MOA 2021-BLG-180

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-10-140734
Discovery date:	2021-06-10T22:15:22
RA:	17:56:00.80
Dec:	-28:37:08.98
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
83191	17:56:01.01	-28:37:09.68	16.39 ± 0.10	3.57
83207	17:56:00.98	-28:37:06.95	16.59 ± 0.04	4.16
83286	17:56:00.82	-28:37:10.36	16.97 ± 0.04	1.24
83392	17:56:00.56	-28:37:09.66	17.44 ± 0.07	2.64

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	16.49 ± 0.18	4.93
2460573.023 (2024-Sep-19.523)	16.54 ± 0.21	5.08
2460575.899 (2024-Sep-22.399)	16.71 ± 0.12	4.39
2460575.902 (2024-Sep-22.402)	16.24 ± 0.15	4.85
2460575.915 (2024-Sep-22.415)	16.39 ± 0.20	4.89

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 14804.71)

Single lens fit parameters

t_max	=	JD 2459396.76	±	0.10 UT (2021-Jul-1.26)
t_E	=	39.73	±	0.96 days
u₀	=	0.0356	±	0.0005
I_base	=	17.55	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice