MOA 2021-BLG-256

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Event Parameters

Internal ID:	gb5-R-6-134587
Discovery date:	2021-07-13T10:49:49
RA:	17:55:46.63
Dec:	-29:47:58.17
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
30051	17:55:46.68	-29:47:56.01	16.92 ± 0.10	3.14
30119	17:55:46.55	-29:47:57.60	16.20 ± 0.20	1.34
30120	17:55:46.52	-29:48:02.12	18.23 ± 0.12	3.65
30224	17:55:46.31	-29:47:59.02	17.02 ± 0.12	3.79

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	16.53 ± 0.13	3.77
2460246.883 (2023-Oct-29.383)	16.47 ± 0.07	3.44
2460246.895 (2023-Oct-29.395)	16.22 ± 0.06	3.38
2460246.905 (2023-Oct-29.405)	16.28 ± 0.06	3.30
2460246.917 (2023-Oct-29.417)	16.07 ± 0.06	3.40

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 30116.19)

Single lens fit parameters

t_max	=	JD 2459409.76	±	0.03 UT (2021-Jul-14.26)
t_E	=	15.86	±	0.68 days
u₀	=	0.0628	±	0.0031
I_base	=	19.53	±	0.36

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice