MOA 2023-BLG-400

Event Parameters

Internal ID:gb21-R-9-6147
Discovery date:2023-08-25T21:56:17
RA:18:18:55.77
Dec:-21:47:09.75
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
146133 18:18:55.90 -21:47:09.23 18.34 ± 0.11 2.64
146185 18:18:55.82 -21:47:12.15 16.69 ± 0.06 2.29
146210 18:18:55.79 -21:47:14.92 20.24 ± 0.18 4.80
146231 18:18:55.74 -21:47:05.81 18.35 ± 0.06 4.69
146315 18:18:55.58 -21:47:08.32 16.43 ± 0.07 3.01
146372 18:18:55.47 -21:47:10.83 15.16 ± 0.07 3.78

Last 5 photometry measurements

Observation dateI magseeing
2460599.873 (2024-Oct-16.373) 99.99 ± 99.99 2.39
2460599.952 (2024-Oct-16.452) 99.99 ± 99.99 3.38
2460602.896 (2024-Oct-19.396) 99.99 ± 99.99 3.41
2460610.886 (2024-Oct-27.386) 99.99 ± 99.99 5.30
2460614.891 (2024-Oct-31.391) 19.77 ± 1.76 5.30

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

Single lens fit parameters

tmax =JD 2460186.85 ± 0.09 UT (2023-Aug-30.35)
tE =38.09 ± 4.26 days
u0 =0.1609 ± 0.0278
Ibase =19.17 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice