Skip to main content
×
Home
    • Aa
    • Aa

Hydrodynamic Studies of the Evolution of Recurrent Novae to Supernova Ia Explosions

  • S. Starrfield (a1), F. X. Timmes (a1), W. R. Hix (a2), C. Iliadis (a3), W. D. Arnett (a4), C. Meakin (a5) and W. M. Sparks (a5)...
Abstract
Abstract

We have begun new studies of the evolution of thermonuclear runaways (TNRs) in the accreted envelopes of white dwarfs (WDs). Here we focus on the recent outbursts of RS Oph (2006), U Sco (2010) and T Pyx (2011). U Sco explodes about every 10 years and the ejected material from the WD is helium rich. It has a short orbital period for recurrent novae (RNe) but the secondary is likely to be evolved. The WD is thought to be close in mass to the Chandrasekhar limit. T Pyx has just suffered its first outburst since 1966 and it was predicted to never experience another outburst. It has a short orbital period and has formed dust in the ejecta as this paper was being written. One important question is the secular evolution of the WD. Do the repeated outbursts cause the WD to gain or lose mass? If it is gaining mass, it could eventually reach the Chandrasekhar limit and become a Type Ia supernova (SNe Ia) if it can hide the hydrogen and helium in the system. Here, we report on our latest studies of TNRs in accreted envelopes on WDs using a variety of initial WD masses, luminosities, and mass accretion rates. Of great importance to our conclusions, we assume a solar composition (Lodders abundance distribution). We use our 1-D hydro code, NOVA, that includes the Hix and Thielemann nuclear reaction network, the Iliadis reaction rate library, the Timmes equation of state, OPAL opacities, and the new convection of Arnett, Meakin, and Young. We report on the amount of ejected mass, evolution time to explode, and whether or not the WD is growing or losing mass.

    • Send article to Kindle

      To send this article to your Kindle, first ensure coreplatform@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

      Hydrodynamic Studies of the Evolution of Recurrent Novae to Supernova Ia Explosions
      Available formats
      ×
      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your Dropbox account. Find out more about sending content to Dropbox.

      Hydrodynamic Studies of the Evolution of Recurrent Novae to Supernova Ia Explosions
      Available formats
      ×
      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about sending content to Google Drive.

      Hydrodynamic Studies of the Evolution of Recurrent Novae to Supernova Ia Explosions
      Available formats
      ×
Copyright
Linked references
Hide All

This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

W. D. Arnett , C. Meakin , & P. A. Young 2010, ApJ, 710, 1619

M. Y. Fujimoto 1982a, ApJ, 257, 752

D. A. Howell 2011, Nature Comm., 2, 350

C. Iliadis , et al.2010, Nuclear Physics A, 841, 31

P. Kahabka & E. P. J. van den Heuvel 1997, ARAA, 35, 69

K. Nomoto 1982, ApJ, 253, 798

M. Schwarzschild & R. Härm 1965, ApJ, 142, 855

S. Starrfield , C. Iliadis , & W. R. Hix 2008, “Thermonuclear Processes,” in Classical Novae II, ed. M. Bode & A. Evans , Cambridge University Press, 77

S. Starrfield , C. Iliadis , W. R. Hix , F. X. Timmes , & W. M. Sparks 2009, ApJ, 692, 1532

J. Whelan & I. Iben 1973, ApJ, 186, 1007

S. E. Woosley & D. Kasen 2011, ApJ, 734, 38

P. A. Woudt , et al.2009, ApJ, 706, 738

M. Zorotovic , M. R. Schreiber , & B. T. Gänsicke 2011, A&A, 536, 42

Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

Proceedings of the International Astronomical Union
  • ISSN: 1743-9213
  • EISSN: 1743-9221
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
Please enter your name
Please enter a valid email address
Who would you like to send this to? *
×

Keywords:

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 8 *
Loading metrics...

Abstract views

Total abstract views: 21 *
Loading metrics...

* Views captured on Cambridge Core between September 2016 - 27th March 2017. This data will be updated every 24 hours.