MOA 2023-BLG-447

Event Parameters

Internal ID:gb14-R-6-91661
Discovery date:2023-10-03T14:54:21
RA:18:06:18.64
Dec:-28:15:43.86
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
185969 18:06:18.85 -28:15:44.25 15.96 ± 0.07 3.52
186062 18:06:18.70 -28:15:40.49 16.41 ± 0.05 4.39
186110 18:06:18.59 -28:15:44.27 16.99 ± 0.14 0.18
186155 18:06:18.51 -28:15:42.84 17.50 ± 0.07 2.09
186208 18:06:18.40 -28:15:45.71 17.91 ± 0.12 3.03
186253 18:06:18.34 -28:15:41.20 17.09 ± 0.13 4.94

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 16.85 ± 0.06 3.63
2460246.889 (2023-Oct-29.389) 16.84 ± 0.08 3.75
2460246.901 (2023-Oct-29.401) 16.94 ± 0.07 3.12
2460246.911 (2023-Oct-29.411) 17.09 ± 0.10 3.67
2460246.923 (2023-Oct-29.423) 16.93 ± 0.10 3.93

Calibration: I = 27.40 - 2.5 log10(ΔF + 14601.58)

Single lens fit parameters

tmax =JD 2460226.29 ± 0.03 UT (2023-Oct-8.79)
tE =13.73 ± 0.87 days
u0 =0.4103 ± 0.0410
Ibase =17.37 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice