MOA 2021-BLG-267

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Event Parameters

Internal ID:	gb17-R-9-22917
Discovery date:	2021-07-19T18:31:17
RA:	18:14:16.22
Dec:	-27:08:01.73
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
23358	18:14:16.44	-27:07:59.55	18.18 ± 0.08	4.75
23474	18:14:16.22	-27:08:02.01	15.35 ± 0.04	0.68
23588	18:14:16.00	-27:08:03.11	16.01 ± 0.05	2.55
23652	18:14:15.87	-27:08:00.57	16.17 ± 0.21	4.59

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.899 (2023-Oct-28.399)	15.30 ± 0.01	3.16
2460245.931 (2023-Oct-28.431)	15.26 ± 0.02	3.39
2460246.862 (2023-Oct-29.362)	15.33 ± 0.02	3.62
2460246.903 (2023-Oct-29.403)	15.30 ± 0.02	3.41
2460246.931 (2023-Oct-29.431)	15.25 ± 0.02	3.84

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 66191.16)

Single lens fit parameters

t_max	=	JD 2459428.86	±	0.07 UT (2021-Aug-2.36)
t_E	=	3.51	±	9.74 days
u₀	=	13.1281	±	9.8992
I_base	=	7.15	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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