MOA 2017-BLG-441

Event Parameters

Internal ID:gb17-R-4-18808
Discovery date:2017-08-30T14:12:49
RA:18:09:31.83
Dec:-27:43:20.63
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
118157 18:09:31.70 -27:43:20.61 17.83 ± 0.06 2.43
118218 18:09:31.83 -27:43:23.86 19.13 ± 0.17 4.02
118219 18:09:31.84 -27:43:15.47 16.97 ± 0.10 4.77
118246 18:09:31.87 -27:43:20.28 19.00 ± 0.22 0.25

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 99.99 ± 99.99 5.19
2460610.916 (2024-Oct-27.416) 99.99 ± 99.99 5.06
2460611.891 (2024-Oct-28.391) 18.21 ± 0.18 4.46
2460611.926 (2024-Oct-28.426) 99.99 ± 99.99 5.55
2460614.884 (2024-Oct-31.384) 99.99 ± 99.99 5.37

Calibration: I = 27.40 - 2.5 log10(ΔF + 2280.34)

Single lens fit parameters

tmax =JD 2458000.94 ± 0.00 UT (2017-Sep-4.44)
tE =24.05 ± 0.22 days
u0 =0.0159 ± 0.0002
Ibase =18.41 ± 0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice