MOA 2022-BLG-020

Event Parameters

Internal ID:gb16-R-4-20481
Discovery date:2022-02-17T21:23:30
RA:18:10:30.32
Dec:-29:33:24.54
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
141419 18:10:30.10 -29:33:21.69 14.66 ± 0.04 4.32
141605 18:10:30.40 -29:33:28.24 18.72 ± 0.14 4.46
141652 18:10:30.46 -29:33:23.47 14.64 ± 0.15 1.43
141673 18:10:30.55 -29:33:27.44 18.75 ± 0.13 4.40
141711 18:10:30.61 -29:33:25.68 18.74 ± 0.15 3.70

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 14.64 ± 0.03 3.06
2460245.939 (2023-Oct-28.439) 14.66 ± 0.03 3.54
2460246.866 (2023-Oct-29.366) 14.63 ± 0.02 3.40
2460246.913 (2023-Oct-29.413) 14.66 ± 0.03 3.18
2460246.937 (2023-Oct-29.437) 14.65 ± 0.02 3.76

Calibration: I = 27.40 - 2.5 log10(ΔF + 127057.41)

Single lens fit parameters

tmax =JD 2459608.60 ± 1.01 UT (2022-Jan-29.10)
tE =6.08 ± 0.21 days
u0 =11.6003 ± 0.4384
Ibase =6.58 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice