MOA 2017-BLG-271

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb12-R-9-7316
Discovery date:	2017-05-21T14:25:47
RA:	18:06:44.54
Dec:	-30:39:06.32
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
159667	18:06:44.74	-30:39:07.74	15.42 ± 0.03	3.31
159687	18:06:44.69	-30:39:10.90	18.75 ± 0.13	4.85
159804	18:06:44.45	-30:39:02.83	19.37 ± 0.12	4.27
159955	18:06:44.15	-30:39:06.59	17.34 ± 0.07	4.66

Last 5 photometry measurements

Observation date	I mag	seeing
2460517.126 (2024-Jul-25.626)	99.99 ± 99.99	4.80
2460517.861 (2024-Jul-26.361)	17.94 ± 1.04	4.37
2460518.064 (2024-Jul-26.564)	21.19 ± 3.51	4.04
2460518.816 (2024-Jul-27.316)	19.62 ± 0.98	2.91
2460518.862 (2024-Jul-27.362)	19.06 ± 0.78	2.92

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

Single lens fit parameters

t_max	=	JD 2457908.48	±	0.02 UT (2017-Jun-3.98)
t_E	=	31.56	±	0.85 days
u₀	=	0.0572	±	0.0022
I_base	=	18.54	±	0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice