MOA 2021-BLG-258

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Event Parameters

Internal ID:	gb8-R-1-139042
Discovery date:	2021-07-13T16:23:48
RA:	17:58:18.59
Dec:	-30:08:42.24
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
71507	17:58:18.55	-30:08:38.91	15.97 ± 0.02	3.19

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.897 (2024-Sep-19.397)	99.99 ± 99.99	4.54
2460572.937 (2024-Sep-19.437)	19.03 ± 0.47	4.49
2460573.022 (2024-Sep-19.522)	99.99 ± 99.99	5.39
2460574.033 (2024-Sep-20.533)	99.99 ± 99.99	5.38
2460575.923 (2024-Sep-22.423)	20.33 ± 12.93	5.58

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

Single lens fit parameters

t_max	=	JD 2459409.22	±	0.00 UT (2021-Jul-13.72)
t_E	=	7174.85	±	6702.75 days
u₀	=	0.0000	±	0.0002
I_base	=	27.35	±	0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice