MOA 2023-BLG-442

Event Parameters

Internal ID:gb5-R-3-143451
Discovery date:2023-09-30T13:11:42
RA:17:52:57.00
Dec:-29:05:44.75
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
128686 17:52:56.89 -29:05:43.26 18.30 ± 0.16 2.34
128705 17:52:56.95 -29:05:40.62 16.90 ± 0.07 3.85
128799 17:52:57.10 -29:05:44.08 15.28 ± 0.07 0.78
128800 17:52:57.08 -29:05:40.61 17.20 ± 0.06 3.70
128879 17:52:57.24 -29:05:41.03 19.95 ± 0.45 4.16
128949 17:52:57.37 -29:05:45.88 17.48 ± 0.10 4.76

Last 5 photometry measurements

Observation dateI magseeing
2460611.907 (2024-Oct-28.407) 15.22 ± 0.02 4.92
2460611.918 (2024-Oct-28.418) 15.29 ± 0.04 5.31
2460614.862 (2024-Oct-31.362) 15.20 ± 0.05 5.53
2460614.868 (2024-Oct-31.368) 15.20 ± 0.02 5.30
2460614.872 (2024-Oct-31.372) 15.23 ± 0.02 4.62

Calibration: I = 27.40 - 2.5 log10(ΔF + 70664.29)

Single lens fit parameters

tmax =JD 2460222.42 ± 0.02 UT (2023-Oct-4.92)
tE =13106.09 ± 10654.89 days
u0 =0.0003 ± 0.0011
Ibase =25.86 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice