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
2460564.011 (2024-Sep-10.511) 19.02 ± 0.36 3.97
2460564.047 (2024-Sep-10.547) 19.63 ± 0.84 4.40
2460567.984 (2024-Sep-14.484) 18.75 ± 0.42 4.07
2460568.019 (2024-Sep-14.519) 99.99 ± 99.99 3.78
2460568.049 (2024-Sep-14.549) 18.13 ± 0.50 3.41

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