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
2460239.942 (2023-Oct-22.442)	17.01 ± 0.12	4.10
2460244.877 (2023-Oct-27.377)	17.06 ± 0.15	4.91
2460245.871 (2023-Oct-28.371)	16.67 ± 0.08	3.89
2460246.850 (2023-Oct-29.350)	16.66 ± 0.12	4.03
2460246.871 (2023-Oct-29.371)	16.70 ± 0.07	3.92

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