MOA 2021-BLG-071

Event Parameters

Internal ID:gb4-R-9-80512
Discovery date:2021-04-07T18:29:13
RA:17:54:50.81
Dec:-30:46:13.91
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
115896 17:54:50.95 -30:46:12.31 16.34 ± 0.03 3.37
115940 17:54:50.83 -30:46:18.45 16.20 ± 0.03 4.17
115961 17:54:50.78 -30:46:14.09 17.47 ± 0.08 0.47
116011 17:54:50.64 -30:46:16.48 19.60 ± 0.30 2.68
116071 17:54:50.45 -30:46:14.20 17.81 ± 0.07 4.29

Last 5 photometry measurements

Observation dateI magseeing
2460572.944 (2024-Sep-19.444) 17.61 ± 0.10 3.96
2460572.954 (2024-Sep-19.454) 17.49 ± 0.07 3.70
2460572.966 (2024-Sep-19.466) 19.13 ± 13.15 5.60
2460574.031 (2024-Sep-20.531) 17.60 ± 0.27 4.85
2460575.919 (2024-Sep-22.419) 17.66 ± 0.32 4.59

Calibration: I = 27.40 - 2.5 log10(ΔF + 9349.75)

Single lens fit parameters

tmax =JD 2459326.03 ± 0.01 UT (2021-Apr-21.53)
tE =13.58 ± 0.21 days
u0 =0.3725 ± 0.0083
Ibase =17.05 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice