MOA 2017-BLG-027

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb2-R-5-20923
Discovery date:	2017-02-16T17:51:59
RA:	17:53:51.97
Dec:	-35:10:08.79
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
150154	17:53:51.67	-35:10:06.65	17.79 ± 0.12	4.62
150172	17:53:51.72	-35:10:10.75	15.43 ± 0.06	4.56
150326	17:53:52.06	-35:10:08.20	17.98 ± 0.11	0.61
150414	17:53:52.26	-35:10:10.76	18.81 ± 0.18	4.16

Last 5 photometry measurements

Observation date	I mag	seeing
2460564.048 (2024-Sep-10.548)	18.19 ± 0.22	4.32
2460564.067 (2024-Sep-10.567)	18.52 ± 0.58	4.76
2460567.967 (2024-Sep-14.467)	18.89 ± 0.68	4.52
2460568.020 (2024-Sep-14.520)	18.00 ± 0.36	3.86
2460568.050 (2024-Sep-14.550)	17.59 ± 0.29	3.39

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 5839.83)

Single lens fit parameters

t_max	=	JD 2457800.45	±	0.01 UT (2017-Feb-15.95)
t_E	=	11575.99	±	10592.29 days
u₀	=	0.0001	±	0.0007
I_base	=	27.53	±	0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice