MOA 2021-BLG-054

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb2-R-4-19445
Discovery date:	2021-03-23T14:21:44
RA:	17:52:33.13
Dec:	-34:41:44.93
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
146193	17:52:32.81	-34:41:45.30	18.12 ± 0.23	4.86
146325	17:52:33.05	-34:41:46.05	18.66 ± 0.11	2.45
146362	17:52:33.18	-34:41:44.18	16.81 ± 0.17	0.18
146458	17:52:33.34	-34:41:47.68	15.36 ± 0.03	3.98

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.864 (2023-Oct-29.364)	16.60 ± 0.09	3.54
2460246.904 (2023-Oct-29.404)	16.69 ± 0.12	3.38
2460246.932 (2023-Oct-29.432)	16.42 ± 0.14	3.84
2460246.936 (2023-Oct-29.436)	16.28 ± 0.13	3.68
2460246.939 (2023-Oct-29.439)	16.60 ± 0.20	3.72

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 17282.24)

Single lens fit parameters

t_max	=	JD 2459295.59	±	0.00 UT (2021-Mar-22.09)
t_E	=	7490.47	±	7170.07 days
u₀	=	0.0000	±	0.0009
I_base	=	26.31	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice