MOA 2023-BLG-020

Event Parameters

Internal ID:gb10-R-3-77333
Discovery date:2023-02-24T23:08:28
RA:17:59:00.85
Dec:-27:39:01.51
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
58198 17:59:00.74 -27:39:00.52 15.99 ± 0.08 2.18
58304 17:59:00.90 -27:39:00.61 16.82 ± 0.13 0.33
58305 17:59:00.90 -27:38:58.20 17.57 ± 0.12 2.81
58370 17:59:01.02 -27:38:58.91 17.07 ± 0.17 2.69
58397 17:59:01.03 -27:39:03.54 14.53 ± 0.05 3.34

Last 5 photometry measurements

Observation dateI magseeing
2460611.898 (2024-Oct-28.398) 17.12 ± 0.25 4.37
2460611.910 (2024-Oct-28.410) 17.91 ± 0.44 4.81
2460611.920 (2024-Oct-28.420) 16.98 ± 0.19 4.79
2460614.864 (2024-Oct-31.364) 18.78 ± 2.37 5.31
2460614.874 (2024-Oct-31.374) 17.08 ± 0.20 4.79

Calibration: I = 27.40 - 2.5 log10(ΔF + 16998.09)

Single lens fit parameters

tmax =JD 2460005.15 ± 0.13 UT (2023-Mar-1.65)
tE =27.53 ± 2.52 days
u0 =0.4549 ± 0.0602
Ibase =17.49 ± 0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice