MOA 2019-BLG-174

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Event Parameters

Internal ID:	gb4-R-5-46494
Discovery date:	2019-04-22T15:14:30
RA:	17:52:49.99
Dec:	-31:51:08.51
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
26990	17:52:49.79	-31:51:09.73	17.47 ± 0.07	3.86
27021	17:52:49.91	-31:51:05.82	18.64 ± 0.12	2.80
27068	17:52:50.03	-31:51:07.40	19.24 ± 0.20	0.57
27123	17:52:50.15	-31:51:11.76	17.51 ± 0.04	4.30

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	19.69 ± 0.67	3.46
2460246.898 (2023-Oct-29.398)	19.16 ± 0.41	3.20
2460246.909 (2023-Oct-29.409)	18.45 ± 0.23	3.40
2460246.920 (2023-Oct-29.420)	18.66 ± 0.36	3.78
2460246.929 (2023-Oct-29.429)	18.95 ± 0.42	3.56

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 1839.92)

Single lens fit parameters

t_max	=	JD 2458598.25	±	0.02 UT (2019-Apr-24.75)
t_E	=	3.92	±	0.17 days
u₀	=	0.3355	±	0.0208
I_base	=	17.22	±	0.20

External data

Gzipped FITS finder chart

All photometry data

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