MOA 2017-BLG-178

Event Parameters

Internal ID:gb19-R-4-4462
Discovery date:2017-04-16T18:39:54
RA:18:15:16.46
Dec:-25:50:05.10
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
103225 18:15:16.18 -25:50:03.25 18.31 ± 0.06 4.78
103340 18:15:16.40 -25:50:06.58 19.07 ± 0.10 2.59
103354 18:15:16.43 -25:50:00.29 16.37 ± 0.12 4.51
103399 18:15:16.51 -25:50:08.55 19.56 ± 0.10 4.19
103400 18:15:16.51 -25:50:04.88 17.35 ± 0.04 0.39
103461 18:15:16.62 -25:50:03.32 19.19 ± 0.12 2.02
103462 18:15:16.65 -25:50:00.97 17.80 ± 0.12 4.24
103547 18:15:16.82 -25:50:05.39 19.68 ± 0.36 4.53

Last 5 photometry measurements

Observation dateI magseeing
2460235.930 (2023-Oct-18.430) 17.34 ± 0.03 2.43
2460239.943 (2023-Oct-22.443) 17.59 ± 0.08 3.46
2460244.878 (2023-Oct-27.378) 17.38 ± 0.09 4.34
2460245.873 (2023-Oct-28.373) 17.35 ± 0.06 3.39
2460246.872 (2023-Oct-29.372) 17.34 ± 0.06 3.52

Calibration: I = 27.40 - 2.5 log10(ΔF + 10452.01)

Single lens fit parameters

tmax =JD 2457860.04 ± 0.04 UT (2017-Apr-16.54)
tE =22.28 ± 1.46 days
u0 =0.1449 ± 0.0154
Ibase =19.30 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice