MOA 2023-BLG-454

Event Parameters

Internal ID:gb3-R-1-115750
Discovery date:2023-10-06T03:56:29
RA:17:53:15.41
Dec:-32:10:17.35
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
43211 17:53:15.09 -32:10:16.97 17.66 ± 0.07 4.81
43251 17:53:15.25 -32:10:14.49 18.58 ± 0.13 3.63
43308 17:53:15.40 -32:10:18.23 16.86 ± 0.05 1.70
43364 17:53:15.52 -32:10:15.90 17.39 ± 0.09 1.26
43365 17:53:15.55 -32:10:13.59 16.39 ± 0.06 3.56
43401 17:53:15.59 -32:10:18.38 17.96 ± 0.07 2.52

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 16.47 ± 0.05 3.42
2460246.910 (2023-Oct-29.410) 16.46 ± 0.05 3.50
2460246.922 (2023-Oct-29.422) 16.39 ± 0.05 3.80
2460246.930 (2023-Oct-29.430) 16.37 ± 0.05 3.73
2460246.933 (2023-Oct-29.433) 16.41 ± 0.06 3.95

Calibration: I = 27.40 - 2.5 log10(ΔF + 10139.11)

Single lens fit parameters

tmax =JD 2460257.99 ± 1.72 UT (2023-Nov-9.49)
tE =98.90 ± 4.65 days
u0 =0.0931 ± 0.0079
Ibase =19.02 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice