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Simultaneous Multiwavelength Observations of Dwarf Novae Systems at Quiescence and in Outburst

Published online by Cambridge University Press:  12 April 2016

G. Tovmassian ,
J. Echevarria ,
E. Perez ,
D. H. P. Jones ,
M. Shara ,
M. Tapia ,
J. Bohigas ,
R. Gilmozzi ,
R. Costero  and
J. A. Lopez
...Show all authors
G. Tovmassian
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
J. Echevarria
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
E. Perez
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
D. H. P. Jones
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
M. Shara
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
M. Tapia
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
J. Bohigas
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
R. Gilmozzi
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
R. Costero
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
J. A. Lopez
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
M. Roth
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
M. Alvarez
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
L. F. Rodriguez
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
E. De Lara
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
R. Stover
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
C. Martinez-Roger
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
F. Garzon
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
N. Astrian
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
E. Zoldos
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
J. Mattei
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México
F. Bateson
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Ensenada, México

Extract

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The results of photometric and spectroscopic observations of dwarf novae are presented. The data were obtained during an international program of multiwavelength observations, held in 1986 February at several observatories, of dwarf novae during the first and subsequent days of outburst. During the campaign numerous dwarf novae were monitored in order to catch them in outburst. Preliminary results and analysis of some objects are reported elsewhere. A total of 30 dwarf novae were observed in the northern and southern hemispheres. Among them 37% were caught in outburst, including 10% on the rise to outburst and 17% in decline. Photometric observations were carried out in the UBVRI system and colour indexes were calculated.

Type
Non-Magnetic Cataclysmic Variables
Information
International Astronomical Union Colloquium , Volume 158: Cataclysmic Variables and Related Objects , 1996 , pp. 79 - 80
Copyright
Copyright © Kluwer 1996

References

Echevarria, J., 1984, Rev. Mex. Astr., 9, 99 Google Scholar
Echevarria, J., Costero, R., Michel, R., 1993, A&A, 275, 201 Google Scholar