MOA 2020-BLG-190

Event Parameters

Internal ID:gb8-R-9-29984
Discovery date:2020-07-27T19:29:09
RA:18:02:05.31
Dec:-30:39:36.18
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
110574 18:02:05.58 -30:39:34.49 17.97 ± 0.05 4.90
110638 18:02:05.45 -30:39:36.97 15.75 ± 0.04 2.48
110723 18:02:05.31 -30:39:32.13 19.06 ± 0.15 4.86
110724 18:02:05.28 -30:39:40.72 15.88 ± 0.07 4.10
110743 18:02:05.24 -30:39:35.83 15.87 ± 0.18 1.02
110859 18:02:04.97 -30:39:39.65 14.14 ± 0.02 5.00

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 15.77 ± 0.03 3.51
2460245.921 (2023-Oct-28.421) 15.87 ± 0.05 3.61
2460246.858 (2023-Oct-29.358) 15.81 ± 0.03 3.51
2460246.891 (2023-Oct-29.391) 15.94 ± 0.05 3.71
2460246.925 (2023-Oct-29.425) 16.06 ± 0.05 3.41

Calibration: I = 27.40 - 2.5 log10(ΔF + 40926.07)

Single lens fit parameters

tmax =JD 2459058.91 ± 0.02 UT (2020-Jul-28.41)
tE =111787.70 ± 110539.72 days
u0 =0.0000 ± 0.0001
Ibase =30.07 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice