MOA 2019-BLG-227

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-6-127278
Discovery date:	2019-05-23T14:09:40
RA:	17:56:36.97
Dec:	-29:51:10.80
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
10447	17:56:37.12	-29:51:11.67	16.64 ± 0.04	2.64
10478	17:56:37.04	-29:51:08.93	17.14 ± 0.06	2.99
10537	17:56:36.92	-29:51:11.06	16.62 ± 0.05	0.36

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	16.47 ± 0.08	5.06
2460573.023 (2024-Sep-19.523)	16.57 ± 0.06	4.73
2460575.899 (2024-Sep-22.399)	16.41 ± 0.04	4.42
2460575.902 (2024-Sep-22.402)	16.50 ± 0.11	4.77
2460575.915 (2024-Sep-22.415)	16.71 ± 0.11	4.77

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 20492.74)

Single lens fit parameters

t_max	=	JD 2458635.63	±	0.02 UT (2019-Jun-1.13)
t_E	=	24.97	±	0.29 days
u₀	=	0.3490	±	0.0070
I_base	=	17.22	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice