MOA 2023-BLG-021

Event Parameters

Internal ID:gb15-R-5-47857
Discovery date:2023-02-24T23:08:30
RA:18:05:29.70
Dec:-26:30:40.95
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
60322 18:05:29.43 -26:30:40.09 16.72 ± 0.07 4.37
60394 18:05:29.52 -26:30:43.98 17.45 ± 0.09 4.90
60500 18:05:29.73 -26:30:40.84 16.90 ± 0.05 0.50
60585 18:05:29.95 -26:30:42.85 15.49 ± 0.03 3.95
60607 18:05:29.99 -26:30:37.58 18.41 ± 0.10 4.59

Last 5 photometry measurements

Observation dateI magseeing
2460602.936 (2024-Oct-19.436) 16.75 ± 0.04 3.75
2460610.882 (2024-Oct-27.382) 16.73 ± 0.12 5.52
2460610.925 (2024-Oct-27.425) 16.88 ± 0.07 4.93
2460611.903 (2024-Oct-28.403) 16.92 ± 0.05 4.55
2460614.887 (2024-Oct-31.387) 16.67 ± 0.12 5.60

Calibration: I = 27.40 - 2.5 log10(ΔF + 15863.54)

Single lens fit parameters

tmax =JD 2459988.16 ± 1.09 UT (2023-Feb-12.66)
tE =296.71 ± 116.77 days
u0 =0.0288 ± 0.0215
Ibase =21.31 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice