MOA 2023-BLG-250

Event Parameters

Internal ID:gb18-R-1-23907
Discovery date:2023-06-08T15:41:43
RA:18:11:23.25
Dec:-25:02:13.39
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
97384 18:11:23.09 -25:02:14.86 18.53 ± 0.09 3.63
97417 18:11:23.25 -25:02:12.81 17.53 ± 0.05 0.66
97444 18:11:23.37 -25:02:15.99 17.26 ± 0.04 3.53
97467 18:11:23.45 -25:02:12.89 16.34 ± 0.02 2.20

Last 5 photometry measurements

Observation dateI magseeing
2460610.878 (2024-Oct-27.378) 17.93 ± 0.27 5.63
2460610.915 (2024-Oct-27.415) 18.22 ± 0.22 5.23
2460611.890 (2024-Oct-28.390) 17.76 ± 0.11 4.72
2460611.925 (2024-Oct-28.425) 18.35 ± 0.57 5.81
2460614.883 (2024-Oct-31.383) 17.92 ± 0.27 5.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 8863.39)

Single lens fit parameters

tmax =JD 2460130.40 ± 0.01 UT (2023-Jul-4.90)
tE =1.36 ± 1.24 days
u0 =12.3057 ± 5.9651
Ibase =5.88 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice