MOA 2021-BLG-198

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Event Parameters

Internal ID:	gb9-R-2-202034
Discovery date:	2021-06-21T14:38:44
RA:	17:57:09.13
Dec:	-28:55:32.02
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
2268	17:57:08.93	-28:55:33.53	15.38 ± 0.03	3.95
2296	17:57:09.02	-28:55:30.50	15.94 ± 0.09	2.29
2301	17:57:09.08	-28:55:28.36	13.97 ± 0.02	3.44
2347	17:57:09.23	-28:55:32.07	16.07 ± 0.04	1.03
2382	17:57:09.36	-28:55:32.13	16.48 ± 0.06	2.66

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.941 (2024-Sep-19.441)	16.01 ± 0.02	3.90
2460572.952 (2024-Sep-19.452)	16.05 ± 0.02	3.94
2460572.964 (2024-Sep-19.464)	15.73 ± 0.08	5.13
2460573.025 (2024-Sep-19.525)	15.91 ± 0.06	4.92
2460575.916 (2024-Sep-22.416)	15.60 ± 0.06	5.23

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 34040.82)

Single lens fit parameters

t_max	=	JD 2459387.38	±	0.04 UT (2021-Jun-21.88)
t_E	=	0.96	±	1.45 days
u₀	=	5.8733	±	3.8369
I_base	=	9.04	±	0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice