Statistical properties of Galactic δ Scuti stars: revisited
We present statistical characteristics of 1578 δ Scuti stars including nearby field stars and
cluster member stars within the Milky Way. We obtained 46% of these stars (718 stars) from …
cluster member stars within the Milky Way. We obtained 46% of these stars (718 stars) from …
The Interferometric Binary ϵ Cnc in Praesepe: Precise Masses and Age
LM Morales, EL Sandquist, GH Schaefer… - The Astronomical …, 2022 - iopscience.iop.org
We observe the brightest member of the Praesepe cluster, epsilon Cnc, to precisely
measure the characteristics of the stars in this binary system, en route to a new …
measure the characteristics of the stars in this binary system, en route to a new …
Rotational splitting and asteroseismic modeling of the δ Scuti star EE Camelopardalis
X Chen, Y Li - The Astrophysical Journal, 2017 - iopscience.iop.org
According to the rotational splitting law of g modes, the frequency spectra of EE Cam can be
disentangled only with oscillation modes of ℓ= 0, 1, and 2. Fifteen sets of rotational splits …
disentangled only with oscillation modes of ℓ= 0, 1, and 2. Fifteen sets of rotational splits …
On the effects of rotation on acoustic stellar pulsations: validity domains of perturbative methods and close frequency pairs
KD Burke, DR Reese… - Monthly Notices of the …, 2011 - academic.oup.com
Pulsation frequencies of acoustic modes are calculated for realistic rotating stellar models
using both a perturbative and a two-dimensional approach. A comparison between the two …
using both a perturbative and a two-dimensional approach. A comparison between the two …
THE TAIWAN–AMERICAN OCCULTATION SURVEY PROJECT STELLAR VARIABILITY. I. DETECTION OF LOW-AMPLITUDE δ SCUTI STARS
We analyzed data accumulated during 2005 and 2006 by the Taiwan–American Occultation
Survey (TAOS) in order to detect short-period variable stars (periods of≲ 1 hr) such as δ …
Survey (TAOS) in order to detect short-period variable stars (periods of≲ 1 hr) such as δ …
HR 7920: a very bright new Delta Scuti star with possible Gamma Doradus variations
C Koen, F van Wyk, CD Laney… - Monthly Notices of the …, 2017 - academic.oup.com
We present photometric and high-dispersion spectroscopic measurements that show HR
7920 is a periodic variable. The photometry reveals at least four frequencies higher that 10 …
7920 is a periodic variable. The photometry reveals at least four frequencies higher that 10 …
Photometric and spectroscopic investigations of the Galactic field RRc candidates V764 Mon and HY Com
JM Benko, A Sodor, A Pal - arXiv preprint arXiv:2103.02367, 2021 - arxiv.org
By analyzing photometric and spectroscopic time series in this paper, we show that the
pulsator V764 Mon, assumed to be the brightest RR Lyrae star in the sky, is in fact a rapidly …
pulsator V764 Mon, assumed to be the brightest RR Lyrae star in the sky, is in fact a rapidly …
Chemical composition of δ Scuti stars: 1. AO CVn, CP Boo, KW Aur
AI Galeev, DV Ivanova, VV Shimansky, IF Bikmaev - Astronomy Reports, 2012 - Springer
We used high-resolution echelle spectra acquired with the 1.5-m Russian-Turkish
Telescope to determine the fundamental atmospheric parameters and abundances of 30 …
Telescope to determine the fundamental atmospheric parameters and abundances of 30 …
Mg, Al, Si, Ca, Ti, Fe and Ni abundances for a sample of solar analogues
R López-Valdivia, E Bertone… - Monthly Notices of the …, 2017 - academic.oup.com
We report on the determination of chemical abundances of 38 solar analogues, including 11
objects previously identified as super-metal-rich stars. We have measured the equivalent …
objects previously identified as super-metal-rich stars. We have measured the equivalent …
Two-site CCD observations and spectroscopy of HD 207331: A new δ Scuti variable in Cygnus
The results of an observational campaign on the new δ Scuti pulsator HD 207331 are
reported. The star was observed photometrically from August 26 to September 2, 2009 from …
reported. The star was observed photometrically from August 26 to September 2, 2009 from …