MOA 2019-BLG-255

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Event Parameters

Internal ID:	gb1-R-8-12981
Discovery date:	2019-06-11T07:31:53
RA:	17:48:47.36
Dec:	-34:20:12.52
Current assessment:	microlensing/cv

Looks like a CV

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
167764	17:48:47.61	-34:20:10.47	16.02 ± 0.10	4.63
167845	17:48:47.44	-34:20:17.23	15.46 ± 0.04	4.54
167870	17:48:47.41	-34:20:15.70	15.87 ± 0.07	2.92
167898	17:48:47.36	-34:20:10.30	18.66 ± 0.14	2.97
167947	17:48:47.26	-34:20:08.94	18.46 ± 0.18	4.38
168050	17:48:47.07	-34:20:12.93	17.46 ± 0.09	3.09

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.938 (2024-Sep-19.438)	99.99 ± 99.99	3.94
2460573.010 (2024-Sep-19.510)	99.99 ± 99.99	4.64
2460573.014 (2024-Sep-19.514)	18.69 ± 2.51	4.26
2460574.026 (2024-Sep-20.526)	20.11 ± 1.54	4.47
2460575.925 (2024-Sep-22.425)	99.99 ± 99.99	5.71

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

Single lens fit parameters

t_max	=	JD 2458653.93	±	0.01 UT (2019-Jun-19.43)
t_E	=	0.75	±	1.00 days
u₀	=	12.7457	±	7.4327
I_base	=	6.75	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice