MOA 2022-BLG-138

Event Parameters

Internal ID:gb9-R-1-176357
Discovery date:2022-04-01T15:13:04
RA:17:59:22.24
Dec:-28:34:22.82
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
54462 17:59:22.00 -28:34:21.83 15.86 ± 0.12 3.97
54594 17:59:22.30 -28:34:26.75 18.01 ± 0.26 4.74
54616 17:59:22.42 -28:34:22.65 15.54 ± 0.33 1.95
54617 17:59:22.35 -28:34:18.08 15.40 ± 0.07 4.46

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 99.99 ± 99.99 3.68
2460246.896 (2023-Oct-29.396) 99.99 ± 99.99 3.47
2460246.906 (2023-Oct-29.406) 99.99 ± 99.99 3.62
2460246.918 (2023-Oct-29.418) 99.99 ± 99.99 3.72
2460246.927 (2023-Oct-29.427) 99.99 ± 99.99 3.55

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

Single lens fit parameters

tmax =JD 2459674.55 ± 0.01 UT (2022-Apr-5.05)
tE =8396.65 ± 6818.15 days
u0 =0.0005 ± 0.0022
Ibase =23.89 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice