MOA 2019-BLG-022

Event Parameters

Internal ID:gb16-R-3-18268
Discovery date:2019-02-10T19:51:20
RA:18:11:22.32
Dec:-29:11:27.14
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
174258 18:11:22.16 -29:11:27.81 17.94 ± 0.11 3.00
174284 18:11:22.20 -29:11:25.85 18.21 ± 0.11 2.30
174312 18:11:22.24 -29:11:22.26 17.90 ± 0.13 4.71
174356 18:11:22.36 -29:11:26.51 16.60 ± 0.05 0.05
174404 18:11:22.43 -29:11:30.54 18.09 ± 0.12 4.21
174430 18:11:22.49 -29:11:27.49 16.47 ± 0.09 2.00
174475 18:11:22.57 -29:11:28.92 16.61 ± 0.10 3.72
174502 18:11:22.59 -29:11:25.95 16.69 ± 0.11 3.11

Last 5 photometry measurements

Observation dateI magseeing
2460245.910 (2023-Oct-28.410) 16.57 ± 0.04 2.99
2460245.939 (2023-Oct-28.439) 16.54 ± 0.07 3.38
2460246.866 (2023-Oct-29.366) 16.59 ± 0.04 3.42
2460246.913 (2023-Oct-29.413) 16.56 ± 0.05 3.09
2460246.937 (2023-Oct-29.437) 16.69 ± 0.08 3.78

Calibration: I = 27.40 - 2.5 log10(ΔF + 20931.48)

Single lens fit parameters

tmax =JD 2458562.08 ± 0.02 UT (2019-Mar-19.58)
tE =32.51 ± 0.33 days
u0 =0.3203 ± 0.0051
Ibase =16.31 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice