MOA 2022-BLG-409

Event Parameters

Internal ID:gb14-R-6-39166
Discovery date:2022-07-22T12:52:30
RA:18:06:23.90
Dec:-28:07:23.82
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
88497 18:06:24.18 -28:07:22.37 15.21 ± 0.05 4.94
88616 18:06:24.03 -28:07:27.89 16.57 ± 0.07 4.41
88640 18:06:24.00 -28:07:22.02 18.23 ± 0.16 3.22
88692 18:06:23.86 -28:07:24.26 17.21 ± 0.11 0.15
88711 18:06:23.82 -28:07:27.17 18.26 ± 0.11 2.95
88827 18:06:23.63 -28:07:21.98 16.54 ± 0.12 3.99
88860 18:06:23.58 -28:07:25.14 16.70 ± 0.11 3.82
88861 18:06:23.59 -28:07:27.45 14.47 ± 0.04 4.82

Last 5 photometry measurements

Observation dateI magseeing
2460246.855 (2023-Oct-29.355) 17.20 ± 0.11 3.49
2460246.889 (2023-Oct-29.389) 17.02 ± 0.10 3.62
2460246.901 (2023-Oct-29.401) 17.28 ± 0.11 3.00
2460246.911 (2023-Oct-29.411) 17.16 ± 0.11 3.52
2460246.923 (2023-Oct-29.423) 17.39 ± 0.18 3.81

Calibration: I = 27.40 - 2.5 log10(ΔF + 11945.38)

Single lens fit parameters

tmax =JD 2459784.15 ± 0.08 UT (2022-Jul-23.65)
tE =1178.29 ± 668.92 days
u0 =0.0063 ± 0.0085
Ibase =23.08 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice