MOA 2023-BLG-274

Event Parameters

Internal ID:gb4-R-8-85716
Discovery date:2023-06-18T19:37:35
RA:17:56:11.31
Dec:-30:53:05.42
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
31275 17:56:11.35 -30:53:01.33 17.14 ± 0.11 4.98
31384 17:56:11.19 -30:53:07.31 15.99 ± 0.11 1.66
31458 17:56:11.03 -30:53:08.86 18.01 ± 0.17 4.31
31543 17:56:10.92 -30:53:04.73 14.86 ± 0.03 4.82

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 99.99 ± 99.99 3.25
2460246.898 (2023-Oct-29.398) 99.99 ± 99.99 2.90
2460246.909 (2023-Oct-29.409) 99.99 ± 99.99 3.22
2460246.920 (2023-Oct-29.420) 99.99 ± 99.99 3.62
2460246.929 (2023-Oct-29.429) 99.99 ± 99.99 3.50

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

Single lens fit parameters

tmax =JD 2460114.05 ± 0.01 UT (2023-Jun-18.55)
tE =15.58 ± 1.52 days
u0 =0.0089 ± 0.0018
Ibase =20.54 ± 0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice