MOA 2021-BLG-227

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb4-R-7-79812
Discovery date:	2021-07-07T14:44:15
RA:	17:56:41.95
Dec:	-31:26:31.81
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
100072	17:56:41.90	-31:26:31.84	14.58 ± 0.04	0.60
100091	17:56:41.82	-31:26:28.19	15.49 ± 0.04	4.55

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	14.55 ± 0.02	3.42
2460246.898 (2023-Oct-29.398)	14.56 ± 0.01	3.10
2460246.909 (2023-Oct-29.409)	14.56 ± 0.01	3.39
2460246.920 (2023-Oct-29.420)	14.56 ± 0.01	3.72
2460246.929 (2023-Oct-29.429)	14.54 ± 0.01	3.63

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 133782.71)

Single lens fit parameters

t_max	=	JD 2459414.40	±	0.00 UT (2021-Jul-18.90)
t_E	=	6.39	±	0.01 days
u₀	=	0.0000	±	0.0006
I_base	=	14.02	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice