MOA 2017-BLG-461

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb19-R-3-8693
Discovery date:	2017-09-04T01:06:08
RA:	18:17:10.98
Dec:	-25:32:27.73
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
67787	18:17:10.77	-25:32:30.31	18.54 ± 0.19	4.88
67939	18:17:11.02	-25:32:26.96	15.31 ± 0.03	0.22
67940	18:17:10.99	-25:32:24.53	17.03 ± 0.11	2.73
68006	18:17:11.12	-25:32:29.20	18.16 ± 0.10	2.51

Last 5 photometry measurements

Observation date	I mag	seeing
2460517.893 (2024-Jul-26.393)	15.24 ± 0.04	3.58
2460518.068 (2024-Jul-26.568)	15.28 ± 0.03	4.51
2460518.819 (2024-Jul-27.319)	15.30 ± 0.01	2.69
2460518.893 (2024-Jul-27.393)	15.29 ± 0.01	2.60
2460518.901 (2024-Jul-27.401)	15.27 ± 0.02	2.96

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 68611.99)

Single lens fit parameters

t_max	=	JD 2458054.12	±	2.22 UT (2017-Oct-27.62)
t_E	=	16.36	±	35.14 days
u₀	=	6.5785	±	4.8624
I_base	=	10.42	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice