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
2460567.999 (2024-Sep-14.499) 17.28 ± 0.13 3.56
2460568.011 (2024-Sep-14.511) 17.42 ± 0.17 3.78
2460568.021 (2024-Sep-14.521) 17.46 ± 0.38 3.49
2460568.033 (2024-Sep-14.533) 17.08 ± 0.20 3.61
2460568.043 (2024-Sep-14.543) 19.10 ± 1.98 3.45

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