MOA 2023-BLG-254

Event Parameters

Internal ID:gb14-R-1-88708
Discovery date:2023-06-09T11:22:21
RA:18:05:52.58
Dec:-26:52:14.48
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
78521 18:05:52.40 -26:52:13.88 14.43 ± 0.04 3.16
78636 18:05:52.64 -26:52:15.11 15.27 ± 0.04 1.29
78666 18:05:52.69 -26:52:11.68 15.88 ± 0.13 2.47
78792 18:05:52.89 -26:52:14.84 17.33 ± 0.11 3.84

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 15.44 ± 0.03 3.69
2460246.889 (2023-Oct-29.389) 15.40 ± 0.02 3.94
2460246.901 (2023-Oct-29.401) 15.43 ± 0.03 3.36
2460246.911 (2023-Oct-29.411) 15.41 ± 0.02 3.74
2460246.923 (2023-Oct-29.423) 15.44 ± 0.03 4.17

Calibration: I = 27.40 - 2.5 log10(ΔF + 71449.63)

Single lens fit parameters

tmax =JD 2460104.75 ± 0.00 UT (2023-Jun-9.25)
tE =10.59 ± 0.00 days
u0 =0.0111 ± 0.0003
Ibase =19.77 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice