# Anchors for the cosmic distance scale: the Cepheid QZ Normae in the open cluster NGC 6067

@article{Majaess2013AnchorsFT,
title={Anchors for the cosmic distance scale: the Cepheid QZ Normae in the open cluster NGC 6067},
author={D. Majaess and Laura K. Sturch and Christian Moni Bidin and Mario Soto and W. P. Gieren and Roger E. Cohen and Francesco Mauro and Douglas Geisler and Charles Bonatto and J. Borissova and Dante Minniti and David Gerald Turner and David J. Lane and B. F. Madore and Giovanni Carraro and Leonid N. Berdnikov},
journal={Astrophysics and Space Science},
year={2013},
volume={347},
pages={61-70}
}
• Published 16 May 2013
• Physics
• Astrophysics and Space Science
Cepheids are key to establishing the cosmic distance scale. Therefore it’s important to assess the viability of QZ Nor, V340 Nor, and GU Nor as calibrators for Leavitt’s law via their purported membership in the open cluster NGC 6067. The following suite of evidence confirms that QZ Nor and V340 Nor are members of NGC 6067, whereas GU Nor likely lies in the foreground: (i) existing radial velocities for QZ Nor and V340 Nor agree with that established for the cluster ($-39.4\pm0.2(\sigma_{\bar… ## Figures and Tables from this paper Anchors for the cosmic distance scale: the Cepheids U Sagittarii, CF Cassiopeiae, and CEab Cassiopeiae • Physics • 2013 New and existing X-ray, UB V JHKsW(1−4), and spectroscopic observations were analyzed to constrain fundamental parameters for M 25, NGC 7790, and dust along their sight-lines. The star clusters are Investigating potential planetary nebula/cluster pairs • Physics • 2014 Context. Fundamental parameters characterizing the end-state of intermediate-mass stars may be constrained by discovering planetary nebulae (PNe) in open clusters (OCs). Cluster membership may be Further Studies of the Association of Planetary Nebula BMP J16135406 with Galactic Open Cluster NGC 6067 • Physics Galaxies • 2022 Planetary Nebulae (PNe) that are physical members of Galactic open clusters are powerful probes that allow precise determination of their distance and crucially their initial mass on the main PROPERTIES OF THE OPEN CLUSTER TOMBAUGH 1 FROM HIGH-RESOLUTION SPECTROSCOPY AND uvbyCaHβ PHOTOMETRY • Physics • 2015 Open clusters can be the key to deepen our knowledge on various issues involving the structure and evolution of the Galactic disk and details of stellar evolution because a cluster's properties are A revisited study of Cepheids in open clusters in the Gaia era • Computer Science • 2021 It is concluded that the usage of cluster Cepheids as tentative probes of the period-age relations still faces difficulties due to the sparsely populated red giant branch and the stochastically sampled main-sequence turn-off of the open clusters, making age determinations a challenging task. Revisiting the fundamental properties of the Cepheid Polaris using detailed stellar evolution models Polaris the Cepheid has been observed for centuries, presenting surprises and changing our view of Cepheids and stellar astrophysics, in general. Specifically, understanding Polaris helps anchor the The way to a double degenerate: ∼15-20 per cent of 1 M ☉ ≤ M ≤ 8 M ☉ stars have an M > 1 M ☉ companion • Physics • 2017 We find that$\sim 15-20$per cent of A-type stars or red giants are bound with a massive companion ($M_{\rm secondary} > 1M_{\odot}$) in an intermediate wide orbit ($0.5<P<5000\mbox{ yr}\$). These
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