0.08 3.49
16162 17:50:14.51 -34:32:45.18 18.32 ± 0.10 2.92
16302 17:50:14.26 -34:32:43.63 17.67 ± 0.09 1.19
16382 17:50:14.06 -34:32:41.20 16.47 ± 0.06 4.68
16383 17:50:14.05 -34:32:45.93 17.07 ± 0.05 3.35

Last 5 photometry measurements

Observation dateI magseeing
2460572.938 (2024-Sep-19.438) 17.70 ± 0.10 4.15
2460573.010 (2024-Sep-19.510) 18.12 ± 0.59 4.93
2460573.014 (2024-Sep-19.514) 17.16 ± 0.41 4.54
2460574.026 (2024-Sep-20.526) 17.46 ± 0.11 4.54
2460575.925 (2024-Sep-22.425) 17.00 ± 0.38 6.18

Calibration: I = 27.40 - 2.5 log10(ΔF + 7791.12)

Single lens fit parameters

tmax =JD 2459477.48 ± 0.06 UT (2021-Sep-19.98)
tE =16.17 ± 1.43 days
u0 =0.4741 ± 0.0790
Ibase =17.81 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice