MOA 2017-BLG-157

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb23-R-8-1969
Discovery date:	2017-04-08T16:09:47
RA:	17:37:02.09
Dec:	-27:13:08.24
Current assessment:	microlensing

A transient event found by MOA. Possibly a binary lens event.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation

Last 5 photometry measurements

Observation date	I mag	seeing
2460570.919 (2024-Sep-17.419)	21.80 ± 6.03	3.95
2460570.952 (2024-Sep-17.452)	20.02 ± 1.68	3.18
2460570.993 (2024-Sep-17.493)	99.99 ± 99.99	4.05
2460572.899 (2024-Sep-19.399)	19.53 ± 0.61	3.50
2460572.939 (2024-Sep-19.439)	18.85 ± 0.38	4.09

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

Single lens fit parameters

t_max	=	JD 2457850.82	±	0.03 UT (2017-Apr-7.32)
t_E	=	0.36	±	0.82 days
u₀	=	9.6888	±	6.9927
I_base	=	8.22	±	0.00

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice