MOA 2023-BLG-159

Event Parameters

Internal ID:gb17-R-4-34594
Discovery date:2023-04-27T20:06:49
RA:18:09:12.34
Dec:-27:40:48.81
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
107922 18:09:12.33 -27:40:52.25 19.00 ± 0.15 4.26
107946 18:09:12.34 -27:40:46.57 18.18 ± 0.10 1.85
107965 18:09:12.39 -27:40:50.11 17.01 ± 0.06 1.96
108035 18:09:12.50 -27:40:47.43 19.15 ± 0.19 1.78
108080 18:09:12.60 -27:40:51.49 17.66 ± 0.04 4.50

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 20.80 ± 2.02 3.16
2460245.931 (2023-Oct-28.431) 99.99 ± 99.99 3.30
2460246.862 (2023-Oct-29.362) 99.99 ± 99.99 3.51
2460246.903 (2023-Oct-29.403) 99.99 ± 99.99 3.33
2460246.931 (2023-Oct-29.431) 99.99 ± 99.99 3.68

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

Single lens fit parameters

tmax =JD 2460063.96 ± 0.03 UT (2023-Apr-29.46)
tE =28.07 ± 3.46 days
u0 =0.0688 ± 0.0112
Ibase =20.70 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice