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
2460246.852 (2023-Oct-29.352) 18.72 ± 0.37 4.37
2460246.886 (2023-Oct-29.386) 19.47 ± 0.68 4.41
2460246.897 (2023-Oct-29.397) 20.58 ± 1.69 4.05
2460246.908 (2023-Oct-29.408) 19.69 ± 1.01 4.35
2460246.919 (2023-Oct-29.419) 19.09 ± 0.67 4.83

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