MOA 2023-BLG-121

Event Parameters

Internal ID:gb3-R-5-46254
Discovery date:2023-04-16T19:13:49
RA:17:50:51.74
Dec:-33:29:35.62
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
519 17:50:51.66 -33:29:33.80 19.14 ± 0.11 2.05
546 17:50:51.77 -33:29:36.34 18.12 ± 0.09 1.38
621 17:50:52.05 -33:29:35.17 17.23 ± 0.03 3.47

Last 5 photometry measurements

Observation dateI magseeing
2460611.900 (2024-Oct-28.400) 18.98 ± 0.47 4.74
2460611.912 (2024-Oct-28.412) 99.99 ± 99.99 6.02
2460611.923 (2024-Oct-28.423) 99.99 ± 99.99 5.45
2460611.931 (2024-Oct-28.431) 18.45 ± 0.29 4.71
2460614.876 (2024-Oct-31.376) 99.99 ± 99.99 5.45

Calibration: I = 27.40 - 2.5 log10(ΔF + 5128.61)

Single lens fit parameters

tmax =JD 2460051.33 ± 0.02 UT (2023-Apr-16.83)
tE =40.59 ± 1.98 days
u0 =0.0536 ± 0.0034
Ibase =20.00 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice