MOA 2022-BLG-031

Event Parameters

Internal ID:gb15-R-1-6528
Discovery date:2022-02-20T20:33:28
RA:18:03:52.12
Dec:-24:55:27.03
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
48046 18:03:52.12 -24:55:30.02 17.08 ± 0.05 3.81
48054 18:03:52.17 -24:55:26.19 16.91 ± 0.02 0.32
48085 18:03:52.36 -24:55:28.86 16.83 ± 0.06 3.91

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 17.00 ± 0.13 4.25
2460245.866 (2023-Oct-28.366) 16.73 ± 0.10 3.93
2460245.909 (2023-Oct-28.409) 16.78 ± 0.12 3.90
2460246.865 (2023-Oct-29.365) 16.60 ± 0.08 4.10
2460246.912 (2023-Oct-29.412) 16.73 ± 0.14 4.23

Calibration: I = 27.40 - 2.5 log10(ΔF + 15718.10)

Single lens fit parameters

tmax =JD 2459639.90 ± 0.09 UT (2022-Mar-1.40)
tE =24.91 ± 1.72 days
u0 =0.2309 ± 0.0181
Ibase =17.86 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice