Sofia Wallström

Showing 8 publications

2020

Optical and near-infrared observations of the Fried Egg Nebula: Multiple shell ejections on a 100 yr timescale from a massive yellow hypergiant

E. Koumpia, R. D. Oudmaijer, V. Graham et al
Astronomy and Astrophysics. Vol. 635
Journal article
2017

ALMA Compact Array observations of the Fried Egg nebula: Evidence for large-scale asymmetric mass-loss from the yellow hypergiant IRAS 17163-3907

Sofia Wallström, E. Lagadec, Sebastien Muller et al
Astronomy and Astrophysics. Vol. 597, p. A99, pp. 1-10
Journal article
2016

Isotopic ratios at z=0.68 from molecular absorption lines toward B 0218+357

Sofia Wallström, Sebastien Muller, M. Guelin
Astronomy and Astrophysics. Vol. 595, p. Art no A96-
Journal article
2016

The death throes of massive stars

Sofia Wallström
Doctoral thesis
2015

Diversity in extinction laws of Type Ia supernovae measured between 0.2 and 2 μm

R. Amanullah, J. Johansson, A. Goobar et al
Monthly Notices of the Royal Astronomical Society. Vol. 453 (3), p. 3300-3328
Journal article
2015

Investigating the nature of the Fried Egg nebula: CO mm-line and optical spectroscopy of IRAS 17163–3907

Sofia Wallström, Sebastien Muller, E. Lagadec et al
Astronomy and Astrophysics. Vol. 574 (A139)
Journal article
2013

CO rotational line emission from a dense knot in Cassiopeia A: Evidence for active post-reverse-shock chemistry

Sofia Wallström, C. Biscaro, F. Salgado et al
Astronomy and Astrophysics. Vol. 558 (L2)
Journal article

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