ISO SWS Spectroscopy of WR 146 (WC6+O)

Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complem...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Willis, A.J. [verfasserIn] Dessart, Luc Crowther, P.A. Morris, P.W. Van Der Hucht, K.A.

Format:	Artikel
Sprache:	Englisch

Erschienen:	1997

Schlagwörter:	Spectroscopy Evolution Model Wavelength Range Neon Optical Data

Anmerkung:	© Kluwer Academic Publishers 1997

Übergeordnetes Werk:	Enthalten in: Astrophysics and space science - Kluwer Academic Publishers, 1968, 255(1997), 1-2 vom: Jan., Seite 167-168
Übergeordnetes Werk:	volume:255 ; year:1997 ; number:1-2 ; month:01 ; pages:167-168

Links:	Volltext

DOI / URN:	10.1023/A:1001128701875

Katalog-ID:	OLC206621342X

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520			\|a Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars.
650		4	\|a Spectroscopy
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spelling	10.1023/A:1001128701875 doi (DE-627)OLC206621342X (DE-He213)A:1001128701875-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Willis, A.J. verfasserin aut ISO SWS Spectroscopy of WR 146 (WC6+O) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1997 Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. Spectroscopy Evolution Model Wavelength Range Neon Optical Data Dessart, Luc aut Crowther, P.A. aut Morris, P.W. aut Van Der Hucht, K.A. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 255(1997), 1-2 vom: Jan., Seite 167-168 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:255 year:1997 number:1-2 month:01 pages:167-168 https://doi.org/10.1023/A:1001128701875 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4027 GBV_ILN_4046 AR 255 1997 1-2 01 167-168
allfields_unstemmed	10.1023/A:1001128701875 doi (DE-627)OLC206621342X (DE-He213)A:1001128701875-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Willis, A.J. verfasserin aut ISO SWS Spectroscopy of WR 146 (WC6+O) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1997 Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. Spectroscopy Evolution Model Wavelength Range Neon Optical Data Dessart, Luc aut Crowther, P.A. aut Morris, P.W. aut Van Der Hucht, K.A. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 255(1997), 1-2 vom: Jan., Seite 167-168 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:255 year:1997 number:1-2 month:01 pages:167-168 https://doi.org/10.1023/A:1001128701875 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4027 GBV_ILN_4046 AR 255 1997 1-2 01 167-168
allfieldsGer	10.1023/A:1001128701875 doi (DE-627)OLC206621342X (DE-He213)A:1001128701875-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Willis, A.J. verfasserin aut ISO SWS Spectroscopy of WR 146 (WC6+O) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1997 Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. Spectroscopy Evolution Model Wavelength Range Neon Optical Data Dessart, Luc aut Crowther, P.A. aut Morris, P.W. aut Van Der Hucht, K.A. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 255(1997), 1-2 vom: Jan., Seite 167-168 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:255 year:1997 number:1-2 month:01 pages:167-168 https://doi.org/10.1023/A:1001128701875 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4027 GBV_ILN_4046 AR 255 1997 1-2 01 167-168
allfieldsSound	10.1023/A:1001128701875 doi (DE-627)OLC206621342X (DE-He213)A:1001128701875-p DE-627 ger DE-627 rakwb eng 520 530 620 VZ 16,12 ssgn Willis, A.J. verfasserin aut ISO SWS Spectroscopy of WR 146 (WC6+O) 1997 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1997 Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. Spectroscopy Evolution Model Wavelength Range Neon Optical Data Dessart, Luc aut Crowther, P.A. aut Morris, P.W. aut Van Der Hucht, K.A. aut Enthalten in Astrophysics and space science Kluwer Academic Publishers, 1968 255(1997), 1-2 vom: Jan., Seite 167-168 (DE-627)129062723 (DE-600)629-4 (DE-576)014393522 0004-640X nnns volume:255 year:1997 number:1-2 month:01 pages:167-168 https://doi.org/10.1023/A:1001128701875 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-AST SSG-OPC-AST GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_47 GBV_ILN_70 GBV_ILN_2002 GBV_ILN_2279 GBV_ILN_2286 GBV_ILN_4012 GBV_ILN_4027 GBV_ILN_4046 AR 255 1997 1-2 01 167-168
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title_sort	iso sws spectroscopy of wr 146 (wc6+o)
title_auth	ISO SWS Spectroscopy of WR 146 (WC6+O)
abstract	Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. © Kluwer Academic Publishers 1997
abstractGer	Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. © Kluwer Academic Publishers 1997
abstract_unstemmed	Abstract We have obtained ISO SWS spectroscopy of WR 146 (WC6+O) covering the wavelength range 2.6-20 µm. WC6 wind emission is observed in numerous lines of He II and C IV, as well as in the [Ne III] 15.5 µm line, but not in [Ne II] 12.81 or [Ne V] 14.32 µm. An analysis of these spectra (and complementary radio and optical data) yields for the WC6 star: v∞ = 2700 km s-1; M=2.6×10-5M⊙yr-1; C/He = 0.15; and a neon abundance bound of 3.4×10-3≤Ne/He≤6.8×10-3. The neon abundance is close to that predicted in stellar evolution models of WC stars. © Kluwer Academic Publishers 1997
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container_issue	1-2
title_short	ISO SWS Spectroscopy of WR 146 (WC6+O)
url	https://doi.org/10.1023/A:1001128701875
remote_bool	false
author2	Dessart, Luc Crowther, P.A. Morris, P.W. Van Der Hucht, K.A.
author2Str	Dessart, Luc Crowther, P.A. Morris, P.W. Van Der Hucht, K.A.
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hochschulschrift_bool	false
doi_str	10.1023/A:1001128701875
up_date	2024-07-04T03:59:48.716Z
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