MOA 2021-BLG-445

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb13-R-8-32609
Discovery date:	2021-10-20T20:51:58
RA:	18:07:01.17
Dec:	-29:07:49.16
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
59913	18:07:01.45	-29:07:50.99	16.36 ± 0.07	4.49
60075	18:07:01.16	-29:07:49.42	15.78 ± 0.19	0.58
60076	18:07:01.16	-29:07:53.40	17.98 ± 0.11	3.78
60218	18:07:00.86	-29:07:50.88	17.88 ± 0.14	3.84

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	15.76 ± 0.02	3.28
2460245.920 (2023-Oct-28.420)	15.78 ± 0.02	3.52
2460246.857 (2023-Oct-29.357)	15.74 ± 0.02	3.60
2460246.890 (2023-Oct-29.390)	15.79 ± 0.02	3.53
2460246.924 (2023-Oct-29.424)	15.75 ± 0.02	3.72

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 44586.15)

Single lens fit parameters

t_max	=	JD 2459519.39	±	2.29 UT (2021-Oct-31.89)
t_E	=	55.77	±	7.38 days
u₀	=	0.6151	±	0.1321
I_base	=	17.39	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice