MOA 2023-BLG-012

Event Parameters

Internal ID:gb9-R-1-187857
Discovery date:2023-02-22T21:05:39
RA:17:59:34.99
Dec:-28:29:20.78
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
121501 17:59:35.00 -28:29:16.96 17.14 ± 0.06 3.46
121516 17:59:35.04 -28:29:20.22 15.40 ± 0.03 0.12
121561 17:59:35.10 -28:29:17.73 17.40 ± 0.07 2.80
121594 17:59:35.22 -28:29:21.64 16.76 ± 0.07 3.04

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 15.38 ± 0.04 5.81
2460611.928 (2024-Oct-28.428) 15.36 ± 0.02 5.28
2460614.863 (2024-Oct-31.363) 15.26 ± 0.04 5.51
2460614.869 (2024-Oct-31.369) 15.49 ± 0.03 5.68
2460614.873 (2024-Oct-31.373) 15.36 ± 0.03 5.59

Calibration: I = 27.40 - 2.5 log10(ΔF + 63037.65)

Single lens fit parameters

tmax =JD 2460008.08 ± 0.10 UT (2023-Mar-4.58)
tE =41.61 ± 0.75 days
u0 =0.7669 ± 0.0227
Ibase =15.66 ± 0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice