MOA 2017-BLG-445

Event Parameters

Internal ID:gb8-R-7-10093
Discovery date:2017-08-30T14:15:41
RA:18:00:32.27
Dec:-31:19:49.64
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
74884 18:00:32.43 -31:19:51.99 17.81 ± 0.08 3.29
74929 18:00:32.36 -31:19:46.28 18.32 ± 0.09 4.45
75000 18:00:32.22 -31:19:52.93 19.27 ± 0.23 2.80
75022 18:00:32.16 -31:19:48.82 18.45 ± 0.14 1.72
75023 18:00:32.16 -31:19:51.12 17.55 ± 0.18 1.24
75024 18:00:32.16 -31:19:54.99 17.70 ± 0.14 5.00
75135 18:00:31.97 -31:19:49.36 18.86 ± 0.27 3.51

Last 5 photometry measurements

Observation dateI magseeing
2460245.888 (2023-Oct-28.388) 17.48 ± 0.13 3.30
2460245.921 (2023-Oct-28.421) 17.28 ± 0.14 3.44
2460246.858 (2023-Oct-29.358) 17.49 ± 0.12 3.50
2460246.891 (2023-Oct-29.391) 17.45 ± 0.13 3.49
2460246.925 (2023-Oct-29.425) 17.37 ± 0.16 3.35

Calibration: I = 27.40 - 2.5 log10(ΔF + 8677.61)

Single lens fit parameters

tmax =JD 2457999.44 ± 0.08 UT (2017-Sep-2.94)
tE =68.61 ± 2.90 days
u0 =0.1180 ± 0.0063
Ibase =19.92 ± 0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice