MOA 2018-BLG-280

Event Parameters

Internal ID:gb5-R-4-102415
Discovery date:2018-07-29T12:00:37
RA:17:52:44.63
Dec:-29:39:15.92
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
48049 17:52:44.55 -29:39:17.14 16.48 ± 0.07 2.51
48072 17:52:44.61 -29:39:12.48 15.60 ± 0.04 3.10
48117 17:52:44.68 -29:39:15.20 17.17 ± 0.11 0.17
48190 17:52:44.81 -29:39:16.59 16.18 ± 0.07 2.30
48214 17:52:44.89 -29:39:12.52 14.47 ± 0.03 4.24

Last 5 photometry measurements

Observation dateI magseeing
2460246.848 (2023-Oct-29.348) 17.16 ± 0.12 3.66
2460246.883 (2023-Oct-29.383) 17.48 ± 0.14 3.54
2460246.895 (2023-Oct-29.395) 17.29 ± 0.11 3.33
2460246.905 (2023-Oct-29.405) 17.28 ± 0.13 3.31
2460246.917 (2023-Oct-29.417) 17.45 ± 0.16 3.36

Calibration: I = 27.40 - 2.5 log10(ΔF + 12359.47)

Single lens fit parameters

tmax =JD 2458339.05 ± 0.02 UT (2018-Aug-8.55)
tE =10.42 ± 0.42 days
u0 =0.6615 ± 0.0363
Ibase =16.29 ± 0.32

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice