MOA 2021-BLG-355

Event Parameters

Internal ID:gb4-R-6-70968
Discovery date:2021-08-31T11:13:34
RA:17:55:34.85
Dec:-31:34:12.61
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
37765 17:55:35.16 -31:34:13.53 18.15 ± 0.06 4.77
37815 17:55:35.05 -31:34:10.85 18.42 ± 0.10 4.17
37856 17:55:34.99 -31:34:09.55 18.91 ± 0.21 4.55
37893 17:55:34.85 -31:34:13.13 15.96 ± 0.05 0.67
37930 17:55:34.77 -31:34:15.97 17.10 ± 0.12 2.93
38017 17:55:34.61 -31:34:12.57 18.69 ± 0.17 2.60
38039 17:55:34.58 -31:34:15.43 14.94 ± 0.06 3.74

Last 5 photometry measurements

Observation dateI magseeing
2460572.944 (2024-Sep-19.444) 15.98 ± 0.02 3.89
2460572.954 (2024-Sep-19.454) 15.96 ± 0.02 3.67
2460572.966 (2024-Sep-19.466) 15.71 ± 0.49 4.83
2460574.031 (2024-Sep-20.531) 16.12 ± 0.05 4.88
2460575.919 (2024-Sep-22.419) 15.93 ± 0.04 4.61

Calibration: I = 27.40 - 2.5 log10(ΔF + 37497.30)

Single lens fit parameters

tmax =JD 2459461.48 ± 0.12 UT (2021-Sep-3.98)
tE =73.85 ± 3.49 days
u0 =0.3026 ± 0.0191
Ibase =18.67 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice