MOA 2018-BLG-227

Event Parameters

Internal ID:gb10-R-4-41450
Discovery date:2018-07-07T12:29:20
RA:17:59:09.13
Dec:-27:43:02.78
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
156106 17:59:08.89 -27:43:04.54 18.84 ± 0.15 4.59
156162 17:59:08.97 -27:43:03.26 18.39 ± 0.10 3.06
156236 17:59:09.10 -27:43:02.84 19.48 ± 0.17 1.20
156263 17:59:09.16 -27:42:58.44 18.28 ± 0.16 3.89
156322 17:59:09.25 -27:43:06.34 16.90 ± 0.12 4.41
156377 17:59:09.36 -27:43:02.37 19.56 ± 0.24 2.56
156455 17:59:09.45 -27:43:00.69 17.29 ± 0.08 4.03

Last 5 photometry measurements

Observation dateI magseeing
2460537.101 (2024-Aug-14.601) 18.20 ± 0.76 5.27
2460537.113 (2024-Aug-14.613) 17.62 ± 0.56 5.42
2460537.123 (2024-Aug-14.623) 16.46 ± 0.50 5.95
2460538.892 (2024-Aug-16.392) 18.44 ± 0.62 4.04
2460538.901 (2024-Aug-16.401) 18.03 ± 0.57 4.64

Calibration: I = 27.40 - 2.5 log10(ΔF + 1466.90)

Single lens fit parameters

tmax =JD 2458307.40 ± 0.01 UT (2018-Jul-7.90)
tE =18.47 ± 1.16 days
u0 =0.0256 ± 0.0027
Ibase =19.94 ± 0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice