The onset of jets in classical novae

Author:

McLoughlin Dominic1ORCID,Blundell Katherine M1ORCID,Lee Steven23,McCowage Chris23

Affiliation:

1. Department of Physics, University of Oxford, Keble Rd, Oxford OX1 3RH, UK

2. Research School of Astronomy and Astrophysics, Australian National University, Canberra, ACT 2611, Australia

3. Anglo-Australian Telescope, Coonabarabran, NSW 2357, Australia

Abstract

ABSTRACT We present two further classical novae, V906 Car and V5668 Sgr, which show jets and accretion disc spectral signatures in their H α complexes throughout the first 1000 d following their eruptions. From extensive densely time-sampled spectroscopy, we measure the appearance of the first high-velocity absorption component in V906 Car, and the duration of the commencement of the main H α emission. We constrain the time taken for V5668 Sgr to transition to the nebular phase using [N ii] 6584 Å. We find these timings to be consistent with the jet and accretion disc model for explaining optical spectral line profile changes in classical novae, and discuss the implications of this model for enrichment of the interstellar medium.

Funder

Australian Astronomical Observatory

Science and Technology Facilities Council

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Multiwavelength Observations of Multiple Eruptions of the Recurrent Nova M31N 2008-12a;The Astrophysical Journal;2024-04-24

2. Shock shaping? Nebular spectroscopy of nova V906 Carinae;Monthly Notices of the Royal Astronomical Society;2023-03-22

3. The first nova eruption in a novalike variable: YZ Ret as seen in X-rays and γ-rays;Monthly Notices of the Royal Astronomical Society;2022-05-30

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