MOA 2022-BLG-197

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Event Parameters

Internal ID:	gb2-R-6-12618
Discovery date:	2022-04-27T02:12:31
RA:	17:55:52.28
Dec:	-35:17:16.51
Current assessment:	microlensing/cv

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
102938	17:55:52.45	-35:17:14.11	18.92 ± 0.11	4.20
103006	17:55:52.30	-35:17:21.28	17.91 ± 0.08	4.54
103040	17:55:52.18	-35:17:15.71	18.17 ± 0.09	1.63
103131	17:55:51.96	-35:17:17.98	18.00 ± 0.08	3.57

Last 5 photometry measurements

Observation date	I mag	seeing
2460537.011 (2024-Aug-14.511)	20.28 ± 1.09	3.09
2460537.048 (2024-Aug-14.548)	99.99 ± 99.99	4.01
2460537.083 (2024-Aug-14.583)	20.15 ± 1.84	4.41
2460537.120 (2024-Aug-14.620)	99.99 ± 99.99	5.40
2460537.141 (2024-Aug-14.641)	99.99 ± 99.99	5.25

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

Single lens fit parameters

t_max	=	JD 2459698.27	±	0.01 UT (2022-Apr-28.77)
t_E	=	0.37	±	0.57 days
u₀	=	12.1587	±	7.5154
I_base	=	7.50	±	0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice