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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

fisica

Ciencias físicas

Tabla de contenidos

doi: 10.3847/1538-4357/ac0053

Searching for Dwarf Galaxies in Gaia DR2 Phase-space Data Using Wavelet Transforms

Elise Darragh-FordORCID; Ethan O. NadlerORCID; Sean McLaughlinORCID; Risa H. WechslerORCID

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

Pp. 48

doi: 10.3847/1538-4357/ac0337

General Exact Law of Compressible Isentropic Magnetohydrodynamic Flows: Theory and Spacecraft Observations in the Solar Wind

P. SimonORCID; F. Sahraoui

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

Pp. 49

doi: 10.3847/1538-4357/abff54

RR Lyrae Stars in Stellar Streams with Gaia: The Escapers

Mohamad AbbasORCID; Eva K. GrebelORCID; Mirko Simunovic

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

Pp. 49

doi: 10.3847/1538-4357/ac0257

Spatial Variation in Strong Line Ratios and Physical Conditions in Two Strongly Lensed Galaxies at z ∼ 1.4

Michael K. FlorianORCID; Jane R. RigbyORCID; Ayan Acharyya; Keren SharonORCID; Michael D. GladdersORCID; Lisa KewleyORCID; Gourav KhullarORCID; Katya Gozman; Gabriel BrammerORCID; Ivelina MomchevaORCID; David NichollsORCID; Stephanie LaMassaORCID; Håkon DahleORCID; Matthew B. BaylissORCID; Eva WuytsORCID; Traci JohnsonORCID; Katherine WhitakerORCID

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

Pp. 50

doi: 10.3847/1538-4357/abff4b

Studies of RR Lyrae Variables in Binary Systems. I. Evidence of a Trimodal Companion Mass Distribution

Gergely HajduORCID; Grzegorz PietrzyńskiORCID; Johanna JurcsikORCID; Márcio CatelanORCID; Paulina KarczmarekORCID; Bogumił PileckiORCID; Igor SoszyńskiORCID; Andrzej UdalskiORCID; Ian B. Thompson

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

Pp. 50

doi: 10.3847/1538-4357/ac00b9

Limits on Millimeter Continuum Emission from Circumplanetary Material in the DSHARP Disks

Sean M. AndrewsORCID; William Elder; Shangjia ZhangORCID; Jane HuangORCID; Myriam BenistyORCID; Nicolás T. KurtovicORCID; David J. WilnerORCID; Zhaohuan ZhuORCID; John M. CarpenterORCID; Laura M. PérezORCID; Richard TeagueORCID; Andrea IsellaORCID; Luca RicciORCID

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

Pp. 51

doi: 10.3847/1538-4357/abfe67

Investigating Cold Dust Properties of 12 Nearby Dwarf Irregular Galaxies by Hierarchical Bayesian Spectral Energy Distribution Fitting

Zhengxue ChangORCID; Jianjun ZhouORCID; Isabella LampertiORCID; Amélie Saintongel; Jarken Esimbek; Dalei Li; Yuxin HeORCID; Jianjie QiuORCID; Jun Li; Zeming Zhou; Xindi TangORCID; Gang WuORCID; Weiguang Ji; Mengke Zhao; Minhua ZhouORCID

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

Pp. 51

doi: 10.3847/1538-4357/ac004b

The 3.3 μm Infrared Emission Feature: Observational and Laboratory Constraints on Its Carrier

Alan T. TokunagaORCID; Lawrence S. BernsteinORCID

<jats:title>Abstract</jats:title> <jats:p>We examine the self-consistency of laboratory and observational data for potential carriers of the 3.3 <jats:italic>μ</jats:italic>m infrared emission feature (IEF), a member of the ubiquitous family of strong interstellar IEFs at 3.3, 3.4, 6.2, 7.7, 8.6, 11.2, and 12.7 <jats:italic>μ</jats:italic>m. Previous studies have shown that most Galactic sources (reflection nebulae, H <jats:sc>ii</jats:sc> regions, and planetary nebulae) show 3.3 <jats:italic>μ</jats:italic>m IEFs displaying similar central wavelengths, FWHM, and profiles. Our study is focused on the band profile designated as Class A, the most prevalent of four classes of observed band profiles. In contrast to the observations, laboratory spectra for gas phase polycyclic aromatic hydrocarbons (PAHs), the widely assumed carriers of the IEFs, display central wavelength shifts, widths, and profiles that vary with temperature and PAH size. We present an extrapolation of the laboratory band shifts and widths for smaller PAHs (≤32 carbon atoms) to the larger PAHs (&gt;50 carbon atoms) that are thought to be the IEF carriers. The extrapolation leads to tight constraints on the sizes of the putative PAH carriers. Reconciling the observations with the implications of the laboratory spectra pose a significant challenge to the PAH and other IEF carrier hypotheses.</jats:p>

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

Pp. 52

doi: 10.3847/1538-4357/abfdbc

Turbulent Generation of Magnetic Switchbacks in the Alfvénic Solar Wind

Munehito ShodaORCID; Benjamin D. G. ChandranORCID; Steven R. CranmerORCID

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

Pp. 52

doi: 10.3847/1538-4357/abf8b2

Uniform Forward-modeling Analysis of Ultracool Dwarfs. I. Methodology and Benchmarking

Zhoujian ZhangORCID; Michael C. LiuORCID; Mark S. MarleyORCID; Michael R. LineORCID; William M. J. BestORCID

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

Pp. 53