ESC observations of SN 2005cf - II. Optical spectroscopy and the high-velocity features

被引：62

作者：

Garavini, G. ^{[1
]}

Nobili, S.

Taubenberger, S.

Pastorello, A.

Elias-Rosa, N.

Stanishev, V.

Blanc, G.

Benetti, S.

Goobar, A.

Mazzali, P. A.

Sanchez, S. F.

Salvo, M.

Schmidt, B. P.

Hillebrandt, W.

机构：

[1] Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, S-10691 Stockholm, Sweden

[2] Osserv Astron Padova, INAF, I-35122 Padua, Italy

[3] Univ La Laguna, San Cristobal la Laguna 38206, Tenerife, Spain

[4] Osserv Astron Trieste, INAF, I-34131 Trieste, Italy

[5] Max Planck Inst Astrophys, D-85741 Garching, Germany

[6] Australian Natl Univ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia

[7] Calar Alto Observ, Ctr Astron, Almeria 04004, Spain

[8] Queens Univ Belfast, Sch Math & Phys, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland

[9] Univ Paris 07, APC, F-75205 Paris 13, France

[10] Univ Paris 06, LPNHE, CNRS, IN2P3, Paris, France

[11] Univ Paris 07, LPNHE, CNRS, IN2P3, Paris, France

来源：

ASTRONOMY & ASTROPHYSICS | 2007年 / 471卷 / 02期

关键词：

stars : supernovae : general; stars : supernovae : individual : SN 2005cf;

D O I：

10.1051/0004-6361:20066971

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The ESC-RTN optical spectroscopy data set for SN 2005cf is presented and analyzed. The observations range from -11.6 and + 77.3 days with respect to B-band maximum light. The evolution of the spectral energy distribution of SN 2005cf is characterized by the presence of high velocity Si II and Ca II features. SYNOW synthetic spectra are used to investigate the ejecta geometry of silicon. Based on the synthetic spectra, the Si II high-velocity feature appears detached at 19 500 km s(-1). We also securely establish the presence of such a feature in SN 1990N, SN 1994D, SN 2002er, and SN 2003du. In a morphological study both the Ca II IR triplet and H&K absorption lines of SN 2005cf show high-velocity features centered around 24 000 km s(-1). When compared with other type Ia SNe based on the scheme presented in Benetti et al. ( 2005, ApJ, 623, 1011), SN 2005cf definitely belongs to the LVG group.

引用

页码：527 / U60

页数：12

共 47 条

[1]

[Anonymous], 2000, THESIS

[2] The Supernova Legacy Survey:: measurement of ΩM, ΩΛ and w from the first year data set [J].

Astier, P ;

Guy, J ;

Regnault, N ;

Pain, R ;

Aubourg, E ;

Balam, D ;

Basa, S ;

Carlberg, RG ;

Fabbro, S ;

Fouchez, D ;

Hook, IM ;

Howell, DA ;

Lafoux, H ;

Neill, JD ;

Palanque-Delabrouille, N ;

Perrett, K ;

Pritchet, CJ ;

Rich, J ;

Sullivan, M ;

Taillet, R ;

Aldering, G ;

Antilogus, P ;

Arsenijevic, V ;

Balland, C ;

Baumont, S ;

Bronder, J ;

Courtois, H ;

Ellis, RS ;

Filiol, M ;

Gonçalves, AC ;

Goobar, A ;

Guide, D ;

Hardin, D ;

Lusset, V ;

Lidman, C ;

McMahon, R ;

Mouchet, M ;

Mourao, A ;

Perlmutter, S ;

Ripoche, P ;

Tao, C ;

Walton, N .

ASTRONOMY & ASTROPHYSICS, 2006, 447 (01) :31-U31

[3] Supernova 2002bo: inadequacy of the single parameter description [J].

Benetti, S ;

Meikle, P ;

Stehle, M ;

Altavilla, G ;

Desidera, S ;

Folatelli, G ;

Goobar, A ;

Mattila, S ;

Mendez, J ;

Navasardyan, H ;

Pastorello, A ;

Patat, F ;

Riello, M ;

Ruiz-Lapuente, P ;

Tsvetkov, D ;

Turatto, M ;

Mazzali, P ;

Hillebrandt, W .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2004, 348 (01) :261-278

[4] The diversity of type Ia supernovae: Evidence for systematics? [J].

