MOA 2023-BLG-409

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb17-R-4-36629
Discovery date:	2023-08-29T10:09:29
RA:	18:11:53.69
Dec:	-27:44:11.76
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
200152	18:11:53.37	-27:44:12.08	19.05 ± 0.13	4.96
200296	18:11:53.58	-27:44:13.78	18.34 ± 0.13	3.40
200374	18:11:53.71	-27:44:09.60	17.43 ± 0.07	1.65
200594	18:11:54.08	-27:44:10.48	17.89 ± 0.12	4.86

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.879 (2024-Oct-27.379)	99.99 ± 99.99	5.26
2460610.916 (2024-Oct-27.416)	99.99 ± 99.99	4.94
2460611.891 (2024-Oct-28.391)	99.99 ± 99.99	4.33
2460611.926 (2024-Oct-28.426)	99.99 ± 99.99	5.50
2460614.884 (2024-Oct-31.384)	99.99 ± 99.99	5.47

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

Single lens fit parameters

t_max	=	JD 2460192.31	±	0.01 UT (2023-Sep-4.81)
t_E	=	26.93	±	0.63 days
u₀	=	0.0606	±	0.0021
I_base	=	18.78	±	0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice