MOA 2021-BLG-427

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb9-R-1-174792
Discovery date:	2021-10-11T09:34:46
RA:	17:58:15.36
Dec:	-28:34:11.07
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
24725	17:58:15.06	-28:34:10.40	14.29 ± 0.08	4.78
24762	17:58:15.17	-28:34:13.19	16.38 ± 0.06	4.30
24878	17:58:15.43	-28:34:09.76	15.83 ± 0.03	0.87
24941	17:58:15.57	-28:34:12.49	15.74 ± 0.03	3.13

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.941 (2024-Sep-19.441)	15.89 ± 0.04	4.15
2460572.952 (2024-Sep-19.452)	15.84 ± 0.04	4.31
2460572.964 (2024-Sep-19.464)	15.66 ± 0.10	5.31
2460573.025 (2024-Sep-19.525)	15.96 ± 0.10	5.15
2460575.916 (2024-Sep-22.416)	15.86 ± 0.18	5.74

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 42461.96)

Single lens fit parameters

t_max	=	JD 2459499.37	±	0.05 UT (2021-Oct-11.87)
t_E	=	0.64	±	1.91 days
u₀	=	10.8271	±	8.4150
I_base	=	7.54	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice