SIMBAD references

2018MNRAS.480L..54D - Mon. Not. R. Astron. Soc., 480, L54-L57 (2018/October-2)

The structure of a recent nova shell as observed by ALMA.

DIAZ M.P., ABRAHAM Z., RIBEIRO V.A.R.M., BEAKLINI P.P.B. and TAKEDA L.

Abstract (from CDS):

High resolution ALMA observations of the recent (2.52 yr old) shell of Nova V5668 Sgr (2015) show a highly structured ionized gas distribution with small (1015 cm) clumps. These are the smallest structures ever observed in the remnant of a stellar thermonuclear explosion. No extended contiguous emission could be found above the 2.5σ level in our data, while the peak hydrogen densities in the clumps reach 106 cm–3. The millimetre continuum image suggests that large scale structures previously distinguished in other recent nova shells may result from the distribution of bright unresolved condensations.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: novae, cataclysmic variables - stars: white dwarfs - radio continuum: stars

Simbad objects: 2

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