MOA 2017-BLG-277

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Event Parameters

Internal ID:	gb3-R-5-32027
Discovery date:	2017-05-23T11:14:52
RA:	17:51:51.33
Dec:	-33:29:58.37
Current assessment:	microlensing

A transient event found by MOA. Possible caustic crossing.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
17636	17:51:51.13	-33:30:00.55	18.22 ± 0.07	4.35
17672	17:51:51.27	-33:29:55.87	18.59 ± 0.09	2.47
17700	17:51:51.39	-33:29:57.48	18.58 ± 0.10	0.45

Last 5 photometry measurements

Observation date	I mag	seeing
2460518.892 (2024-Jul-27.392)	18.56 ± 0.19	3.00
2460518.897 (2024-Jul-27.397)	18.82 ± 0.23	2.92
2460518.910 (2024-Jul-27.410)	18.71 ± 0.29	3.37
2460518.922 (2024-Jul-27.422)	19.32 ± 0.96	3.37
2460519.052 (2024-Jul-27.552)	19.33 ± 0.98	3.57

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 3385.32)

Single lens fit parameters

t_max	=	JD 2457900.85	±	0.01 UT (2017-May-27.35)
t_E	=	16.54	±	0.33 days
u₀	=	0.2298	±	0.0055
I_base	=	18.25	±	0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice