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\textbf{Scaling formulas were} deduced to describe the relations between the fundamental stellar parameters and the mean \textbf{linewidth and lifetime} of solar-like oscillations of stars. The mean \textbf{linewidth and} lifetime of…

Solar and Stellar Astrophysics · Physics 2018-06-05 Wuming Yang

We investigate different amplitude scaling relations adopted for the asteroseismology of stars that show solar-like oscillations. Amplitudes are among the most challenging asteroseismic quantities to handle because of the large…

Solar and Stellar Astrophysics · Physics 2015-06-12 E. Corsaro , H. -E. Fröhlich , A. Bonanno , D. Huber , T. R. Bedding , O. Benomar , J. De Ridder , D. Stello

We obtain a universal relation for the neutron star maximum mass arising from a particular combination of the saturation density ($n_0$), the effective mass ($m^*$), and (when present) the vector meson self-coupling constant ($\zeta$)…

Nuclear Theory · Physics 2025-10-28 Gihwan Nam , Yeunhwan Lim , Jeremy W. Holt

The scaling relationship is a fundamental probe of the evolution of galaxies. Using the integral field spectroscopic data from the Mapping Nearby Galaxies at Apache Point Observatory survey, we select 1698 spaxels with significant detection…

Astrophysics of Galaxies · Physics 2022-02-23 Yao Yao , Haiyang Liu , Xu Kong , Yulong Gao , Guangwen Chen , Xinkai Chen , Zhixiong Liang , Zesen Lin , Yimeng Tang , Hongxin Zhang

We model the oscillations of the SONG target $\mu$ Herculis to estimate the parameters of the star. The $\ell$ = 1 mixed modes of $\mu$ Her provide strong constraints on stellar properties. The mass and age given by our asteroseismic…

Solar and Stellar Astrophysics · Physics 2018-11-06 Tanda Li , Timothy R. Bedding , Hans Kjeldsen , Dennis Stello , Jørgen Christensen-Dalsgaard , Licai Deng

Studying galaxies at different cosmic epochs entails several observational effects that need to be taken into account to compare populations across a large time span in a consistent manner. We use a sample of 166 nearby galaxies that hosted…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-22 A. Paulino-Afonso , S. González-Gaitán , L. Galbany , A. M. Mourão , C. R. Angus , M. Smith , J. P. Anderson , J. D. Lyman , H. Kuncarayakti , M. A. Rodrigues

We study the role of environment in the evolution of central and satellite galaxies with the Sloan Digital Sky Survey. We begin by studying the size-mass relation, replicating previous studies, which showed no difference between the sizes…

Astrophysics of Galaxies · Physics 2017-02-20 Ashley Spindler , David Wake

The abundance of galaxy clusters as a function of mass and redshift is a well known powerful cosmological probe, which relies on underlying modelling assumptions on the mass-observable relations (MOR). Some of the MOR parameters can be…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-22 Priyanka Singh , Alex Saro , Matteo Costanzi , Klaus Dolag

Asteroseismology gives us the opportunity to better characterize binaries and their products, and shed light on their role in Galactic populations. We estimate occurrence rates, mass distributions, and evolutionary states of asteroseismic…

Solar and Stellar Astrophysics · Physics 2025-07-02 A. Mazzi , J. S. Thomsen , A. Miglio , K. Brogaard , L. Girardi , D. Bossini , M. Matteuzzi , W. E. van Rossem

The impact of rotation on the properties of low-mass stars at different evolutionary stages is first described by discussing the properties of stellar models computed with shellular rotation. The observational constraints that are currently…

Solar and Stellar Astrophysics · Physics 2015-06-22 Patrick Eggenberger

Many physical properties of galaxies correlate with one another, and these correlations are often used to constrain galaxy formation models. Such correlations include the color-magnitude relation, the luminosity-size relation, the…

Astrophysics · Physics 2009-11-13 Graziano Rossi , Ravi K. Sheth

Gas accretion and stellar feedback processes link metal content, star formation, and gas and stellar mass (and the potential depth) in star-forming galaxies. Constraining this hypersurface has been challenging because of the need for…

Astrophysics of Galaxies · Physics 2021-12-22 C. Tortora , L. K. Hunt , M. Ginolfi

This work is devoted to improving empirical mass-luminosity relations and mass-metallicity-luminosity relation for low mass stars. For these stars, observational data in the mass-luminosity plane or the mass-metallicity-luminosity space…

Astrophysics · Physics 2008-11-26 Fang Xia , Shulin Ren , Yanning Fu

In low-mass stars, the connection between magnetic activity, rotation period, and age provides key insights into the functioning of dynamos. Fully understanding the activity-rotation-age relationship requires stars with precise fundamental…

Solar and Stellar Astrophysics · Physics 2026-02-18 C. Pezzotti , J. Bétrisey , G. Buldgen , M. Gilfanov , I. Bikmaev , R. Sunyaev , E. Isık , E. Gosset , N. J. Wright

We present scaling relations between the virial velocity (V) and the one-dimensional central velocity dispersion (Sig0); the gravitational radius (Rv) and the effective radius (Re); and the total mass (M) and the luminous mass (ML) found in…

Astrophysics · Physics 2007-05-23 H. Aceves , H. Velazquez

With the experimental data from STAR, PHENIX and BRAHMS on the centrality and rapidity dependence of the $p_T$ spectrum in Au+Au and d+Au collisions, we show that there exists a scaling distribution which is independent of the colliding…

Nuclear Theory · Physics 2008-11-26 L. L. Zhu , C. B. Yang

Extracting the three dimensional power spectrum from the 2D distribution of galaxies has become a standard tool of cosmology. This extraction requires some assumptions about the scaling of the power spectrum with redshift; all treatments to…

Astrophysics · Physics 2007-05-23 R. Scranton , S. Dodelson

We use a state-of-the-art semi-analytic model to study the size and the specific angular momentum of galaxies. Our model includes a specific treatment for the angular momentum exchange between different galactic components. Disk scale radii…

Astrophysics of Galaxies · Physics 2018-08-28 Anna Zoldan , Gabriella De Lucia , Lizhi Xie , Fabio Fontanot , Michaela Hirschmann

We present the first measurements of the X-ray size-temperature (ST) relation in intermediate redshift (z~0.30) galaxy clusters. We interpret the local ST relation (z~0.06) in terms of underlying scaling relations in the cluster dark matter…

Astrophysics · Physics 2009-10-31 Joseph J. Mohr , Erik D. Reese , E. Ellingson , Aaron D. Lewis , August E. Evrard

Recent observational results indicate that the functional shape of the spatially-resolved star formation-molecular gas density relation depends on the spatial scale considered. These results may indicate a fundamental role of sampling…

Astrophysics of Galaxies · Physics 2015-06-04 Daniela Calzetti , Guilin Liu , Jin Koda