MOA 2023-BLG-228

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb14-R-3-90614
Discovery date:	2023-06-06T18:02:33
RA:	18:04:24.41
Dec:	-27:19:36.44
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
153206	18:04:24.18	-27:19:36.35	15.61 ± 0.06	3.94
153342	18:04:24.39	-27:19:32.68	18.71 ± 0.34	3.40
153370	18:04:24.42	-27:19:37.11	18.97 ± 0.27	1.39
153573	18:04:24.80	-27:19:34.32	15.78 ± 0.15	4.90

Last 5 photometry measurements

Observation date	I mag	seeing
2460466.279 (2024-Jun-4.779)	18.59 ± 0.34	2.35
2460466.841 (2024-Jun-5.341)	19.98 ± 2.61	4.81
2460466.855 (2024-Jun-5.355)	99.99 ± 99.99	4.60
2460466.867 (2024-Jun-5.367)	99.99 ± 99.99	4.64
2460466.878 (2024-Jun-5.378)	18.37 ± 2.26	4.72

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2348.55)

Single lens fit parameters

t_max	=	JD 2460105.83	±	0.01 UT (2023-Jun-10.33)
t_E	=	12.22	±	0.45 days
u₀	=	0.0574	±	0.0025
I_base	=	19.39	±	0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice