MOA 2023-BLG-290

Event Parameters

Internal ID:gb12-R-7-9518
Discovery date:2023-06-29T16:25:41
RA:18:06:08.11
Dec:-31:27:09.78
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
194975 18:06:08.30 -31:27:07.20 17.96 ± 0.11 4.61
195024 18:06:08.18 -31:27:10.51 16.74 ± 0.06 1.65
195080 18:06:08.09 -31:27:06.32 20.07 ± 0.31 4.23
195169 18:06:07.95 -31:27:12.67 19.37 ± 0.15 2.83
195227 18:06:07.82 -31:27:07.79 18.33 ± 0.09 4.14
195279 18:06:07.75 -31:27:09.38 17.45 ± 0.08 4.20
195280 18:06:07.74 -31:27:12.49 18.27 ± 0.14 4.79

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 99.99 ± 99.99 4.15
2460245.869 (2023-Oct-28.369) 99.99 ± 99.99 3.15
2460245.912 (2023-Oct-28.412) 99.99 ± 99.99 3.27
2460246.868 (2023-Oct-29.368) 99.99 ± 99.99 3.60
2460246.916 (2023-Oct-29.416) 99.99 ± 99.99 3.33

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

Single lens fit parameters

tmax =JD 2460127.76 ± 0.03 UT (2023-Jul-2.26)
tE =25.48 ± 1.20 days
u0 =0.0573 ± 0.0067
Ibase =19.71 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice