Abstract
We present the results of a statistical study of brightness variability for 693 stars of the Pulkovo spectrophotometric database in five spectral bands in the range λλ 320–1080 nm. Significant brightness variations were detected in at least one spectral band against the background of the random noise for one-third of the stars not earlier believed to be variable. A comparison of the distributions of these variations in amplitude and spectral band for the normal and variable stars shows that variability is inherent to most stars to some extent and is often wavelength dependent.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
N. L. Alekseev, G. A. Alekseeva, A. A. Arkharov, et al., Tr. Glav. Astron. Obs. Pulkovo 83, 1 (1978).
N. L. Alekseev, G. A. Alekseeva, A. A. Arkharov, et al., Izv. Glav. Astron. Obs. Pulkovo 202, 71 (1984).
E. I. Hagen-Thorn, Izv. Glav. Astron. Obs. Pulkovo 211, 26 (1996).
G. A. Alekseeva, A. A. Arkharov, V. D. Galkin, et al., Baltic Astron. 5, 603 (1996).
G. A. Alekseeva, A. A. Arkharov, V. D. Galkin, et al., Baltic Astron. 6, 481 (1997).
E. I. Hagen-Thorn, Izv. Glav. Astron. Obs. Pulkovo 212, 289 (1998).
A. V. Kharitonov, V. M. Tereshchenko, and L. N. Knyazeva, Master Spectrophotometric Catalog of Stars (Nauka, Alma-Ata, 1978) [in Russian].
I. B. Voloshina, I. N. Glushneva, and T. S. Khruzina, Tr. Gos. Astron. Inst. im. Shternberga 52, 182 (1982).
I. B. Voloshina, I. N. Glushneva, and V. I. Shenavrin, Tr. Gos. Astron. Inst. im. Shternberga 55, 84 (1983).
N. S. Komarov, V. A. Pozigun, S. I. Belik, et al., Spectrophotometry of Stars at λλ 580–900 nm (Naukova Dumka, Kiev, 1983) [in Russian].
A. L. Cochran, Publ. Dept. Astron. Univ. Texas 16, 1 (1980).
H. L. Johnson and R. I. Mitchel, Rev. Mex. Astron. Astrofis. 1, 299 (1975).
A. A. Arkharov, E. I. Hagen-Thorn, and E. V. Ruban, Izv. Glav. Astron. Obs. Pulkovo 215, 5 (2000).
General Catalog of Variable Stars, Ed. by P. N. Kholopova (Nauka, Moscow, 1985) [in Russian].
A. A. Arkharov, T. Yu. Puzakova, and E. V. Ruban, Izv. Glav. Astron. Obs. Pulkovo 212, 247 (1998).
A. A. Arkharov, T. Yu. Puzakova, and E. V. Ruban, Izv. Glav. Astron. Obs. Pulkovo 212, 261 (1998).
A. A. Arkharov, T. Yu. Puzakova, and E. V. Ruban, Izv. Glav. Astron. Obs. Pulkovo 212, 277 (1998).
A. A. Arkharov, E. I. Hagen-Thorn, T. Yu. Puzakova, and E. V. Ruban, Izv. Glav. Astron. Obs. Pulkovo 216, 483 (2002).
E. I. Pustyl’nik, Statistical Methods for the Analysis and Reduction of Observations (Nauka, Moscow, 1968) [in Russian].
T. A. Agekyan, Foundations of Error Theory for Astronomers and Physics (Nauka, Moscow, 1972) [in Russian].
A. A. Arkharov, E. I. Hagen-Thorn, and E. V. Ruban, Izv. Glav. Astron. Obs. Pulkovo 215, 21 (2000).
The Hipparcos and Tycho Catalogues, ESA SP-1200 (1997).
Author information
Authors and Affiliations
Additional information
__________
Translated from Astronomicheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 82, No. 7, 2005, pp. 590–600.
Original Russian Text Copyright © 2005 by Arkharov, Hagen-Thorn, Ruban.
Rights and permissions
About this article
Cite this article
Arkharov, A.A., Hagen-Thorn, E.I. & Ruban, E.V. Variability of stars in the Pulkovo spectrophotometric catalog. Astron. Rep. 49, 526–534 (2005). https://doi.org/10.1134/1.1985950
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1134/1.1985950