MOA 2021-BLG-077

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Event Parameters

Internal ID:	gb20-R-1-27599
Discovery date:	2021-04-08T15:20:55
RA:	18:16:19.10
Dec:	-23:00:02.15
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
106336	18:16:18.89	-23:00:02.99	18.84 ± 0.10	3.95
106426	18:16:19.08	-23:00:03.39	18.71 ± 0.08	2.13
106450	18:16:19.11	-23:00:01.07	16.88 ± 0.04	0.77

Last 5 photometry measurements

Observation date	I mag	seeing
2460567.989 (2024-Sep-14.489)	16.85 ± 0.09	4.65
2460570.825 (2024-Sep-17.325)	16.95 ± 0.04	4.00
2460570.901 (2024-Sep-17.401)	16.91 ± 0.04	4.29
2460570.972 (2024-Sep-17.472)	16.76 ± 0.06	4.56
2460572.926 (2024-Sep-19.426)	16.99 ± 0.05	4.57

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 16218.10)

Single lens fit parameters

t_max	=	JD 2459313.50	±	0.37 UT (2021-Apr-9.00)
t_E	=	63.19	±	13.36 days
u₀	=	0.1469	±	0.0610
I_base	=	19.59	±	0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice