MOA 2021-BLG-199

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb14-R-4-91482
Discovery date:	2021-06-21T16:03:15
RA:	18:03:08.24
Dec:	-27:59:45.76
Current assessment:	microlensing/cv

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
3928	18:03:08.04	-27:59:44.63	16.15 ± 0.04	3.51
3947	18:03:08.08	-27:59:48.98	15.64 ± 0.06	4.91
3948	18:03:08.09	-27:59:42.55	16.08 ± 0.06	3.84

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.894 (2024-Sep-19.394)	19.21 ± 0.69	4.33
2460572.934 (2024-Sep-19.434)	18.58 ± 0.53	4.25
2460572.946 (2024-Sep-19.446)	99.99 ± 99.99	4.37
2460572.957 (2024-Sep-19.457)	18.22 ± 0.65	4.97
2460575.921 (2024-Sep-22.421)	99.99 ± 99.99	4.79

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

Single lens fit parameters

t_max	=	JD 2459386.26	±	0.11 UT (2021-Jun-20.76)
t_E	=	2.20	±	1.29 days
u₀	=	0.3985	±	0.2282
I_base	=	17.95	±	0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice