MOA 2021-BLG-451

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Event Parameters

Internal ID:	gb5-R-8-125054
Discovery date:	2021-10-21T13:04:26
RA:	17:57:03.29
Dec:	-29:07:53.35
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
1342	17:57:03.59	-29:07:52.30	16.44 ± 0.04	5.00
1355	17:57:03.58	-29:07:55.77	18.96 ± 0.16	4.99
1435	17:57:03.39	-29:07:51.96	15.80 ± 0.03	2.89
1472	17:57:03.31	-29:07:53.82	17.83 ± 0.08	0.86
1473	17:57:03.30	-29:07:56.70	18.98 ± 0.47	2.95
1543	17:57:03.10	-29:07:56.46	16.23 ± 0.04	3.26

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	17.79 ± 0.17	3.85
2460246.883 (2023-Oct-29.383)	18.08 ± 0.14	3.50
2460246.895 (2023-Oct-29.395)	17.79 ± 0.12	3.41
2460246.905 (2023-Oct-29.405)	17.70 ± 0.12	3.36
2460246.917 (2023-Oct-29.417)	17.94 ± 0.15	3.42

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 6742.17)

Single lens fit parameters

t_max	=	JD 2459508.74	±	0.00 UT (2021-Oct-21.24)
t_E	=	37151.33	±	36664.57 days
u₀	=	0.0000	±	0.0000
I_base	=	30.14	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice