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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

fisica

Ciencias físicas

Tabla de contenidos

doi: 10.3847/2041-8213/ab77c8

The Influence of Late-stage Nuclear Burning on Red Supergiant Supernova Light Curves

Viktoriya Morozova; Anthony L. PiroORCID; Jim FullerORCID; Schuyler D. Van DykORCID

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

Pp. L32

doi: 10.3847/2041-8213/ab7661

On the Origin of High-energy Neutrinos from NGC 1068: The Role of Nonthermal Coronal Activity

Yoshiyuki InoueORCID; Dmitry KhangulyanORCID; Akihiro DoiORCID

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

Pp. L33

doi: 10.3847/2041-8213/ab7341

Accelerated Electrons Observed Down to <7 keV in a NuSTAR Solar Microflare

Lindsay GlesenerORCID; Säm Krucker; Jessie DuncanORCID; Iain G. HannahORCID; Brian W. GrefenstetteORCID; Bin ChenORCID; David M. SmithORCID; Stephen M. WhiteORCID; Hugh HudsonORCID

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

Pp. L34

doi: 10.3847/2041-8213/ab700c

Revealing the Dark Threads of the Cosmic Web

Joseph N. BurchettORCID; Oskar ElekORCID; Nicolas TejosORCID; J. Xavier ProchaskaORCID; Todd M. TrippORCID; Rongmon BordoloiORCID; Angus G. Forbes

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

Pp. L35

doi: 10.3847/2041-8213/ab7935

Betelgeuse Just Is Not That Cool: Effective Temperature Alone Cannot Explain the Recent Dimming of Betelgeuse

Emily M. LevesqueORCID; Philip MasseyORCID

<jats:title>Abstract</jats:title> <jats:p>We present optical spectrophotometry of the red supergiant (RSG) Betelgeuse from 2020 February 15, during its recent unprecedented dimming episode. By comparing this spectrum to stellar atmosphere models for cool supergiants, as well as spectrophotometry of other Milky Way RSGs, we conclude that Betelgeuse has a current effective temperature of 3600 ± 25 K. While this is slightly cooler than previous measurements taken prior to Betelgeuse’s recent lightcurve evolution, this drop in effective temperature is insufficient to explain Betelgeuse’s recent optical dimming. We propose that episodic mass loss and an increase in the amount of large-grain circumstellar dust along our sightline to Betelgeuse is the most likely explanation for its recent photometric evolution.</jats:p>

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

Pp. L37

doi: 10.3847/2041-8213/ab7998

A Nonthermal Bomb Explains the Near-infrared Superflare of Sgr A*

Eduardo M. GutiérrezORCID; Rodrigo NemmenORCID; Fabio CafardoORCID

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

Pp. L36

doi: 10.3847/2041-8213/ab7824

Spectropolarimetric Analysis of FRB 181112 at Microsecond Resolution: Implications for Fast Radio Burst Emission Mechanism

Hyerin ChoORCID; Jean-Pierre MacquartORCID; Ryan M. Shannon; Adam T. DellerORCID; Ian S. MorrisonORCID; Ron D. EkersORCID; Keith W. BannisterORCID; Wael FarahORCID; Hao QiuORCID; Mawson W. SammonsORCID; Matthew BailesORCID; Shivani BhandariORCID; Cherie K. DayORCID; Clancy W. JamesORCID; Chris J. PhillipsORCID; J. Xavier ProchaskaORCID; John Tuthill

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

Pp. L38

doi: 10.3847/2041-8213/ab7a1b

Testing the Hypothesis of a Compact-binary-coalescence Origin of Fast Radio Bursts Using a Multimessenger Approach

Min-Hao Wang; Shun-Ke Ai; Zheng-Xiang Li; Nan Xing; He GaoORCID; Bing ZhangORCID

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

Pp. L39

doi: 10.3847/2041-8213/ab79a2

Dynamics of Descending Knots in a Solar Prominence and Their Possible Contributions to the Heating of the Local Corona

Yi BiORCID; Bo YangORCID; Ting LiORCID; Yan Dong; Kaifan JiORCID

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

Pp. L40

doi: 10.3847/2041-8213/ab7a9c

Benzonitrile as a Proxy for Benzene in the Cold ISM: Low-temperature Rate Coefficients for CN + C6H6

Ilsa R. CookeORCID; Divita GuptaORCID; Joseph P. MessingerORCID; Ian R. SimsORCID

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

Pp. L41