MOA 2018-BLG-004

Event Parameters

Internal ID:gb8-R-3-27252
Discovery date:2018-01-28T23:06:57
RA:17:57:01.96
Dec:-31:04:39.49
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
4080 17:57:01.80 -31:04:36.89 18.88 ± 0.26 3.39
4102 17:57:01.83 -31:04:42.79 15.16 ± 0.03 4.67
4194 17:57:01.98 -31:04:39.18 16.68 ± 0.11 0.41
4225 17:57:02.03 -31:04:36.68 18.92 ± 0.19 2.33
4255 17:57:02.17 -31:04:40.85 17.52 ± 0.07 3.00

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 16.58 ± 0.04 3.36
2460245.921 (2023-Oct-28.421) 16.73 ± 0.06 3.64
2460246.858 (2023-Oct-29.358) 16.63 ± 0.05 3.46
2460246.891 (2023-Oct-29.391) 16.68 ± 0.05 3.52
2460246.925 (2023-Oct-29.425) 16.67 ± 0.05 3.32

Calibration: I = 27.40 - 2.5 log10(ΔF + 19390.99)

Single lens fit parameters

tmax =JD 2458132.16 ± 2.31 UT (2018-Jan-13.66)
tE =30.38 ± 3.82 days
u0 =0.4190 ± 0.0871
Ibase =16.89 ± 0.30

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice