MOA 2022-BLG-519

Event Parameters

Internal ID:gb3-R-5-45567
Discovery date:2022-09-17T16:56:25
RA:17:53:47.05
Dec:-33:18:42.79
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
128291 17:53:46.95 -33:18:40.55 15.70 ± 0.05 2.59
128292 17:53:46.97 -33:18:38.50 16.06 ± 0.04 4.21
128316 17:53:46.98 -33:18:45.44 15.95 ± 0.07 3.70
128396 17:53:47.14 -33:18:43.48 18.77 ± 0.09 1.47
128397 17:53:47.17 -33:18:38.46 16.22 ± 0.04 4.06
128438 17:53:47.28 -33:18:40.49 17.99 ± 0.08 3.06

Last 5 photometry measurements

Observation dateI magseeing
2460246.899 (2023-Oct-29.399) 18.54 ± 0.24 3.05
2460246.910 (2023-Oct-29.410) 18.54 ± 0.24 3.21
2460246.922 (2023-Oct-29.422) 18.26 ± 0.17 3.70
2460246.930 (2023-Oct-29.430) 18.79 ± 0.35 3.56
2460246.933 (2023-Oct-29.433) 18.23 ± 0.24 3.68

Calibration: I = 27.40 - 2.5 log10(ΔF + 2823.58)

Single lens fit parameters

tmax =JD 2459839.57 ± 0.02 UT (2022-Sep-17.07)
tE =247.68 ± 76.71 days
u0 =0.0067 ± 0.0031
Ibase =22.93 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice