Table 1 QN frequencies for \(l = 1\).

From: Quasinormal modes and shadow of noncommutative black hole

\(\Theta\)

\(\omega _{0}\)

\(\omega _{1}\)

\(\omega _{2}\)

6th order WKB

Numerical

6th order WKB

Numerical

6th order WKB

Numerical

0.00

0.292910–0.097762i

0.292936–0.0976600i

0.264471–0.306518i

0.264449–0.306257i

0.231014–0.542166i

0.229539–0.540133i

0.05

0.316239–0.099311i

0.316243–0.0992441i

0.290671–0.309586i

0.290591–0.309431i

0.260297–0.543374i

0.258427–0.542162i

0.10

0.351481–0.097397i

0.351435–0.0973776i

0.330103–0.300074i

0.329892–0.300209i

0.300773–0.519039i

0.299190–0.519345i

0.12

0.371967–0.091934i

0.371932–0.0919646i

0.346286–0.282086i

0.346358–0.282153i

0.300083–0.491675i

0.301082–0.491385i