MOA 2018-BLG-254

Event Parameters

Internal ID:gb5-R-6-120234
Discovery date:2018-07-17T08:07:15
RA:17:56:16.77
Dec:-29:52:29.43
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
17967 17:56:16.97 -29:52:26.63 18.45 ± 0.20 4.89
18029 17:56:16.84 -29:52:32.05 15.09 ± 0.06 2.74
18096 17:56:16.67 -29:52:33.61 17.99 ± 0.14 3.82
18139 17:56:16.53 -29:52:28.49 18.04 ± 0.12 3.12
18155 17:56:16.48 -29:52:32.24 15.53 ± 0.06 4.01

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 18.30 ± 0.76 3.77
2460246.883 (2023-Oct-29.383) 19.10 ± 0.82 3.53
2460246.895 (2023-Oct-29.395) 19.92 ± 1.78 3.53
2460246.905 (2023-Oct-29.405) 18.60 ± 0.50 3.32
2460246.917 (2023-Oct-29.417) 17.50 ± 0.21 3.39

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2458319.81 ± 0.06 UT (2018-Jul-20.31)
tE =55.71 ± 4.36 days
u0 =0.0447 ± 0.0043
Ibase =19.98 ± 0.26

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice