2001ApJ...547L..53H

Query : 2001ApJ...547L..53H

2001ApJ...547L..53H - Astrophys. J., 547, L53-L56 (2001/January-3)

Periodic photometric variability in the Becklin-Neugebauer object.

HILLENBRAND L.A., CARPENTER J.M. and SKRUTSKIE M.F.

Abstract (from CDS):

The Becklin-Neugebauer object (BN) in the Orion Nebula cluster is a well-studied, optically invisible, infrared-bright young stellar object that is 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 1 month observing campaign in 2000 March/April. The period was 8.28 days, and the peak-to-peak amplitude was ∼0.2 mag. Plausible mechanisms for producing the observed variability characteristics are explored.

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Journal keyword(s): Infrared: Stars - Stars: Individual: Constellation Name: Orion BN/KL - Stars: Pre-Main-Sequence - Stars: Variables: Other

Simbad objects: 7

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Number of rows : 7
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Orion Nebula Cluster OpC 05 35.0 -05 29           ~ 2514 0
2 NAME OMC-1 MoC 05 35 14 -05 22.4           ~ 1249 2
3 V* V2254 Ori Or* 05 35 14.11296 -05 22 22.7316           B 320 2
4 NAME Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2421 1
5 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
6 NAME Ori A MoC 05 38 -07.1           ~ 3187 0
7 * eta Car s*b 10 45 03.545808 -59 41 03.95124 6.37 7.03 6.48 6.123 4.41 LBV 2543 0

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