MOA 2018-BLG-239

Event Parameters

Internal ID:gb18-R-3-18290
Discovery date:2018-07-10T22:23:04
RA:18:11:51.05
Dec:-25:35:51.32
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
181992 18:11:50.83 -25:35:47.77 20.18 ± 0.30 4.80
182052 18:11:50.94 -25:35:51.84 18.23 ± 0.11 2.42
182075 18:11:50.98 -25:35:50.07 18.38 ± 0.06 1.78
182104 18:11:51.05 -25:35:54.40 20.36 ± 0.39 3.84
182105 18:11:51.03 -25:35:46.37 19.23 ± 0.16 4.60
182163 18:11:51.16 -25:35:51.77 18.71 ± 0.09 1.40
182211 18:11:51.26 -25:35:53.60 17.78 ± 0.08 3.78
182262 18:11:51.34 -25:35:49.78 18.01 ± 0.07 3.62
182285 18:11:51.39 -25:35:51.75 18.73 ± 0.07 4.25

Last 5 photometry measurements

Observation dateI magseeing
2460244.901 (2023-Oct-27.401) 18.58 ± 0.20 3.42
2460245.862 (2023-Oct-28.362) 19.11 ± 0.33 3.57
2460245.898 (2023-Oct-28.398) 19.32 ± 0.36 3.19
2460246.861 (2023-Oct-29.361) 18.64 ± 0.23 3.80
2460246.902 (2023-Oct-29.402) 19.65 ± 0.53 3.34

Calibration: I = 27.40 - 2.5 log10(ΔF + 2989.51)

Single lens fit parameters

tmax =JD 2458316.59 ± 0.00 UT (2018-Jul-17.09)
tE =64.22 ± 4.66 days
u0 =0.0013 ± 0.0002
Ibase =20.87 ± 0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice