MOA 2023-BLG-457

Event Parameters

Internal ID:gb13-R-6-29141
Discovery date:2023-10-08T17:10:50
RA:18:07:51.76
Dec:-29:57:51.15
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
104561 18:07:51.96 -29:57:51.28 16.98 ± 0.05 3.38
104596 18:07:51.86 -29:57:48.71 18.84 ± 0.12 3.75
104612 18:07:51.80 -29:57:54.88 18.09 ± 0.15 3.56
104676 18:07:51.63 -29:57:53.43 15.25 ± 0.04 2.16
104736 18:07:51.47 -29:57:52.39 16.90 ± 0.14 3.44

Last 5 photometry measurements

Observation dateI magseeing
2460610.903 (2024-Oct-27.403) 20.09 ± 1.77 5.16
2460610.933 (2024-Oct-27.433) 18.51 ± 0.36 4.74
2460611.878 (2024-Oct-28.378) 99.99 ± 99.99 4.96
2460611.914 (2024-Oct-28.414) 99.99 ± 99.99 5.48
2460614.879 (2024-Oct-31.379) 99.99 ± 99.99 5.31

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

Single lens fit parameters

tmax =JD 2460313.26 ± 12.14 UT (2024-Jan-3.76)
tE =184.70 ± 20.46 days
u0 =0.1624 ± 0.0105
Ibase =17.89 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice