Becklin–Neugebauer Object

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Becklin-Neugebauer Object
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Orion
Right ascension 05h 35m 14.113s[1]
Declination −05° 22′ 22.73″[1]
Spectral type B[2]
Distance~1500[3] ly
Mass7[2] M
Other designations
V2254 Ori, 2MASS J05351411-0522227
Database references

The Becklin–Neugebauer Object (BN) is an object visible only in the infrared in the Orion Molecular Cloud. It was discovered in 1967 by Eric Becklin and Gerry Neugebauer during their near-infrared survey of the Orion Nebula.

The BN Object is thought to be an intermediate-mass protostar. It was the first star detected using infrared methods and is deeply embedded within the Orion star-forming nebula, where it is invisible at optical wavelengths because the light is completely scattered or absorbed due to the high density of dusty material.


  1. ^ a b "NAME BN Object". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2016-11-16.
  2. ^ a b Tan, Jonathan C. (20 May 2004). "The Becklin-Neugebauer Object as a Runaway B Star, Ejected 4000 Years Ago from the θ1 Orionis C System" (PDF). Astrophysical Journal. 607: 47–50. arXiv:astro-ph/0401552. Bibcode:2004ApJ...607L..47T. doi:10.1086/421721. Retrieved 2016-08-21.
  3. ^ "The Becklin-Neugebauer Object: Circumstellar Disk Cradles Young Massive Star". 31 August 2005. Retrieved 2016-08-21.