MOA 2021-BLG-121

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Event Parameters

Internal ID:	gb9-R-4-86457
Discovery date:	2021-05-13T19:51:56
RA:	17:57:07.75
Dec:	-29:40:39.82
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
4640	17:57:07.55	-29:40:42.40	17.78 ± 0.14	4.74
4770	17:57:07.81	-29:40:43.59	15.39 ± 0.04	4.54
4826	17:57:07.77	-29:40:41.27	17.12 ± 0.13	2.14

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.941 (2024-Sep-19.441)	19.93 ± 1.15	3.95
2460572.952 (2024-Sep-19.452)	20.10 ± 1.26	4.04
2460572.964 (2024-Sep-19.464)	99.99 ± 99.99	5.13
2460573.025 (2024-Sep-19.525)	99.99 ± 99.99	5.07
2460575.916 (2024-Sep-22.416)	99.99 ± 99.99	5.18

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459348.50	±	0.02 UT (2021-May-14.00)
t_E	=	53.15	±	11.63 days
u₀	=	0.0088	±	0.0026
I_base	=	21.85	±	0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice