Journal or Book Title
The Astrophysical Journal
The Becklin-Neugebauer (BN) object in the Orion Nebula Cluster (ONC) is a well-studied optically invisible, infrared-bright young stellar object, thought to be an intermediate-mass protostar. We report here that BN exhibited nearly-sinusoidal periodic variability at the near-infrared H- and Ks-bands during a one month observing campaign in 2000 March/April. The period was 8.28 days and the peak-to-peak amplitude 0.2 mag. Plausible mechanisms for producing the observed variability characteristics are explored.
Hillenbrand, Lynne A.; Carpenter, John M.; and Skrutskie, Michael F., "Periodic Photometric Variability in the Becklin-Neugebauer Object" (2001). The Astrophysical Journal. 96.