Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179

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Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179. / Stritzinger, Maximilian; Hamuy, Mario; Suntzeff, Nicholas B.; Smith, R. C.; Phillips, M. M.; Maza, José; Strolger, L. G.; Antezana, Roberto; González, Luis; Wischnjewsky, Marina; Candia, Pablo; Espinoza, Juan; González, David; Stubbs, Christopher; Becker, A. C.; Rubenstein, Eric P.; Galaz, Gaspar.

In: Astronomical Journal, Vol. 124, No. 4 1762, 01.10.2002, p. 2100-2117.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Harvard

Stritzinger, M, Hamuy, M, Suntzeff, NB, Smith, RC, Phillips, MM, Maza, J, Strolger, LG, Antezana, R, González, L, Wischnjewsky, M, Candia, P, Espinoza, J, González, D, Stubbs, C, Becker, AC, Rubenstein, EP & Galaz, G 2002, 'Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179', Astronomical Journal, vol. 124, no. 4 1762, pp. 2100-2117. https://doi.org/10.1086/342544

APA

Stritzinger, M., Hamuy, M., Suntzeff, N. B., Smith, R. C., Phillips, M. M., Maza, J., ... Galaz, G. (2002). Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179. Astronomical Journal, 124(4 1762), 2100-2117. https://doi.org/10.1086/342544

CBE

Stritzinger M, Hamuy M, Suntzeff NB, Smith RC, Phillips MM, Maza J, Strolger LG, Antezana R, González L, Wischnjewsky M, Candia P, Espinoza J, González D, Stubbs C, Becker AC, Rubenstein EP, Galaz G. 2002. Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179. Astronomical Journal. 124(4 1762):2100-2117. https://doi.org/10.1086/342544

MLA

Vancouver

Stritzinger M, Hamuy M, Suntzeff NB, Smith RC, Phillips MM, Maza J et al. Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179. Astronomical Journal. 2002 Oct 1;124(4 1762):2100-2117. https://doi.org/10.1086/342544

Author

Stritzinger, Maximilian ; Hamuy, Mario ; Suntzeff, Nicholas B. ; Smith, R. C. ; Phillips, M. M. ; Maza, José ; Strolger, L. G. ; Antezana, Roberto ; González, Luis ; Wischnjewsky, Marina ; Candia, Pablo ; Espinoza, Juan ; González, David ; Stubbs, Christopher ; Becker, A. C. ; Rubenstein, Eric P. ; Galaz, Gaspar. / Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179. In: Astronomical Journal. 2002 ; Vol. 124, No. 4 1762. pp. 2100-2117.

Bibtex

@article{9dc53452d7dc45f88dae9e42c4c47b5b,
title = "Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179",
abstract = "We present UBVRIz light curves of the Type la SN 1999ee and the Type Ib/c SN 1999ex, both located in the galaxy IC 5179. SN 1999ee has an extremely well-sampled light curve spanning from 10 days before Bmax through 53 days after peak. Near maximum, we find systematic differences of ∼0.05 mag in photometry measured with two different telescopes, even though the photometry is reduced to the same local standards around the supernova using the specific color terms for each instrumental system. We use models for our bandpasses and spectrophotometry of SN 1999ee to derive magnitude corrections (S-corrections) and remedy this problem. This exercise demonstrates the need of accurately characterizing the instrumental system before great photometric accuracies of Type Ia supernovae can be claimed. It also shows that this effect can have important astrophysical consequences, since a small systematic shift of 0.02 mag in the B-V color can introduce a 0.08 mag error in the extinction-corrected peak B magnitude of a supernova and thus lead to biased cosmological parameters. The data for the Type Ib/c SN 1999ex present us with the first ever observed shock breakout of a supernova of this class. These observations show that shock breakout occurred 18 days before Bmax and support the idea that Type Ib/c supernovae are due to the core collapse of massive stars rather than thermonuclear disruption of white dwarfs.",
keywords = "Supernovae: individual (SN 1999ee, SN 1999ex), Techniques: photometric",
author = "Maximilian Stritzinger and Mario Hamuy and Suntzeff, {Nicholas B.} and Smith, {R. C.} and Phillips, {M. M.} and Jos{\'e} Maza and Strolger, {L. G.} and Roberto Antezana and Luis Gonz{\'a}lez and Marina Wischnjewsky and Pablo Candia and Juan Espinoza and David Gonz{\'a}lez and Christopher Stubbs and Becker, {A. C.} and Rubenstein, {Eric P.} and Gaspar Galaz",
year = "2002",
month = "10",
day = "1",
doi = "10.1086/342544",
language = "English",
volume = "124",
pages = "2100--2117",
journal = "The Astronomical Journal",
issn = "0004-6256",
publisher = "Institute of Physics Publishing, Inc",
number = "4 1762",

}

RIS

TY - JOUR

T1 - Optical photometry of the type Ia supernova 1999ee and the type Ib/c supernova 1999ex in IC 5179

AU - Stritzinger, Maximilian

AU - Hamuy, Mario

AU - Suntzeff, Nicholas B.

AU - Smith, R. C.

AU - Phillips, M. M.

AU - Maza, José

AU - Strolger, L. G.

AU - Antezana, Roberto

AU - González, Luis

AU - Wischnjewsky, Marina

AU - Candia, Pablo

AU - Espinoza, Juan

AU - González, David

AU - Stubbs, Christopher

AU - Becker, A. C.

AU - Rubenstein, Eric P.

AU - Galaz, Gaspar

PY - 2002/10/1

Y1 - 2002/10/1

N2 - We present UBVRIz light curves of the Type la SN 1999ee and the Type Ib/c SN 1999ex, both located in the galaxy IC 5179. SN 1999ee has an extremely well-sampled light curve spanning from 10 days before Bmax through 53 days after peak. Near maximum, we find systematic differences of ∼0.05 mag in photometry measured with two different telescopes, even though the photometry is reduced to the same local standards around the supernova using the specific color terms for each instrumental system. We use models for our bandpasses and spectrophotometry of SN 1999ee to derive magnitude corrections (S-corrections) and remedy this problem. This exercise demonstrates the need of accurately characterizing the instrumental system before great photometric accuracies of Type Ia supernovae can be claimed. It also shows that this effect can have important astrophysical consequences, since a small systematic shift of 0.02 mag in the B-V color can introduce a 0.08 mag error in the extinction-corrected peak B magnitude of a supernova and thus lead to biased cosmological parameters. The data for the Type Ib/c SN 1999ex present us with the first ever observed shock breakout of a supernova of this class. These observations show that shock breakout occurred 18 days before Bmax and support the idea that Type Ib/c supernovae are due to the core collapse of massive stars rather than thermonuclear disruption of white dwarfs.

AB - We present UBVRIz light curves of the Type la SN 1999ee and the Type Ib/c SN 1999ex, both located in the galaxy IC 5179. SN 1999ee has an extremely well-sampled light curve spanning from 10 days before Bmax through 53 days after peak. Near maximum, we find systematic differences of ∼0.05 mag in photometry measured with two different telescopes, even though the photometry is reduced to the same local standards around the supernova using the specific color terms for each instrumental system. We use models for our bandpasses and spectrophotometry of SN 1999ee to derive magnitude corrections (S-corrections) and remedy this problem. This exercise demonstrates the need of accurately characterizing the instrumental system before great photometric accuracies of Type Ia supernovae can be claimed. It also shows that this effect can have important astrophysical consequences, since a small systematic shift of 0.02 mag in the B-V color can introduce a 0.08 mag error in the extinction-corrected peak B magnitude of a supernova and thus lead to biased cosmological parameters. The data for the Type Ib/c SN 1999ex present us with the first ever observed shock breakout of a supernova of this class. These observations show that shock breakout occurred 18 days before Bmax and support the idea that Type Ib/c supernovae are due to the core collapse of massive stars rather than thermonuclear disruption of white dwarfs.

KW - Supernovae: individual (SN 1999ee, SN 1999ex)

KW - Techniques: photometric

UR - http://www.scopus.com/inward/record.url?scp=0042770512&partnerID=8YFLogxK

U2 - 10.1086/342544

DO - 10.1086/342544

M3 - Journal article

VL - 124

SP - 2100

EP - 2117

JO - The Astronomical Journal

JF - The Astronomical Journal

SN - 0004-6256

IS - 4 1762

ER -