MOA 2020-BLG-238

Event Parameters

Internal ID:gb21-R-7-2669
Discovery date:2020-08-27T19:57:27
RA:18:18:54.02
Dec:-22:25:19.31
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
164458 18:18:54.18 -22:25:21.91 18.72 ± 0.16 3.64
164531 18:18:54.10 -22:25:16.74 16.89 ± 0.11 3.72
164596 18:18:53.97 -22:25:19.51 16.02 ± 0.03 0.41
164597 18:18:53.97 -22:25:23.20 18.64 ± 0.14 3.43
164742 18:18:53.71 -22:25:20.11 15.92 ± 0.03 3.86

Last 5 photometry measurements

Observation dateI magseeing
2460599.873 (2024-Oct-16.373) 15.98 ± 0.02 2.39
2460599.952 (2024-Oct-16.452) 16.01 ± 0.03 3.21
2460602.896 (2024-Oct-19.396) 16.05 ± 0.02 3.38
2460610.886 (2024-Oct-27.386) 16.15 ± 0.05 5.20
2460614.891 (2024-Oct-31.391) 16.46 ± 0.09 5.31

Calibration: I = 27.40 - 2.5 log10(ΔF + 35743.74)

Single lens fit parameters

tmax =JD 2459135.55 ± 1.18 UT (2020-Oct-13.05)
tE =36862.03 ± 34860.26 days
u0 =0.0011 ± 0.0196
Ibase =25.48 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice