MOA 2021-BLG-173

Event Parameters

Internal ID:gb1-R-2-60918
Discovery date:2021-06-10T13:04:54
RA:17:45:57.40
Dec:-33:50:34.02
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
87755 17:45:57.28 -33:50:36.14 17.42 ± 0.03 3.54
87806 17:45:57.44 -33:50:35.02 16.46 ± 0.07 1.67
87880 17:45:57.71 -33:50:32.42 16.88 ± 0.06 3.48

Last 5 photometry measurements

Observation dateI magseeing
2460572.938 (2024-Sep-19.438) 99.99 ± 99.99 4.10
2460573.010 (2024-Sep-19.510) 99.99 ± 99.99 4.91
2460573.014 (2024-Sep-19.514) 99.99 ± 99.99 5.92
2460574.026 (2024-Sep-20.526) 20.84 ± 1.20 4.64
2460575.925 (2024-Sep-22.425) 99.99 ± 99.99 4.91

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459377.89 ± 0.00 UT (2021-Jun-12.39)
tE =25.44 ± 0.92 days
u0 =0.0098 ± 0.0004
Ibase =18.96 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice