Mihael Kodric
Cepheids in M31: The PAndromeda Cepheid Sample
Kodric, Mihael; Riffeser, Arno; Hopp, Ulrich; Goessl, Claus; Seitz, Stella; Bender, Ralf; Koppenhoefer, Johannes; Obermeier, Christian; Snigula, Jan; Lee, Chien-Hsiu; Burgett, W.S.; Draper, P.W.; Hodapp, K.W.; Kaiser, N.; Kudritzki, R.-P.; Metcalfe, N.; Tonry, J.L.; Wainscoat, R.J.
Authors
Arno Riffeser
Ulrich Hopp
Claus Goessl
Stella Seitz
Ralf Bender
Johannes Koppenhoefer
Christian Obermeier
Jan Snigula
Chien-Hsiu Lee
W.S. Burgett
Dr Peter Draper p.w.draper@durham.ac.uk
Senior Computer Programmer
K.W. Hodapp
N. Kaiser
R.-P. Kudritzki
Dr Nigel Metcalfe nigel.metcalfe@durham.ac.uk
Assistant Professor
J.L. Tonry
R.J. Wainscoat
Abstract
We present the largest Cepheid sample in M31 based on the complete Pan-STARRS1 survey of Andromeda (PAndromeda) in the r P1, i P1, and g P1 bands. We find 2686 Cepheids with 1662 fundamental-mode Cepheids, 307 first-overtone Cepheids, 278 type II Cepheids, and 439 Cepheids with undetermined Cepheid type. Using the method developed by Kodric et al., we identify Cepheids by using a three-dimensional parameter space of Fourier parameters of the Cepheid light curves combined with a color cut and other selection criteria. This is an unbiased approach to identify Cepheids and results in a homogeneous Cepheid sample. The period–luminosity relations obtained for our sample have smaller dispersions than in our previous work. We find a broken slope that we previously observed with HST data in Kodric et al., albeit with a lower significance.
Citation
Kodric, M., Riffeser, A., Hopp, U., Goessl, C., Seitz, S., Bender, R., …Wainscoat, R. (2018). Cepheids in M31: The PAndromeda Cepheid Sample. Astronomical Journal, 156(3), Article 130. https://doi.org/10.3847/1538-3881/aad40f
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 19, 2018 |
Online Publication Date | Aug 29, 2018 |
Publication Date | Aug 29, 2018 |
Deposit Date | Sep 13, 2018 |
Publicly Available Date | Sep 13, 2018 |
Journal | Astronomical Journal |
Print ISSN | 0004-6256 |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 156 |
Issue | 3 |
Article Number | 130 |
DOI | https://doi.org/10.3847/1538-3881/aad40f |
Public URL | https://durham-repository.worktribe.com/output/1320286 |
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Copyright Statement
© 2018. The American Astronomical Society. All rights reserved.
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