The expanding fireball of Nova Delphini 2013

G. H. Schaefer (), T. ten Brummelaar, D. R. Gies, C. D. Farrington, B. Kloppenborg, O. Chesneau, J. D. Monnier, S. T. Ridgway, N. Scott, I. Tallon-Bosc, H. A. McAlister, T. Boyajian, V. Maestro, D. Mourard, A. Meilland, N. Nardetto, P. Stee, J. Sturmann, N. Vargas, F. Baron, M. Ireland, E. K. Baines, X. Che, J. Jones, N. D. Richardson, R. M. Roettenbacher, L. Sturmann, N. H. Turner, P. Tuthill, G. van Belle, K. von Braun, R. T. Zavala, D. P. K. Banerjee, N. M. Ashok, V. Joshi, J. Becker and P. S. Muirhead
Additional contact information
G. H. Schaefer: The CHARA Array of Georgia State University, Mount Wilson Observatory
T. ten Brummelaar: The CHARA Array of Georgia State University, Mount Wilson Observatory
D. R. Gies: Georgia State University, PO Box 5060, Atlanta, Georgia 30302, USA
C. D. Farrington: The CHARA Array of Georgia State University, Mount Wilson Observatory
B. Kloppenborg: Georgia State University, PO Box 5060, Atlanta, Georgia 30302, USA
O. Chesneau: Laboratoire Lagrange, UMR 7293, Université de Sophia-Antipolis (UNS)–Centre National de la Recherche Scientifique (CNRS)–Observatoire de la Côte d’Azur (OCA), Boulevard de l’Observatoire, CS 34229, F-06304 Nice, Cedex 4, France
J. D. Monnier: University of Michigan, 941 Dennison Building, Ann Arbor, Michigan 48109, USA
S. T. Ridgway: National Optical Astronomy Observatory, 950 North Cherry Avenue
N. Scott: The CHARA Array of Georgia State University, Mount Wilson Observatory
I. Tallon-Bosc: Université de Lyon; Université Lyon 1, Observatoire de Lyon, 9 avenue Charles André, 69230 Saint Genis Laval; CNRS UMR 5574, Centre de Recherche Astrophysique de Lyon; École Normale Supérieure, 69007 Lyon, France
H. A. McAlister: Georgia State University, PO Box 5060, Atlanta, Georgia 30302, USA
T. Boyajian: Yale University
V. Maestro: Sydney Institute for Astronomy, School of Physics, University of Sydney, New South Wales 2006, Sydney, Australia
D. Mourard: Laboratoire Lagrange, UMR 7293, Université de Sophia-Antipolis (UNS)–Centre National de la Recherche Scientifique (CNRS)–Observatoire de la Côte d’Azur (OCA), Boulevard de l’Observatoire, CS 34229, F-06304 Nice, Cedex 4, France
A. Meilland: Laboratoire Lagrange, UMR 7293, Université de Sophia-Antipolis (UNS)–Centre National de la Recherche Scientifique (CNRS)–Observatoire de la Côte d’Azur (OCA), Boulevard de l’Observatoire, CS 34229, F-06304 Nice, Cedex 4, France
N. Nardetto: Laboratoire Lagrange, UMR 7293, Université de Sophia-Antipolis (UNS)–Centre National de la Recherche Scientifique (CNRS)–Observatoire de la Côte d’Azur (OCA), Boulevard de l’Observatoire, CS 34229, F-06304 Nice, Cedex 4, France
P. Stee: Laboratoire Lagrange, UMR 7293, Université de Sophia-Antipolis (UNS)–Centre National de la Recherche Scientifique (CNRS)–Observatoire de la Côte d’Azur (OCA), Boulevard de l’Observatoire, CS 34229, F-06304 Nice, Cedex 4, France
J. Sturmann: The CHARA Array of Georgia State University, Mount Wilson Observatory
N. Vargas: The CHARA Array of Georgia State University, Mount Wilson Observatory
F. Baron: Georgia State University, PO Box 5060, Atlanta, Georgia 30302, USA
M. Ireland: Research School of Astronomy and Astrophysics, Australian National University, Canberra, Australian Capital Territory 2611, Australia
E. K. Baines: Naval Research Laboratory, 4555 Overlook Avenue Southwest, Washington, DC 20375, USA
X. Che: University of Michigan, 941 Dennison Building, Ann Arbor, Michigan 48109, USA
J. Jones: Georgia State University, PO Box 5060, Atlanta, Georgia 30302, USA
N. D. Richardson: Université de Montréal, CP 6128, Succursale Centre-Ville, Montréal, Québec H3C 3J7, Canada
R. M. Roettenbacher: University of Michigan, 941 Dennison Building, Ann Arbor, Michigan 48109, USA
L. Sturmann: The CHARA Array of Georgia State University, Mount Wilson Observatory
N. H. Turner: The CHARA Array of Georgia State University, Mount Wilson Observatory
P. Tuthill: Sydney Institute for Astronomy, School of Physics, University of Sydney, New South Wales 2006, Sydney, Australia
G. van Belle: Lowell Observatory, 1400 West Mars Hill Road
K. von Braun: Max Planck Institute for Astronomy (MPIA), Konigstuhl 17, 69117 Heidelberg, Germany
R. T. Zavala: United States Naval Observatory, Flagstaff Station, 10391 West Naval Observatory Road, Flagstaff, Arizona 86001, USA
D. P. K. Banerjee: Physical Research Laboratory, Navrangpura, Ahmedabad, Gujarat 380009, India
N. M. Ashok: Physical Research Laboratory, Navrangpura, Ahmedabad, Gujarat 380009, India
V. Joshi: Physical Research Laboratory, Navrangpura, Ahmedabad, Gujarat 380009, India
J. Becker: University of Michigan, 941 Dennison Building, Ann Arbor, Michigan 48109, USA
P. S. Muirhead: Boston University

Nature, 2014, vol. 515, issue 7526, 234-236

Abstract: High spatial resolution is needed to study the early development of a nova; here measurements of the angular size and radial velocity of Nova Delphini 2013 reveal early structures in the ejected material and a geometric distance to the nova of about 4.5 kiloparsecs from the Sun.

Date: 2014
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DOI: 10.1038/nature13834

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