Browsing by Author "Walter, F. M"

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Multisite observations of surface structures on AB Doradus in 1994 November

Collier Cameron, A; Walter, F. M; Vilhu, O; Böhm, T; Catala, C; Char, S; Clarke, F. J; Felenbok, P; Foing, B. H; Ghosh, K. K; Hao, J; Huang, L; Jackson, D. A; Janot-Pacheco, E; Jiang, S; Lagrange, A. M; Suntzeff, N; Zhai, D. S (The Royal Astronomical Society, 1999-09)

We present time-resolved optical spectroscopy and broad-band photometry of the rapidly rotating southern K0 dwarf star AB Doradus, obtained during 1994 November. The data were obtained as part of a collaboration dedicated ...
Optical and Near-infrared Study of Nova V2676 Oph 2012

Raj, A; Das, R. K; Walter, F. M (IOP Publishing, 2017-02-01)

We present optical spectrophotometric and near-infrared (NIR) photometric observations of the nova V2676 Oph covering the period from 2012 March 29 through 2015 May 8. The optical spectra and photometry of the nova have ...
V2676 Oph: Estimating Physical Parameters of a Moderately Fast Nova

Raj, A; Pavana, M; Kamath, U. S; Anupama, G. C; Walter, F. M (Copernicus Foundation for Polish Astronomy, 2018-03)

Using our previously reported observations, we derive some physical parameters of the moderately fast nova V2676 Oph 2012 #1. The best-fit CLOUDY model of the nebular spectrum obtained on 2015 May 8 shows a hot white dwarf ...

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