MOA 2022-BLG-221

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-5-246947
Discovery date:	2022-05-04T01:59:41
RA:	17:53:55.50
Dec:	-29:55:29.03
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
148213	17:53:55.35	-29:55:28.56	15.24 ± 0.07	2.61
148428	17:53:55.80	-29:55:30.93	16.81 ± 0.08	4.23

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	99.99 ± 99.99	3.67
2460246.883 (2023-Oct-29.383)	99.99 ± 99.99	3.48
2460246.895 (2023-Oct-29.395)	99.99 ± 99.99	3.30
2460246.905 (2023-Oct-29.405)	99.99 ± 99.99	3.28
2460246.917 (2023-Oct-29.417)	99.99 ± 99.99	3.16

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

Single lens fit parameters

t_max	=	JD 2459702.36	±	0.01 UT (2022-May-2.86)
t_E	=	106.55	±	46.65 days
u₀	=	0.0011	±	0.0009
I_base	=	24.66	±	0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice