Large proper-motion infrared [Fe II] emission-line features in GGD 37

S. N. Raines; Dan M. Watson; J. L. Pipher; W. J. Forrest; M. A. Greenhouse; S. Satyapal; Charles E. Woodward; H. A. Smith; J. Fischer; J. A. Goetz; Adam Frank

doi:10.1086/312427

Large proper-motion infrared [Fe II] emission-line features in GGD 37

S. N. Raines, Dan M. Watson, J. L. Pipher, W. J. Forrest, M. A. Greenhouse, S. Satyapal, Charles E. Woodward, H. A. Smith, J. Fischer, J. A. Goetz, Adam Frank

Minnesota Institute for Astrophysics

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	L115-L118
Journal	Astrophysical Journal
Volume	528
Issue number	2 PART 2
DOIs	https://doi.org/10.1086/312427
State	Published - Jan 10 2000

Bibliographical note

Funding Information:
C. E. W. acknowledges support from NSF (AST 94-53354); we also acknowledge support from NASA, the Office of Naval Research, the National Geographic Society, and the Astronomical Society of New York. We also thank Tracy Hodge and Craig McMurtry for their assistance at the telescope. This research has made use of NASA’s Astrophysical Data System Abstract Service.

Keywords

ISM: Herbig-Haro objects
ISM: individual (GGD 37)
ISM: jets and outflows
Infrared: general
Stars: formation

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title = "Large proper-motion infrared [Fe II] emission-line features in GGD 37",

abstract = "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.",

keywords = "ISM: Herbig-Haro objects, ISM: individual (GGD 37), ISM: jets and outflows, Infrared: general, Stars: formation",

author = "Raines, {S. N.} and Watson, {Dan M.} and Pipher, {J. L.} and Forrest, {W. J.} and Greenhouse, {M. A.} and S. Satyapal and Woodward, {Charles E.} and Smith, {H. A.} and J. Fischer and Goetz, {J. A.} and Adam Frank",

note = "Funding Information: C. E. W. acknowledges support from NSF (AST 94-53354); we also acknowledge support from NASA, the Office of Naval Research, the National Geographic Society, and the Astronomical Society of New York. We also thank Tracy Hodge and Craig McMurtry for their assistance at the telescope. This research has made use of NASA{\textquoteright}s Astrophysical Data System Abstract Service.",

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AU - Raines, S. N.

AU - Watson, Dan M.

AU - Pipher, J. L.

AU - Forrest, W. J.

AU - Greenhouse, M. A.

AU - Satyapal, S.

AU - Woodward, Charles E.

AU - Smith, H. A.

AU - Fischer, J.

AU - Goetz, J. A.

AU - Frank, Adam

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PY - 2000/1/10

Y1 - 2000/1/10

N2 - 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.

AB - 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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KW - ISM: jets and outflows

KW - Infrared: general

KW - Stars: formation

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Large proper-motion infrared [Fe II] emission-line features in GGD 37

Abstract

Bibliographical note

Keywords

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