MOA 2022-BLG-446

Event Parameters

Internal ID:gb3-R-7-39615
Discovery date:2022-08-12T13:07:26
RA:17:54:59.07
Dec:-33:09:49.99
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
150370 17:54:59.20 -33:09:49.38 18.54 ± 0.12 2.56
150454 17:54:59.01 -33:09:50.46 18.02 ± 0.13 0.22
150495 17:54:58.93 -33:09:48.36 17.04 ± 0.12 2.61
150496 17:54:58.92 -33:09:54.69 18.63 ± 0.19 4.47
150548 17:54:58.85 -33:09:51.60 18.24 ± 0.14 2.55

Last 5 photometry measurements

Observation dateI magseeing
2460537.103 (2024-Aug-14.603) 17.54 ± 0.35 4.35
2460537.115 (2024-Aug-14.615) 19.12 ± 1.46 4.44
2460537.126 (2024-Aug-14.626) 18.52 ± 1.60 5.25
2460537.135 (2024-Aug-14.635) 99.99 ± 99.99 4.98
2460537.140 (2024-Aug-14.640) 99.99 ± 99.99 5.43

Calibration: I = 27.40 - 2.5 log10(ΔF + 5649.37)

Single lens fit parameters

tmax =JD 2459820.68 ± 0.05 UT (2022-Aug-29.18)
tE =42.05 ± 1.04 days
u0 =0.2220 ± 0.0085
Ibase =18.97 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice