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
2460611.900 (2024-Oct-28.400) 17.52 ± 0.13 4.51
2460611.912 (2024-Oct-28.412) 16.90 ± 0.36 5.56
2460611.923 (2024-Oct-28.423) 17.41 ± 0.28 5.28
2460611.931 (2024-Oct-28.431) 17.41 ± 0.12 4.63
2460614.876 (2024-Oct-31.376) 99.99 ± 99.99 5.18

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