Large Proper-Motion Infrared [F[CLC]e[/CLC] [CSC]ii[/CSC]] Emission-Line Features in GGD 37 | Zendy

S. N. Raines | Zendy; D. M. Watson | Zendy; J. L. Pipher | Zendy; W. J. Forrest | Zendy; Matthew A. Greenhouse | Zendy; S. Satyapal | Zendy; C. E. Woodward | Zendy; H. A. Smith | Zendy; J. Fischer | Zendy; J. A. Goetz | Zendy; Adam Frank | Zendy

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Large Proper-Motion Infrared [F[CLC]e[/CLC] [CSC]ii[/CSC]] Emission-Line Features in GGD 37

Author(s) -

S. N. Raines,

D. M. Watson,

J. L. Pipher,

W. J. Forrest,

Matthew A. Greenhouse,

S. Satyapal,

C. E. Woodward,

H. A. Smith,

J. Fischer,

J. A. Goetz,

Adam Frank

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312427

Subject(s) - physics , proper motion , line (geometry) , motion (physics) , astrophysics , object (grammar) , infrared , herbig–haro object , emission spectrum , astronomy , artificial intelligence , stars , spectral line , geometry , classical mechanics , computer science , mathematics

We report the detection of proper motions in [Fe ii] 1.644 µm emission among the southeasternmost features in the Herbig-Haro object complex GGD 37. Imaging observations were made over a period of 5 yr, at epochs 1993.67, 1996.71, and 1998.68, that reveal proper-motion velocities of 400+/-200 km s-1 at GGD 37:W2 and 850+/-200 km s-1 at a newly identified object, designated GGD 37:RWPF 1. We believe the proper-motion velocity of GGD 37:RWPF 1 is the highest found to date for a Herbig-Haro object. The direction of GGD 37:RWPF 1's proper motion is almost due west, away from the nearby young stellar object complex in Cep A East. GGD 37:W2's direction of proper motion is north/northwest, which does not lead back to any of the compact objects in Cep A East.

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