MOA 2020-BLG-021

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Event Parameters

Internal ID:	gb16-R-3-19346
Discovery date:	2020-02-22T21:50:16
RA:	18:10:23.91
Dec:	-29:24:09.40
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
45802	18:10:23.75	-29:24:09.71	15.25 ± 0.04	2.91
45820	18:10:23.79	-29:24:06.19	17.99 ± 0.13	3.52
45920	18:10:23.98	-29:24:08.40	15.09 ± 0.09	0.50
45965	18:10:24.07	-29:24:05.67	18.13 ± 0.11	3.58
46043	18:10:24.19	-29:24:09.46	14.43 ± 0.07	3.18

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.910 (2023-Oct-28.410)	15.05 ± 0.02	3.03
2460245.939 (2023-Oct-28.439)	15.11 ± 0.03	3.53
2460246.866 (2023-Oct-29.366)	15.03 ± 0.02	3.45
2460246.913 (2023-Oct-29.413)	15.03 ± 0.02	3.12
2460246.937 (2023-Oct-29.437)	15.07 ± 0.03	3.74

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 84255.84)

Single lens fit parameters

t_max	=	JD 2458895.82	±	2.46 UT (2020-Feb-16.32)
t_E	=	10.07	±	6.17 days
u₀	=	9.2594	±	3.7185
I_base	=	8.49	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice