MOA 2022-BLG-438

Event Parameters

Internal ID:gb16-R-4-24961
Discovery date:2022-08-11T11:23:31
RA:18:11:12.12
Dec:-29:33:26.17
Current assessment:microlensing/cv
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
163719 18:11:11.80 -29:33:25.25 18.78 ± 0.12 4.91
163816 18:11:12.01 -29:33:24.95 17.94 ± 0.14 2.10
163889 18:11:12.15 -29:33:22.17 17.17 ± 0.13 3.54
163962 18:11:12.24 -29:33:27.09 19.29 ± 0.13 1.86
164028 18:11:12.40 -29:33:24.18 17.17 ± 0.14 3.54

Last 5 photometry measurements

Observation dateI magseeing
2460536.835 (2024-Aug-14.335) 21.86 ± 3.58 3.42
2460536.908 (2024-Aug-14.408) 20.99 ± 1.27 2.41
2460536.983 (2024-Aug-14.483) 99.99 ± 99.99 2.71
2460537.057 (2024-Aug-14.557) 20.86 ± 4.34 4.24
2460537.129 (2024-Aug-14.629) 99.99 ± 99.99 5.53

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

Single lens fit parameters

tmax =JD 2459803.60 ± 0.05 UT (2022-Aug-12.10)
tE =21.93 ± 2.29 days
u0 =0.1072 ± 0.0157
Ibase =19.92 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice