MOA 2017-BLG-448

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Event Parameters

Internal ID:	gb10-R-8-62577
Discovery date:	2017-09-04T01:00:07
RA:	18:00:50.76
Dec:	-27:23:27.43
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
70640	18:00:50.82	-27:23:28.87	17.46 ± 0.09	1.76
70663	18:00:50.80	-27:23:24.21	17.70 ± 0.14	4.11
70689	18:00:50.75	-27:23:27.70	16.56 ± 0.08	0.57
70788	18:00:50.57	-27:23:30.09	15.68 ± 0.10	2.89
70915	18:00:50.40	-27:23:29.28	18.45 ± 0.18	4.55

Last 5 photometry measurements

Observation date	I mag	seeing
2460518.908 (2024-Jul-27.408)	16.48 ± 0.05	3.33
2460518.920 (2024-Jul-27.420)	16.39 ± 0.07	3.35
2460518.930 (2024-Jul-27.430)	16.56 ± 0.36	2.51
2460519.046 (2024-Jul-27.546)	16.43 ± 0.04	2.83
2460519.050 (2024-Jul-27.550)	16.56 ± 0.11	3.43

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 21677.04)

Single lens fit parameters

t_max	=	JD 2458017.12	±	0.32 UT (2017-Sep-20.62)
t_E	=	70.17	±	3.79 days
u₀	=	0.7813	±	0.0651
I_base	=	17.56	±	0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice