MOA 2018-BLG-139

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb14-R-8-80989
Discovery date:	2018-05-02T15:27:00
RA:	18:08:01.63
Dec:	-27:39:01.87
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
122359	18:08:01.91	-27:39:02.84	16.14 ± 0.15	4.47
122645	18:08:01.38	-27:38:59.97	16.72 ± 0.15	3.84
122713	18:08:01.23	-27:39:01.85	16.47 ± 0.07	4.99

Last 5 photometry measurements

Observation date	I mag	seeing
2460599.917 (2024-Oct-16.417)	20.27 ± 1.02	3.13
2460599.929 (2024-Oct-16.429)	99.99 ± 99.99	2.99
2460599.940 (2024-Oct-16.440)	99.99 ± 99.99	3.09
2460599.951 (2024-Oct-16.451)	20.60 ± 1.46	3.03
2460599.961 (2024-Oct-16.461)	22.67 ± 12.03	3.33

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

Single lens fit parameters

t_max	=	JD 2458242.99	±	0.09 UT (2018-May-4.49)
t_E	=	16.97	±	1.68 days
u₀	=	0.2424	±	0.0452
I_base	=	19.53	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice