Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope

Xiaofeng Wang; Lifan Wang; Alexei V. Filippenko; Eddie Baron; Markus Kromer; Dennis Jack; Tianmeng Zhang; Greg Aldering; Pierre Antilogus; W. David Arnett; Dietrich Baade; Brian J. Barris; Stefano Benetti; Patrice Bouchet; Adam S. Burrows; Ramon Canal; Enrico Cappellaro; Raymond G. Carlberg; Elisa Di Carlo; Peter J. Challis; Arlin P.S. Crotts; John I. Danziger; Massimo Della Valle; Michael Fink; Ryan J. Foley; Claes Fransson; Avishay Gal-Yam; Peter M. Garnavich; Chris L. Gerardy; Gerson Goldhaber; Mario Hamuy; Wolfgang Hillebrandt; Peter Höflich; Stephen T. Holland; Daniel E. Holz; John P. Hughes; David J. Jeffery; Saurabh W. Jha; Dan Kasen; Alexei M. Khokhlov; Robert P. Kirshner; Robert A. Knop; Cecilia Kozma; Kevin Krisciunas; Brian C. Lee; Bruno Leibundgut; Eric J. Lentz; Douglas C. Leonard; Walter H.G. Lewin; Weidong Li; Mario Livio; Peter Lundqvist; Dan Maoz; Thomas Matheson; Paolo A. Mazzali; Peter Meikle; Gajus Miknaitis; Peter A. Milne; Stefan W. Mochnacki; Ken'Ichi Nomoto; Peter E. Nugent; Elaine S. Oran; Nino Panagia; Saul Perlmutter; Mark M. Phillips; Philip Pinto; Dovi Poznanski; Christopher J. Pritchet; Martin Reinecke; Adam G. Riess; Pilar Ruiz-Lapuente; Richard A. Scalzo; Eric M. Schlegel; Brian P. Schmidt; James Siegrist; Alicia M. Soderberg; Jesper Sollerman; George Sonneborn; Anthony Spadafora; Jason Spyromilio; Richard A. Sramek; Sumner G. Starrfield; Louis G. Strolger; Nicholas B. Suntzeff; Rollin C. Thomas; John L. Tonry; Amedeo Tornambe; James W. Truran; Massimo Turatto; Michael Turner; Schuyler D. Van Dyk; Kurt W. Weiler; J. Craig Wheeler; Michael Wood-Vasey; Stanford E. Woosley; Hitoshi Yamaoka

doi:10.1088/0004-637X/749/2/126

Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope

Xiaofeng Wang, Lifan Wang, Alexei V. Filippenko, Eddie Baron, Markus Kromer, Dennis Jack, Tianmeng Zhang, Greg Aldering, Pierre Antilogus, W. David Arnett, Dietrich Baade, Brian J. Barris, Stefano Benetti, Patrice Bouchet, Adam S. Burrows, Ramon Canal, Enrico Cappellaro, Raymond G. Carlberg, Elisa Di Carlo, Peter J. ChallisArlin P.S. Crotts, John I. Danziger, Massimo Della Valle, Michael Fink, Ryan J. Foley, Claes Fransson, Avishay Gal-Yam, Peter M. Garnavich, Chris L. Gerardy, Gerson Goldhaber, Mario Hamuy, Wolfgang Hillebrandt, Peter Höflich, Stephen T. Holland, Daniel E. Holz, John P. Hughes, David J. Jeffery, Saurabh W. Jha, Dan Kasen, Alexei M. Khokhlov, Robert P. Kirshner, Robert A. Knop, Cecilia Kozma, Kevin Krisciunas, Brian C. Lee, Bruno Leibundgut, Eric J. Lentz, Douglas C. Leonard, Walter H.G. Lewin, Weidong Li, Mario Livio, Peter Lundqvist, Dan Maoz, Thomas Matheson, Paolo A. Mazzali, Peter Meikle, Gajus Miknaitis, Peter A. Milne, Stefan W. Mochnacki, Ken'Ichi Nomoto, Peter E. Nugent, Elaine S. Oran, Nino Panagia, Saul Perlmutter, Mark M. Phillips, Philip Pinto, Dovi Poznanski, Christopher J. Pritchet, Martin Reinecke, Adam G. Riess, Pilar Ruiz-Lapuente, Richard A. Scalzo, Eric M. Schlegel, Brian P. Schmidt, James Siegrist, Alicia M. Soderberg, Jesper Sollerman, George Sonneborn, Anthony Spadafora, Jason Spyromilio, Richard A. Sramek, Sumner G. Starrfield, Louis G. Strolger, Nicholas B. Suntzeff, Rollin C. Thomas, John L. Tonry, Amedeo Tornambe, James W. Truran, Massimo Turatto, Michael Turner, Schuyler D. Van Dyk, Kurt W. Weiler, J. Craig Wheeler, Michael Wood-Vasey, Stanford E. Woosley, Hitoshi Yamaoka

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Abstract

We present ultraviolet (UV) spectroscopy and photometry of four Type Ia supernovae (SNe 2004dt, 2004ef, 2005M, and 2005cf) obtained with the UV prism of the Advanced Camera for Surveys on the Hubble Space Telescope. This data set provides unique spectral time series down to 2000 Å. Significant diversity is seen in the near-maximum-light spectra (2000-3500 Å) for this small sample. The corresponding photometric data, together with archival data from Swift Ultraviolet/Optical Telescope observations, provide further evidence of increased dispersion in the UV emission with respect to the optical. The peak luminosities measured in the uvw1/F250W filter are found to correlate with the B-band light-curve shape parameter Δm ₁₅(B), but with much larger scatter relative to the correlation in the broadband B band (e.g., 0.4mag versus 0.2mag for those with 0.8 mag < Δm ₁₅(B) < 1.7mag). SN2004dt is found as an outlier of this correlation (at > 3σ), being brighter than normal SNe Ia such as SN2005cf by 0.9mag and 2.0mag in the uvw1/F250W and uvm2/F220W filters, respectively. We show that different progenitor metallicity or line-expansion velocities alone cannot explain such a large discrepancy. Viewing-angle effects, such as due to an asymmetric explosion, may have a significant influence on the flux emitted in the UV region. Detailed modeling is needed to disentangle and quantify the above effects.

Original language	English (US)
Article number	126
Journal	Astrophysical Journal
Volume	749
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/749/2/126
State	Published - Apr 20 2012

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

cosmology: observations
distance scale
dust, extinction
supernovae: general
ultraviolet: general

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10.1088/0004-637X/749/2/126

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Wang, X., Wang, L., Filippenko, A. V., Baron, E., Kromer, M., Jack, D., Zhang, T., Aldering, G., Antilogus, P., Arnett, W. D., Baade, D., Barris, B. J., Benetti, S., Bouchet, P., Burrows, A. S., Canal, R., Cappellaro, E., Carlberg, R. G., Di Carlo, E., ... Yamaoka, H. (2012). Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope. Astrophysical Journal, 749(2), Article 126. https://doi.org/10.1088/0004-637X/749/2/126

@article{3c49fae819ad4ebea06a38dcf3573d38,

title = "Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope",

abstract = "We present ultraviolet (UV) spectroscopy and photometry of four Type Ia supernovae (SNe 2004dt, 2004ef, 2005M, and 2005cf) obtained with the UV prism of the Advanced Camera for Surveys on the Hubble Space Telescope. This data set provides unique spectral time series down to 2000 {\AA}. Significant diversity is seen in the near-maximum-light spectra (2000-3500 {\AA}) for this small sample. The corresponding photometric data, together with archival data from Swift Ultraviolet/Optical Telescope observations, provide further evidence of increased dispersion in the UV emission with respect to the optical. The peak luminosities measured in the uvw1/F250W filter are found to correlate with the B-band light-curve shape parameter Δm 15(B), but with much larger scatter relative to the correlation in the broadband B band (e.g., 0.4mag versus 0.2mag for those with 0.8 mag < Δm 15(B) < 1.7mag). SN2004dt is found as an outlier of this correlation (at > 3σ), being brighter than normal SNe Ia such as SN2005cf by 0.9mag and 2.0mag in the uvw1/F250W and uvm2/F220W filters, respectively. We show that different progenitor metallicity or line-expansion velocities alone cannot explain such a large discrepancy. Viewing-angle effects, such as due to an asymmetric explosion, may have a significant influence on the flux emitted in the UV region. Detailed modeling is needed to disentangle and quantify the above effects.",

keywords = "cosmology: observations, distance scale, dust, extinction, supernovae: general, ultraviolet: general",

author = "Xiaofeng Wang and Lifan Wang and Filippenko, {Alexei V.} and Eddie Baron and Markus Kromer and Dennis Jack and Tianmeng Zhang and Greg Aldering and Pierre Antilogus and Arnett, {W. David} and Dietrich Baade and Barris, {Brian J.} and Stefano Benetti and Patrice Bouchet and Burrows, {Adam S.} and Ramon Canal and Enrico Cappellaro and Carlberg, {Raymond G.} and {Di Carlo}, Elisa and Challis, {Peter J.} and Crotts, {Arlin P.S.} and Danziger, {John I.} and Valle, {Massimo Della} and Michael Fink and Foley, {Ryan J.} and Claes Fransson and Avishay Gal-Yam and Garnavich, {Peter M.} and Gerardy, {Chris L.} and Gerson Goldhaber and Mario Hamuy and Wolfgang Hillebrandt and Peter H{\"o}flich and Holland, {Stephen T.} and Holz, {Daniel E.} and Hughes, {John P.} and Jeffery, {David J.} and Jha, {Saurabh W.} and Dan Kasen and Khokhlov, {Alexei M.} and Kirshner, {Robert P.} and Knop, {Robert A.} and Cecilia Kozma and Kevin Krisciunas and Lee, {Brian C.} and Bruno Leibundgut and Lentz, {Eric J.} and Leonard, {Douglas C.} and Lewin, {Walter H.G.} and Weidong Li and Mario Livio and Peter Lundqvist and Dan Maoz and Thomas Matheson and Mazzali, {Paolo A.} and Peter Meikle and Gajus Miknaitis and Milne, {Peter A.} and Mochnacki, {Stefan W.} and Ken'Ichi Nomoto and Nugent, {Peter E.} and Oran, {Elaine S.} and Nino Panagia and Saul Perlmutter and Phillips, {Mark M.} and Philip Pinto and Dovi Poznanski and Pritchet, {Christopher J.} and Martin Reinecke and Riess, {Adam G.} and Pilar Ruiz-Lapuente and Scalzo, {Richard A.} and Schlegel, {Eric M.} and Schmidt, {Brian P.} and James Siegrist and Soderberg, {Alicia M.} and Jesper Sollerman and George Sonneborn and Anthony Spadafora and Jason Spyromilio and Sramek, {Richard A.} and Starrfield, {Sumner G.} and Strolger, {Louis G.} and Suntzeff, {Nicholas B.} and Thomas, {Rollin C.} and Tonry, {John L.} and Amedeo Tornambe and Truran, {James W.} and Massimo Turatto and Michael Turner and {Van Dyk}, {Schuyler D.} and Weiler, {Kurt W.} and Wheeler, {J. Craig} and Michael Wood-Vasey and Woosley, {Stanford E.} and Hitoshi Yamaoka",

year = "2012",

month = apr,

day = "20",

doi = "10.1088/0004-637X/749/2/126",

language = "English (US)",

volume = "749",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing Ltd.",

number = "2",

}

Wang, X, Wang, L, Filippenko, AV, Baron, E, Kromer, M, Jack, D, Zhang, T, Aldering, G, Antilogus, P, Arnett, WD, Baade, D, Barris, BJ, Benetti, S, Bouchet, P, Burrows, AS, Canal, R, Cappellaro, E, Carlberg, RG, Di Carlo, E, Challis, PJ, Crotts, APS, Danziger, JI, Valle, MD, Fink, M, Foley, RJ, Fransson, C, Gal-Yam, A, Garnavich, PM, Gerardy, CL, Goldhaber, G, Hamuy, M, Hillebrandt, W, Höflich, P, Holland, ST, Holz, DE, Hughes, JP, Jeffery, DJ, Jha, SW, Kasen, D, Khokhlov, AM, Kirshner, RP, Knop, RA, Kozma, C, Krisciunas, K, Lee, BC, Leibundgut, B, Lentz, EJ, Leonard, DC, Lewin, WHG, Li, W, Livio, M, Lundqvist, P, Maoz, D, Matheson, T, Mazzali, PA, Meikle, P, Miknaitis, G, Milne, PA, Mochnacki, SW, Nomoto, KI, Nugent, PE, Oran, ES, Panagia, N, Perlmutter, S, Phillips, MM, Pinto, P, Poznanski, D, Pritchet, CJ, Reinecke, M, Riess, AG, Ruiz-Lapuente, P, Scalzo, RA, Schlegel, EM, Schmidt, BP, Siegrist, J, Soderberg, AM, Sollerman, J, Sonneborn, G, Spadafora, A, Spyromilio, J, Sramek, RA, Starrfield, SG, Strolger, LG, Suntzeff, NB, Thomas, RC, Tonry, JL, Tornambe, A, Truran, JW, Turatto, M, Turner, M, Van Dyk, SD, Weiler, KW, Wheeler, JC, Wood-Vasey, M, Woosley, SE & Yamaoka, H 2012, 'Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope', Astrophysical Journal, vol. 749, no. 2, 126. https://doi.org/10.1088/0004-637X/749/2/126

TY - JOUR

T1 - Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope

AU - Wang, Xiaofeng

AU - Wang, Lifan

AU - Filippenko, Alexei V.

AU - Baron, Eddie

AU - Kromer, Markus

AU - Jack, Dennis

AU - Zhang, Tianmeng

AU - Aldering, Greg

AU - Antilogus, Pierre

AU - Arnett, W. David

AU - Baade, Dietrich

AU - Barris, Brian J.

AU - Benetti, Stefano

AU - Bouchet, Patrice

AU - Burrows, Adam S.

AU - Canal, Ramon

AU - Cappellaro, Enrico

AU - Carlberg, Raymond G.

AU - Di Carlo, Elisa

AU - Challis, Peter J.

AU - Crotts, Arlin P.S.

AU - Danziger, John I.

AU - Valle, Massimo Della

AU - Fink, Michael

AU - Foley, Ryan J.

AU - Fransson, Claes

AU - Gal-Yam, Avishay

AU - Garnavich, Peter M.

AU - Gerardy, Chris L.

AU - Goldhaber, Gerson

AU - Hamuy, Mario

AU - Hillebrandt, Wolfgang

AU - Höflich, Peter

AU - Holland, Stephen T.

AU - Holz, Daniel E.

AU - Hughes, John P.

AU - Jeffery, David J.

AU - Jha, Saurabh W.

AU - Kasen, Dan

AU - Khokhlov, Alexei M.

AU - Kirshner, Robert P.

AU - Knop, Robert A.

AU - Kozma, Cecilia

AU - Krisciunas, Kevin

AU - Lee, Brian C.

AU - Leibundgut, Bruno

AU - Lentz, Eric J.

AU - Leonard, Douglas C.

AU - Lewin, Walter H.G.

AU - Li, Weidong

AU - Livio, Mario

AU - Lundqvist, Peter

AU - Maoz, Dan

AU - Matheson, Thomas

AU - Mazzali, Paolo A.

AU - Meikle, Peter

AU - Miknaitis, Gajus

AU - Milne, Peter A.

AU - Mochnacki, Stefan W.

AU - Nomoto, Ken'Ichi

AU - Nugent, Peter E.

AU - Oran, Elaine S.

AU - Panagia, Nino

AU - Perlmutter, Saul

AU - Phillips, Mark M.

AU - Pinto, Philip

AU - Poznanski, Dovi

AU - Pritchet, Christopher J.

AU - Reinecke, Martin

AU - Riess, Adam G.

AU - Ruiz-Lapuente, Pilar

AU - Scalzo, Richard A.

