MOA 2023-BLG-219

Event Parameters

Internal ID:gb3-R-4-31113
Discovery date:2023-05-27T14:59:46
RA:17:53:49.63
Dec:-33:12:51.86
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
76721 17:53:49.41 -33:12:52.40 19.14 ± 0.21 3.73
76759 17:53:49.46 -33:12:54.95 16.53 ± 0.06 4.75
76760 17:53:49.48 -33:12:49.04 16.95 ± 0.08 3.50
76809 17:53:49.58 -33:12:55.71 16.29 ± 0.07 4.78
76862 17:53:49.68 -33:12:51.68 18.97 ± 0.13 0.42
76887 17:53:49.72 -33:12:49.81 19.45 ± 0.21 1.61
76926 17:53:49.79 -33:12:53.70 19.80 ± 0.30 2.88
76961 17:53:49.88 -33:12:51.70 18.60 ± 0.13 2.59
77000 17:53:49.96 -33:12:48.12 17.85 ± 0.18 4.93

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 19.39 ± 0.43 3.02
2460246.910 (2023-Oct-29.410) 20.32 ± 1.00 3.23
2460246.922 (2023-Oct-29.422) 18.82 ± 0.38 3.66
2460246.930 (2023-Oct-29.430) 18.48 ± 0.27 3.33
2460246.933 (2023-Oct-29.433) 18.54 ± 0.38 3.66

Calibration: I = 27.40 - 2.5 log10(ΔF + 2363.74)

Single lens fit parameters

tmax =JD 2460092.75 ± 0.02 UT (2023-May-28.25)
tE =20.69 ± 0.30 days
u0 =0.1724 ± 0.0041
Ibase =18.83 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice