MOA 2021-BLG-285

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Event Parameters

Internal ID:	gb5-R-5-237168
Discovery date:	2021-07-27T13:38:46
RA:	17:53:50.43
Dec:	-29:51:12.39
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
145838	17:53:50.37	-29:51:08.72	18.25 ± 0.21	3.53
145874	17:53:50.43	-29:51:07.10	16.84 ± 0.11	4.99
145892	17:53:50.45	-29:51:14.16	15.10 ± 0.08	2.49
145947	17:53:50.61	-29:51:11.78	16.64 ± 0.11	1.83
145972	17:53:50.65	-29:51:09.43	16.54 ± 0.10	3.46

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	18.95 ± 0.58	3.74
2460246.883 (2023-Oct-29.383)	18.55 ± 0.33	3.52
2460246.895 (2023-Oct-29.395)	19.09 ± 0.72	3.36
2460246.905 (2023-Oct-29.405)	18.49 ± 0.37	3.33
2460246.917 (2023-Oct-29.417)	21.82 ± 8.32	3.20

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

Single lens fit parameters

t_max	=	JD 2459423.63	±	0.01 UT (2021-Jul-28.13)
t_E	=	12287.19	±	10776.50 days
u₀	=	0.0001	±	0.0010
I_base	=	26.53	±	0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice