MOA 2020-BLG-254

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-9-152844
Discovery date:	2020-09-07T18:28:12
RA:	17:54:07.97
Dec:	-29:01:16.42
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
166334	17:54:08.13	-29:01:14.49	17.52 ± 0.22	3.81
166380	17:54:07.97	-29:01:12.87	15.43 ± 0.07	4.34
166413	17:54:07.94	-29:01:16.84	18.18 ± 0.17	0.31

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.907 (2024-Oct-28.407)	15.79 ± 0.37	5.08
2460611.918 (2024-Oct-28.418)	14.56 ± 0.21	5.59
2460614.862 (2024-Oct-31.362)	15.07 ± 0.17	6.04
2460614.868 (2024-Oct-31.368)	15.26 ± 0.22	5.35
2460614.872 (2024-Oct-31.372)	16.99 ± 0.36	4.70

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4893.28)

Single lens fit parameters

t_max	=	JD 2459099.88	±	0.00 UT (2020-Sep-7.38)
t_E	=	3539.92	±	2924.69 days
u₀	=	0.0000	±	0.0001
I_base	=	27.93	±	0.34

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice