Search for Near-Infrared Pulsation of the Anomalous X-ray Pulsar 4U 0142+61

Mikio Morii, Naoto Kobayashi, Nobuyuki Kawai +4

We have searched for pulsation of the anomalous X-ray pulsar (AXP) 4U 0142+61 in the K' band (${\lambda }_{\mathrm{eff}}=2.11$ $\mu$m) using the fast-readout mode of IRCS at the Subaru 8.2-m tel…