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The Astrophysical Journal (ApJ)

Resumen/Descripción – provisto por la editorial en inglés
The Astrophysical Journal is an open access journal devoted to recent developments, discoveries, and theories in astronomy and astrophysics. Publications in ApJ constitute significant new research that is directly relevant to astrophysical applications, whether based on observational results or on theoretical insights or modeling.
Palabras clave – provistas por la editorial

astronomy; astrophysics

Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde jul. 1995 / hasta dic. 2023 IOPScience

Información

Tipo de recurso:

revistas

ISSN impreso

0004-637X

ISSN electrónico

1538-4357

Editor responsable

American Astronomical Society (AAS)

Idiomas de la publicación

  • inglés

País de edición

Reino Unido

Información sobre licencias CC

https://creativecommons.org/licenses/by/4.0/

Cobertura temática

Tabla de contenidos

Magnetic Connections across the Chromosphere–Corona Transition Region

Philip JudgeORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 70

An MHD Modeling of the Successive X2.2 and X9.3 Solar Flares of 2017 September 6

Satoshi InoueORCID; Yumi BambaORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 71

Observational Evidence for a Thick Disk of Dark Molecular Gas in the Outer Galaxy

Michael P. BuschORCID; Philip D. EngelkeORCID; Ronald J. Allen; David E. Hogg

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 72

How Merger-driven Gas Motions in Galaxy Clusters Can Turn AGN Bubbles into Radio Relics

John A. ZuHoneORCID; Maxim MarkevitchORCID; Rainer WeinbergerORCID; Paul Nulsen; Kristian Ehlert

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 73

Erratum: “Detecting and Characterizing Young Quasars. I. Systemic Redshifts and Proximity Zones Measurements” (2020, ApJ, 900, 37)

Anna-Christina EilersORCID; Joseph F. HennawiORCID; Roberto DecarliORCID; Frederick B. DaviesORCID; Bram VenemansORCID; Fabian WalterORCID; Eduardo BañadosORCID; Xiaohui FanORCID; Emanuele P. FarinaORCID; Chiara MazzucchelliORCID; Mladen NovakORCID; Jan-Torge SchindlerORCID; Robert A. SimcoeORCID; Feige WangORCID; Jinyi YangORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 74

Eccentricity without Measuring Eccentricity: Discriminating among Stellar Mass Black Hole Binary Formation Channels

Lisa Randall; Zhong-Zhi Xianyu

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 75

Extension of the Synchrotron Radiation of Electrons to Very High Energies in Clumpy Environments

Dmitry KhangulyanORCID; Felix AharonianORCID; Carlo RomoliORCID; Andrew TaylorORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 76

The MAVERIC Survey: Dynamical Origin of Radio Sources in Galactic Globular Clusters

Yue ZhaoORCID; Craig O. HeinkeORCID; Laura ShishkovskyORCID; Jay StraderORCID; Laura ChomiukORCID; Thomas J. Maccarone; Arash BahramianORCID; Gregory R. SivakoffORCID; James C. A. Miller-JonesORCID; Evangelia TremouORCID

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 77

Erosion and Accretion by Cratering Impacts on Rocky and Icy Bodies

Ryuki HyodoORCID; Hidenori GendaORCID

<jats:title>Abstract</jats:title> <jats:p>During planet formation, numerous small impacting bodies result in cratering impacts on large target bodies. A fraction of the target surface is eroded, while a fraction of the impactor material accretes onto the surface. These fractions depend upon the impact velocities, the impact angles, and the escape velocities of the target. This study uses smoothed particle hydrodynamics simulations to model cratering impacts onto a planar icy target for which gravity is the dominant force and material strength is neglected. By evaluating numerical results, scaling laws are derived for the escape mass of the target material and the accretion mass of the impactor material onto the target surface. Together with recently derived results for rocky bodies in a companion study, a conclusion is formulated that typical cratering impacts on terrestrial planets, except for those on Mercury, led to a net accretion, while those on the moons of giant planets, e.g., Rhea and Europa, led to a net erosion. Our newly derived scaling laws would be useful for predicting the erosion of the target body and the accretion of the impactor for a variety of cratering impacts that would occur on large rocky and icy planetary bodies during planet formation and collisional evolution from ancient times to today.</jats:p>

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 77

The Lopsided Distribution of Satellites of Isolated Central Galaxies

Peng WangORCID; Noam I. Libeskind; Marcel S. PawlowskiORCID; Xi KangORCID; Wei Wang; Quan Guo; Elmo TempelORCID

<jats:title>Abstract</jats:title> <jats:p>Satellites are not randomly distributed around their central galaxies but show polar and planar structures. In this paper, we investigate the axis asymmetry or lopsidedness of satellite galaxy distributions around isolated galaxies in a hydrodynamic cosmological simulation. We find a statistically significant lopsided signal by studying the angular distribution of the satellite galaxies’ projected positions around isolated central galaxies in a two-dimensional plane. The signal is dependent on galaxy mass, color, and large-scale environment. Satellites that inhabit low-mass blue hosts, or located further from the hosts, show the most lopsided signal. Galaxy systems with massive neighbors exhibit stronger lopsidedness. This satellite axis-asymmetry signal also decreases as the universe evolves. Our findings are in agreement with recent observational results and they provide a useful perspective for studying galaxy evolution, especially on the satellite accretion, internal evolution, and interaction with the cosmic large-scale structure.</jats:p>

Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.

Pp. 78