MOA 2017-BLG-438

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb1-R-6-16590
Discovery date:	2017-08-24T12:47:07
RA:	17:48:19.65
Dec:	-34:57:21.08
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
153817	17:48:19.77	-34:57:24.23	15.91 ± 0.04	3.46
153899	17:48:19.59	-34:57:20.50	14.76 ± 0.03	1.25

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.905 (2024-Oct-27.405)	14.77 ± 0.01	5.02
2460610.936 (2024-Oct-27.436)	14.80 ± 0.01	4.66
2460611.881 (2024-Oct-28.381)	14.80 ± 0.01	3.98
2460611.917 (2024-Oct-28.417)	14.82 ± 0.01	4.88
2460614.881 (2024-Oct-31.381)	14.79 ± 0.01	4.63

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 113658.00)

Single lens fit parameters

t_max	=	JD 2457996.22	±	0.09 UT (2017-Aug-30.72)
t_E	=	27.51	±	1.68 days
u₀	=	0.3014	±	0.0282
I_base	=	18.14	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice