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
2460572.944 (2024-Sep-19.444)	19.14 ± 0.34	4.03
2460572.954 (2024-Sep-19.454)	20.39 ± 1.21	3.75
2460572.966 (2024-Sep-19.466)	99.99 ± 99.99	5.39
2460574.031 (2024-Sep-20.531)	17.83 ± 0.28	4.82
2460575.919 (2024-Sep-22.419)	17.48 ± 0.49	4.67

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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