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Optical and Near-Infrared Observations of Classical Nova V1723 Aql

Published online by Cambridge University Press:  17 January 2013

M. Nagashima ,
A. Arai ,
M. Isogai ,
T. Arasaki ,
E. Kitao ,
G. Taguchi ,
Y. Ikeda ,
H. Kawakita ,
M. Yamanaka  and
R. Itoh
...Show all authors
M. Nagashima
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
A. Arai
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
M. Isogai
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
T. Arasaki
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
E. Kitao
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
G. Taguchi
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
Y. Ikeda
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
H. Kawakita
Affiliation:
Kyoto Sangyo University, Motoyama Kamigamo Kita-ku Kyoto Kyoto, Japan email: g0837714@cc.kyoto-su.ac.jp
M. Yamanaka
Affiliation:
Hiroshima University, 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima, Japan
R. Itoh
Affiliation:
Hiroshima University, 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima, Japan
M. Sasada
Affiliation:
Hiroshima University, 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima, Japan
T. Okushima
Affiliation:
Hiroshima University, 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima, Japan
M. Uemura
Affiliation:
Hiroshima University, 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima, Japan
K. S. Kawabata
Affiliation:
Hiroshima University, 1-3-1 Kagamiyama Higashi-Hiroshima Hiroshima, Japan
H. L. Worters
Affiliation:
South African Astronomical Observatory, PO Box 9, Observatory 7935, South Africa
D. P. Smits
Affiliation:
Department of Mathematical Sciences, University of South Africa, Box 392, UNISA, Pretoria 0003, South Africa
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Abstract

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Optical and near-infrared observations of novae give us useful information for understanding the diversity of nova eruptions. Classical nova V1723 Aql was discovered by F. Kabashima and K. Nishiyama on 2010 September 11. We have conducted photometric and spectroscopic observations of V1723 Aql in both optical and near-infrared (NIR) wavelength regions since its discovery. The V-band decline time by 2 mag after the maximum, t2, was ~12 d. The apparent Fe II emission lines were also seen in the optical spectra. The Rc- and Ic-band light curves exhibited rapid declines (0.16 mag d−1 in Rc) 20 days after the visual maximum, while the NIR (J, H, and Ks) showed slow decline rates (~0.07 mag d−1). This rapid reddening suggests that dust particles formed during the very early phase of the expansion in V1723 Aql.

Keywords

stars: novaecataclysmic variables — dustextinction
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Issue S281: Binary Paths to Type Ia Supernovae Explosions , July 2011 , pp. 121 - 123
Copyright
Copyright © International Astronomical Union 2013

References

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