AU - Schlegel, Eric M.

AU - Schmidt, Brian P.

AU - Siegrist, James

AU - Soderberg, Alicia M.

AU - Sollerman, Jesper

AU - Sonneborn, George

AU - Spadafora, Anthony

AU - Spyromilio, Jason

AU - Sramek, Richard A.

AU - Starrfield, Sumner G.

AU - Strolger, Louis G.

AU - Suntzeff, Nicholas B.

AU - Thomas, Rollin C.

AU - Tonry, John L.

AU - Tornambe, Amedeo

AU - Truran, James W.

AU - Turatto, Massimo

AU - Turner, Michael

AU - Van Dyk, Schuyler D.

AU - Weiler, Kurt W.

AU - Wheeler, J. Craig

AU - Wood-Vasey, Michael

AU - Woosley, Stanford E.

AU - Yamaoka, Hitoshi

PY - 2012/4/20

Y1 - 2012/4/20

N2 - We present ultraviolet (UV) spectroscopy and photometry of four Type Ia supernovae (SNe 2004dt, 2004ef, 2005M, and 2005cf) obtained with the UV prism of the Advanced Camera for Surveys on the Hubble Space Telescope. This data set provides unique spectral time series down to 2000 Å. Significant diversity is seen in the near-maximum-light spectra (2000-3500 Å) for this small sample. The corresponding photometric data, together with archival data from Swift Ultraviolet/Optical Telescope observations, provide further evidence of increased dispersion in the UV emission with respect to the optical. The peak luminosities measured in the uvw1/F250W filter are found to correlate with the B-band light-curve shape parameter Δm 15(B), but with much larger scatter relative to the correlation in the broadband B band (e.g., 0.4mag versus 0.2mag for those with 0.8 mag < Δm 15(B) < 1.7mag). SN2004dt is found as an outlier of this correlation (at > 3σ), being brighter than normal SNe Ia such as SN2005cf by 0.9mag and 2.0mag in the uvw1/F250W and uvm2/F220W filters, respectively. We show that different progenitor metallicity or line-expansion velocities alone cannot explain such a large discrepancy. Viewing-angle effects, such as due to an asymmetric explosion, may have a significant influence on the flux emitted in the UV region. Detailed modeling is needed to disentangle and quantify the above effects.

AB - We present ultraviolet (UV) spectroscopy and photometry of four Type Ia supernovae (SNe 2004dt, 2004ef, 2005M, and 2005cf) obtained with the UV prism of the Advanced Camera for Surveys on the Hubble Space Telescope. This data set provides unique spectral time series down to 2000 Å. Significant diversity is seen in the near-maximum-light spectra (2000-3500 Å) for this small sample. The corresponding photometric data, together with archival data from Swift Ultraviolet/Optical Telescope observations, provide further evidence of increased dispersion in the UV emission with respect to the optical. The peak luminosities measured in the uvw1/F250W filter are found to correlate with the B-band light-curve shape parameter Δm 15(B), but with much larger scatter relative to the correlation in the broadband B band (e.g., 0.4mag versus 0.2mag for those with 0.8 mag < Δm 15(B) < 1.7mag). SN2004dt is found as an outlier of this correlation (at > 3σ), being brighter than normal SNe Ia such as SN2005cf by 0.9mag and 2.0mag in the uvw1/F250W and uvm2/F220W filters, respectively. We show that different progenitor metallicity or line-expansion velocities alone cannot explain such a large discrepancy. Viewing-angle effects, such as due to an asymmetric explosion, may have a significant influence on the flux emitted in the UV region. Detailed modeling is needed to disentangle and quantify the above effects.

KW - cosmology: observations

KW - distance scale

KW - dust, extinction

KW - supernovae: general

KW - ultraviolet: general

UR - http://www.scopus.com/inward/record.url?scp=84859317714&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84859317714&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/749/2/126

DO - 10.1088/0004-637X/749/2/126

M3 - Article

AN - SCOPUS:84859317714

SN - 0004-637X

VL - 749

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 126

ER -

Evidence for type Ia supernova diversity from ultraviolet observations with the hubble space telescope

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