MOA 2021-BLG-242

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Event Parameters

Internal ID:	gb5-R-4-130697
Discovery date:	2021-07-10T17:38:34
RA:	17:53:21.72
Dec:	-29:31:45.42
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
156360	17:53:21.49	-29:31:45.35	15.04 ± 0.10	3.76
156451	17:53:21.66	-29:31:46.30	16.54 ± 0.11	2.04
156529	17:53:21.79	-29:31:44.61	16.47 ± 0.25	0.39
156555	17:53:21.82	-29:31:47.33	17.09 ± 0.05	2.70
156580	17:53:21.87	-29:31:45.54	16.61 ± 0.19	1.66

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	16.32 ± 0.05	3.59
2460246.883 (2023-Oct-29.383)	16.39 ± 0.04	3.46
2460246.895 (2023-Oct-29.395)	16.42 ± 0.04	3.32
2460246.905 (2023-Oct-29.405)	16.42 ± 0.04	3.26
2460246.917 (2023-Oct-29.417)	16.32 ± 0.04	3.34

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 23593.91)

Single lens fit parameters

t_max	=	JD 2459411.37	±	0.02 UT (2021-Jul-15.87)
t_E	=	8.17	±	0.34 days
u₀	=	0.4196	±	0.0331
I_base	=	17.19	±	0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice