MOA 2023-BLG-258

Event Parameters

Internal ID:gb17-R-9-31396
Discovery date:2023-06-11T08:18:08
RA:18:12:11.41
Dec:-26:59:57.72
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
88456 18:12:11.50 -26:59:56.41 16.03 ± 0.13 2.73
88553 18:12:11.38 -26:59:59.02 17.29 ± 0.07 0.79
88610 18:12:11.27 -26:59:53.76 17.84 ± 0.11 4.92
88664 18:12:11.19 -26:59:56.39 15.98 ± 0.04 3.10
88665 18:12:11.17 -27:00:00.77 18.44 ± 0.14 3.72

Last 5 photometry measurements

Observation dateI magseeing
2460245.899 (2023-Oct-28.399) 17.40 ± 0.08 3.09
2460245.931 (2023-Oct-28.431) 17.23 ± 0.10 3.36
2460246.862 (2023-Oct-29.362) 17.22 ± 0.08 3.63
2460246.903 (2023-Oct-29.403) 17.20 ± 0.07 3.39
2460246.931 (2023-Oct-29.431) 17.21 ± 0.10 3.73

Calibration: I = 27.40 - 2.5 log10(ΔF + 11076.43)

Single lens fit parameters

tmax =JD 2460107.18 ± 0.02 UT (2023-Jun-11.68)
tE =11.69 ± 1.47 days
u0 =0.2036 ± 0.0375
Ibase =19.37 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice