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The Astrophysical Journal Letters (ApJL)

Resumen/Descripción – provisto por la editorial en inglés
The Astrophysical Journal Letters is an open access express scientific journal that allows astrophysicists to rapidly publish short notices of significant original research. ApJL articles are timely, high-impact, and broadly understandable.
Palabras clave – provistas por la editorial

astronomy; astrophysics

Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde ene. 2010 / hasta dic. 2023 IOPScience

Información

Tipo de recurso:

revistas

ISSN impreso

2041-8205

ISSN electrónico

2041-8213

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

FAST Globular Cluster Pulsar Survey: Twenty-four Pulsars Discovered in 15 Globular Clusters

Zhichen PanORCID; Lei QianORCID; Xiaoyun Ma; Kuo LiuORCID; Lin WangORCID; Jintao Luo; Zhen YanORCID; Scott RansomORCID; Duncan LorimerORCID; Di LiORCID; Peng Jiang

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

Pp. L28

A Number of nearby Moving Groups May Be Fragments of Dissolving Open Clusters

Jonathan GagnéORCID; Jacqueline K. FahertyORCID; Leslie MorantaORCID; Mark PopinchalkORCID

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

Pp. L29

Zero-metallicity Hypernova Uncovered by an Ultra-metal-poor Star in the Sculptor Dwarf Spheroidal Galaxy*

Ása SkúladóttirORCID; Stefania SalvadoriORCID; Anish M. AmarsiORCID; Eline TolstoyORCID; Michael J. IrwinORCID; Vanessa Hill; Pascale JablonkaORCID; Giuseppina BattagliaORCID; Else StarkenburgORCID; Davide MassariORCID; Amina HelmiORCID; Lorenzo PostiORCID

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

Pp. L30

Selection of Three (Extreme)Ultraviolet Channels for Solar Satellite Missions by Deep Learning

Daye LimORCID; Yong-Jae MoonORCID; Eunsu ParkORCID; Jin-Yi LeeORCID

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

Pp. L31

Dependencies of Mantle Shock Heating in Pairwise Accretion

Travis S. J. GabrielORCID; Harrison Allen-SutterORCID

<jats:title>Abstract</jats:title> <jats:p>The final assembly of planets involves mutual collisions of large similar-sized protoplanets (“giant impacts”), setting the stage for modern geologic and atmospheric processes. However, thermodynamic consequences of impacts in diverse (exo)planetary systems/models are poorly understood. Impact velocity in “self-stirred” systems is proportional to the mass of the colliding bodies (<jats:italic>v</jats:italic> <jats:sub>imp</jats:sub> ∝ <jats:italic>M</jats:italic> <jats:sup>1/3</jats:sup>), providing a predictable transition to supersonic collisions in roughly Mars-sized bodies. In contrast, nearby larger planets, or migrating gas giants, stir impact velocities, producing supersonic collisions between smaller protoplanets and shifting outcomes to disruption and nonaccretion. Our particle hydrocode simulations suggest that thermodynamic processing can be enhanced in merging collisions more common to calmer dynamical systems due to post-impact processes that scale with the mass of the accreting remnant. Thus, impact heating can involve some contribution from energy scaling, a departure from pure velocity-scaling in cratering scenarios. Consequently, planetary thermal history depends <jats:italic>intimately</jats:italic> on the initial mass distribution assumptions and dynamical conditions of formation scenarios. In even the gentlest pairwise accretions, sufficiently large bodies feature debris fields dominated by melt and vapor. This likely plays a critical role in the observed diversity of exoplanet systems and certain debris disks. Furthermore, we suggest solar system formation models that involve self-stirred dynamics or only one to a few giant impacts between larger-than-Mars-sized bodies (e.g., “pebble accretion”) are more congruent with the “missing mantle problem” for the main belt, as we demonstrate debris would be predominantly vapor and thus less efficiently retained due to solar radiation pressure effects.</jats:p>

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

Pp. L32

Stars Lensed by the Supermassive Black Hole in the Center of the Milky Way: Predictions for ELT, TMT, GMT, and JWST

Michał J. MichałowskiORCID; Przemek MrózORCID

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

Pp. L33

A Red Giant Branch Common-envelope Evolution Scenario for the Exoplanet WD 1856 b

Ariel Merlov; Ealeal Bear; Noam SokerORCID

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

Pp. L34

Evidence for Hierarchical Black Hole Mergers in the Second LIGO–Virgo Gravitational Wave Catalog

Chase KimballORCID; Colm TalbotORCID; Christopher P L BerryORCID; Michael ZevinORCID; Eric ThraneORCID; Vicky KalogeraORCID; Riccardo BuscicchioORCID; Matthew CarneyORCID; Thomas DentORCID; Hannah MiddletonORCID; Ethan PayneORCID; John VeitchORCID; Daniel WilliamsORCID

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

Pp. L35

A Preponderance of Perpendicular Planets

Simon H. AlbrechtORCID; Marcus L. MarcussenORCID; Joshua N. WinnORCID; Rebekah I. DawsonORCID; Emil KnudstrupORCID

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

Pp. L1

A Circumplanetary Disk around PDS70c

Myriam BenistyORCID; Jaehan BaeORCID; Stefano FacchiniORCID; Miriam KepplerORCID; Richard TeagueORCID; Andrea IsellaORCID; Nicolas T. KurtovicORCID; Laura M. PérezORCID; Anibal SierraORCID; Sean M. AndrewsORCID; John CarpenterORCID; Ian CzekalaORCID; Carsten DominikORCID; Thomas HenningORCID; Francois MenardORCID; Paola PinillaORCID; Alice ZurloORCID

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

Pp. L2