New Galactic multi-mode Cepheids from the ASAS-SN Survey
Abstract
A systematic search for multi-mode Cepheids using the database of the ASAS-SN survey has led to the detection of thirteen new double-mode and two triple-mode Cepheids in the Galactic disk. These discoveries have increased the number of Galactic disk multi-mode Cepheids by 33%. One of the new triple-mode variables pulsates simultaneously in the fundamental and in the first and the second radial overtone modes and the other in the first three radial overtone modes. Overtone triple-mode Cepheids were identified only in the Galactic bulge and in the Large and Small Magellanic Clouds previously.
Keywords
Cite
@article{arxiv.1812.01575,
title = {New Galactic multi-mode Cepheids from the ASAS-SN Survey},
author = {Johanna Jurcsik and Gergely Hajdu and Márcio Catelan},
journal= {arXiv preprint arXiv:1812.01575},
year = {2018}
}
Comments
Accepted for publication in Acta Astronomica; 10 pages, 2 figures, 3 tables; v2: corrected minor typos and added clarification about the ASAS-SN classification probability parameters