Benetti, S ;

Cappellaro, E ;

Mazzali, PA ;

Turatto, M ;

Altavilla, G ;

Bufano, F ;

Elias-Rosa, N ;

Kotak, R ;

Pignata, G ;

Salvo, M ;

Stanishev, V .

ASTROPHYSICAL JOURNAL, 2005, 623 (02) :1011-1016

[5] SPECTROSCOPIC DIFFERENCES BETWEEN SUPERNOVAE OF TYPE-IA IN EARLY-TYPE AND IN LATE-TYPE GALAXIES [J].

BRANCH, D ;

VANDENBERGH, S .

ASTRONOMICAL JOURNAL, 1993, 105 (06) :2231-2235

[6] Comparative direct analysis of type Ia supernova spectra. II. Maximum light [J].

Branch, D ;

Dang, LC ;

Hall, N ;

Ketchum, W ;

Melakayil, M ;

Parrent, J ;

Troxel, MA ;

Casebeer, D ;

Jeffery, DJ ;

Baron, E .

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2006, 118 (842) :560-571

[7] Comparative direct analysis of Type Ia supernova spectra. I. SN 1994D [J].

Branch, D ;

Baron, E ;

Hall, N ;

Melakayil, M ;

Parrent, J .

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 2005, 117 (832) :545-552

[8]

de Vaucouleurs G., 1991, SCI, V254, P1667

[9] Spectroscopic observations and analysis of the unusual type Ia SN 1999ac [J].

Garavini, G ;

Aldering, G ;

Amadon, A ;

Amanullah, R ;

Astier, P ;

Balland, C ;

Blanc, G ;

Conley, A ;

Dahlén, T ;

Deustua, SE ;

Ellis, R ;

Fabbro, S ;

Fadeyev, V ;

Fan, X ;

Folatelli, G ;

Frye, B ;

Gates, EL ;

Gibbons, R ;

Goldhaber, G ;

Goldman, B ;

Goobar, A ;

Groom, DE ;

Haissinski, J ;

Hardin, D ;

Hook, I ;

Howell, DA ;

Kent, S ;

Kim, AG ;

Knop, RA ;

Kowalski, M ;

Kuznetsova, N ;

Lee, BC ;

Lidman, C ;

Mendez, J ;

Miller, GJ ;

Moniez, M ;

Mouchet, M ;

Mourao, A ;

Newberg, H ;

Nobili, S ;

Nugent, PE ;

Pain, R ;

Perdereau, O ;

Perlmutter, S ;

Quimby, R ;

Regnault, N ;

Rich, J ;

Richards, GT ;

Ruiz-Lapuente, P ;

Schaefer, BE .

ASTRONOMICAL JOURNAL, 2005, 130 (05) :2278-2292

[10] Spectroscopic observations and analysis of the peculiar SN 1999aa [J].

Garavini, G ;

Folatelli, G ;

Goobar, A ;

Nobili, S ;

Aldering, G ;

Amadon, A ;

Amanullah, R ;

Astier, P ;

Balland, C ;

Blanc, G ;

Burns, MS ;

Conley, A ;

Dahlén, T ;

Deustua, SE ;

Ellis, R ;

Fabbro, S ;

Fan, X ;

Frye, B ;

Gates, EL ;

Gibbons, R ;

Goldhaber, G ;

Goldman, B ;

Groom, DE ;

Haissinski, J ;

Hardin, D ;

Hook, IM ;

Howell, DA ;

Kasen, D ;

Kent, S ;

Kim, AG ;

Knop, RA ;

Lee, BC ;

Lidman, C ;

Mendez, J ;

Miller, GJ ;

Moniez, M ;

Mourao, A ;

Newberg, H ;

Nugent, PE ;

Pain, R ;

Perdereau, O ;

Perlmutter, S ;

Prasad, V ;

Quimby, R ;

Raux, J ;

Regnault, N ;

Rich, J ;

Richards, GT ;

Ruiz-Lapuente, P ;

Sainton, G .

ASTRONOMICAL JOURNAL, 2004, 128 (01) :387-404

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