MOA 2017-BLG-389

Event Parameters

Internal ID:gb8-R-9-19755
Discovery date:2017-07-18T11:55:35
RA:18:00:10.90
Dec:-30:42:16.37
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
163399 18:00:11.13 -30:42:16.67 17.87 ± 0.11 3.63
163400 18:00:11.12 -30:42:18.80 17.75 ± 0.09 4.02
163450 18:00:10.98 -30:42:15.12 16.62 ± 0.08 2.51
163489 18:00:10.91 -30:42:20.82 18.83 ± 0.14 4.06
163512 18:00:10.85 -30:42:16.55 16.29 ± 0.06 0.44
163602 18:00:10.67 -30:42:18.48 15.39 ± 0.07 2.95

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 16.35 ± 0.04 3.44
2460245.921 (2023-Oct-28.421) 16.33 ± 0.05 3.48
2460246.858 (2023-Oct-29.358) 16.29 ± 0.03 3.56
2460246.891 (2023-Oct-29.391) 16.32 ± 0.03 3.56
2460246.925 (2023-Oct-29.425) 16.30 ± 0.04 3.35

Calibration: I = 27.40 - 2.5 log10(ΔF + 27925.44)

Single lens fit parameters

tmax =JD 2457981.16 ± 0.05 UT (2017-Aug-15.66)
tE =1268.20 ± 2.98 days
u0 =0.0051 ± 0.0000
Ibase =22.47 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice