MOA 2022-BLG-238

Event Parameters

Internal ID:gb5-R-3-131621
Discovery date:2022-05-11T15:18:10
RA:17:52:56.40
Dec:-29:17:11.48
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
49180 17:52:56.20 -29:17:08.11 18.41 ± 0.12 4.43
49231 17:52:56.28 -29:17:13.76 17.22 ± 0.09 3.74
49323 17:52:56.48 -29:17:10.80 16.51 ± 0.07 0.48
49370 17:52:56.56 -29:17:07.94 17.52 ± 0.06 3.39
49459 17:52:56.73 -29:17:12.47 18.02 ± 0.14 4.18

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 16.44 ± 0.07 3.63
2460246.883 (2023-Oct-29.383) 16.46 ± 0.05 3.32
2460246.895 (2023-Oct-29.395) 16.52 ± 0.05 3.25
2460246.905 (2023-Oct-29.405) 16.58 ± 0.06 3.28
2460246.917 (2023-Oct-29.417) 16.48 ± 0.06 3.28

Calibration: I = 27.40 - 2.5 log10(ΔF + 22636.02)

Single lens fit parameters

tmax =JD 2459715.17 ± 0.03 UT (2022-May-15.67)
tE =6.08 ± 0.66 days
u0 =0.7290 ± 0.1320
Ibase =17.23 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice