MOA 2021-BLG-285

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-5-237168
Discovery date:	2021-07-27T13:38:46
RA:	17:53:50.43
Dec:	-29:51:12.39
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
145838	17:53:50.37	-29:51:08.72	18.25 ± 0.21	3.53
145874	17:53:50.43	-29:51:07.10	16.84 ± 0.11	4.99
145892	17:53:50.45	-29:51:14.16	15.10 ± 0.08	2.49
145947	17:53:50.61	-29:51:11.78	16.64 ± 0.11	1.83
145972	17:53:50.65	-29:51:09.43	16.54 ± 0.10	3.46

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	19.00 ± 0.90	4.78
2460573.023 (2024-Sep-19.523)	99.99 ± 99.99	4.91
2460575.899 (2024-Sep-22.399)	18.72 ± 0.43	4.29
2460575.902 (2024-Sep-22.402)	19.40 ± 2.66	5.28
2460575.915 (2024-Sep-22.415)	18.30 ± 0.71	4.80

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

Single lens fit parameters

t_max	=	JD 2459423.63	±	0.01 UT (2021-Jul-28.13)
t_E	=	12287.19	±	10776.50 days
u₀	=	0.0001	±	0.0010
I_base	=	26.53	±	0.29

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice