MOA 2019-BLG-322

Event Parameters

Internal ID:gb20-R-2-9118
Discovery date:2019-07-12T12:40:43
RA:18:17:55.82
Dec:-23:19:21.38
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
159097 18:17:55.58 -23:19:20.30 19.49 ± 0.12 4.13
159200 18:17:55.81 -23:19:23.36 16.73 ± 0.04 2.79
159224 18:17:55.86 -23:19:20.95 18.40 ± 0.14 0.17
159396 18:17:56.18 -23:19:21.92 17.81 ± 0.04 4.63

Last 5 photometry measurements

Observation dateI magseeing
2460239.942 (2023-Oct-22.442) 18.75 ± 0.15 3.51
2460244.877 (2023-Oct-27.377) 18.20 ± 0.11 4.46
2460245.871 (2023-Oct-28.371) 18.56 ± 0.09 3.33
2460246.850 (2023-Oct-29.350) 18.45 ± 0.14 3.56
2460246.871 (2023-Oct-29.371) 18.45 ± 0.09 3.45

Calibration: I = 27.40 - 2.5 log10(ΔF + 3977.41)

Single lens fit parameters

tmax =JD 2458676.99 ± 0.00 UT (2019-Jul-12.49)
tE =16183.13 ± 14190.65 days
u0 =0.0000 ± 0.0001
Ibase =27.30 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice