MOA 2019-BLG-278

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Event Parameters

Internal ID:	gb5-R-8-99269
Discovery date:	2019-06-23T20:13:28
RA:	17:54:55.46
Dec:	-29:17:01.05
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
152455	17:54:55.48	-29:17:06.06	17.73 ± 0.08	4.65
152606	17:54:55.25	-29:17:00.70	16.56 ± 0.20	2.54
152622	17:54:55.17	-29:17:04.17	16.44 ± 0.07	4.25
152645	17:54:55.12	-29:16:58.75	16.32 ± 0.06	4.98

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	99.99 ± 99.99	4.70
2460573.023 (2024-Sep-19.523)	99.99 ± 99.99	4.81
2460575.899 (2024-Sep-22.399)	19.20 ± 0.52	4.11
2460575.902 (2024-Sep-22.402)	99.99 ± 99.99	4.60
2460575.915 (2024-Sep-22.415)	17.99 ± 0.46	4.63

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

Single lens fit parameters

t_max	=	JD 2458664.64	±	0.02 UT (2019-Jun-30.14)
t_E	=	33.71	±	0.86 days
u₀	=	0.2067	±	0.0078
I_base	=	19.06	±	0.30

External data

Gzipped FITS finder chart

All photometry data

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