MOA 2020-BLG-267

Event Parameters

Internal ID:gb4-R-3-77427
Discovery date:2020-09-19T12:19:19
RA:17:52:22.50
Dec:-30:59:47.23
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
34928 17:52:22.21 -30:59:48.61 16.93 ± 0.08 4.99
34955 17:52:22.27 -30:59:46.49 14.67 ± 0.04 3.74
35006 17:52:22.38 -30:59:48.96 17.65 ± 0.12 3.29
35042 17:52:22.49 -30:59:42.20 17.04 ± 0.09 4.65
35110 17:52:22.59 -30:59:46.46 15.90 ± 0.17 0.62
35176 17:52:22.77 -30:59:47.61 15.60 ± 0.06 3.20
35198 17:52:22.83 -30:59:45.80 15.61 ± 0.05 3.86

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 15.96 ± 0.05 3.38
2460246.898 (2023-Oct-29.398) 16.00 ± 0.05 3.07
2460246.909 (2023-Oct-29.409) 16.08 ± 0.06 3.38
2460246.920 (2023-Oct-29.420) 16.00 ± 0.06 3.59
2460246.929 (2023-Oct-29.429) 16.14 ± 0.08 3.60

Calibration: I = 27.40 - 2.5 log10(ΔF + 39957.66)

Single lens fit parameters

tmax =JD 2459116.35 ± 0.04 UT (2020-Sep-23.85)
tE =7.53 ± 0.41 days
u0 =0.2091 ± 0.0164
Ibase =16.26 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice