MOA 2020-BLG-246

Event Parameters

Internal ID:gb8-R-7-12624
Discovery date:2020-09-03T10:20:31
RA:18:02:01.11
Dec:-31:19:49.76
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
31962 18:02:01.37 -31:19:48.26 18.69 ± 0.16 4.54
31963 18:02:01.38 -31:19:50.21 18.22 ± 0.10 4.13
32088 18:02:01.07 -31:19:46.41 16.23 ± 0.07 4.09
32112 18:02:01.05 -31:19:54.24 16.46 ± 0.07 4.04
32141 18:02:01.01 -31:19:50.93 18.62 ± 0.08 1.00
32180 18:02:00.92 -31:19:48.40 19.37 ± 0.23 2.88
32181 18:02:00.94 -31:19:52.78 18.52 ± 0.06 3.04

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 18.51 ± 0.27 3.39
2460245.921 (2023-Oct-28.421) 18.51 ± 0.43 3.37
2460246.858 (2023-Oct-29.358) 19.13 ± 0.40 3.51
2460246.891 (2023-Oct-29.391) 18.19 ± 0.23 3.62
2460246.925 (2023-Oct-29.425) 17.90 ± 0.20 3.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 3262.87)

Single lens fit parameters

tmax =JD 2459096.91 ± 0.01 UT (2020-Sep-4.41)
tE =13.85 ± 0.91 days
u0 =0.0001 ± 0.0090
Ibase =19.92 ± 0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice