MOA 2017-BLG-187

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb10-R-3-51783
Discovery date:	2017-04-20T18:05:30
RA:	17:59:01.67
Dec:	-27:31:04.87
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
58602	17:59:01.38	-27:31:04.52	19.55 ± 0.29	4.66
58754	17:59:01.66	-27:31:08.52	18.87 ± 0.17	4.45
58787	17:59:01.69	-27:31:02.53	15.44 ± 0.06	1.85
58847	17:59:01.82	-27:31:08.39	17.75 ± 0.12	4.49

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.852 (2023-Oct-29.352)	18.33 ± 0.31	3.44
2460246.886 (2023-Oct-29.386)	19.61 ± 0.97	3.48
2460246.897 (2023-Oct-29.397)	19.10 ± 0.62	2.98
2460246.908 (2023-Oct-29.408)	18.46 ± 0.34	3.45
2460246.919 (2023-Oct-29.419)	19.10 ± 0.98	3.92

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

Single lens fit parameters

t_max	=	JD 2457865.65	±	0.07 UT (2017-Apr-22.15)
t_E	=	99.15	±	42.27 days
u₀	=	0.0124	±	0.0108
I_base	=	23.00	±	0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice