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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

VERY HIGH ENERGY OBSERVATIONS OF THE BINARIES V 404 CYG AND 4U 0115+634 DURING GIANT X-RAY OUTBURSTS

A. Archer; W. Benbow; R. Bird; E. Bourbeau; M. Buchovecky; J. H. Buckley; V. Bugaev; K. Byrum; M. Cerruti; M. P. Connolly; W. Cui; M. Errando; A. Falcone; Q. Feng; M. Fernandez-Alonso; J. P. Finley; H. Fleischhack; A. Flinders; L. Fortson; A. Furniss; S. Griffin; J. Grube; M. Hütten; D. Hanna; O. Hervet; J. Holder; T. B. Humensky; C. A. Johnson; P. Kaaret; P. Kar; N. Kelley-Hoskins; M. Kertzman; D. Kieda; M. Krause; S. Kumar; M. J. Lang; T. T. Y. Lin; G. Maier; P. Moriarty; R. Mukherjee; D. Nieto; S. O’Brien; R. A. Ong; N. Park; M. Pohl; A. Popkow; E. Pueschel; J. Quinn; K. Ragan; P. T. Reynolds; G. T. Richards; E. Roache; J. Rousselle; A. C. Rovero; I. Sadeh; S. Schlenstedt; G. H. Sembroski; K. Shahinyan; D. Staszak; I. Telezhinsky; J. Tyler; S. P. Wakely; P. Wilcox; A. Wilhelm; D. A. Williams

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

Pp. 113

ERRATUM: “SURVEY OBSERVATIONS OF A POSSIBLE GLYCINE PRECURSOR, METHANIMINE (CH2NH)” (2016, ApJ, 825, 79)

Taiki SuzukiORCID; Masatoshi Ohishi; Tomoya HirotaORCID; Masao SaitoORCID; Liton Majumdar; Valentine WakelamORCID

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

Pp. 114

GAMMA-RAY EMISSION FROM PSR J0007+7303 USING SEVEN YEARS OF FERMI LARGE AREA TELESCOPE OBSERVATIONS

Jian LiORCID; Diego F. TorresORCID; Emma de Oña Wilhelmi; Nanda ReaORCID; Jonatan Martin

<jats:title>ABSTRACT</jats:title> <jats:p>Based on more than seven years of <jats:italic>Fermi</jats:italic> Large Area Telescope Pass 8 data, we report on a detailed analysis of the bright gamma-ray pulsar (PSR) J0007+7303. We confirm that PSR J0007+7303 is significantly detected as a point source also during the off-peak phases with a test statistic value of 262 (∼16<jats:italic>σ</jats:italic>). In the description of the off-peak spectrum of PSR J0007+7303, a power law with an exponential cutoff at 2.7 ± 1.2 ± 1.3 GeV (the first/second uncertainties correspond to statistical/systematic errors) is preferred over a single power law at a level of 3.5<jats:italic>σ</jats:italic>. The possible existence of a cutoff hints at a magnetospheric origin of the emission. In addition, no extended gamma-ray emission is detected that is compatible with either the supernova remnant (CTA 1) or the very high-energy (&gt;100 GeV) pulsar wind nebula. A flux upper limit of 6.5 × 10<jats:sup>−12</jats:sup> erg cm<jats:sup>−2</jats:sup> s<jats:sup>−1</jats:sup> in the energy range 10–300 GeV is reported, for an extended source assuming the morphology of the VERITAS detection. During on-peak phases, a sub-exponential cutoff is significantly preferred (∼11<jats:italic>σ</jats:italic>) for representing the spectral energy distribution, in both the phase-averaged and phase-resolved spectra. Three glitches are detected during the observation period and we found no flux variability at the time of the glitches or in the long-term behavior. We also report the discovery of a previously unknown gamma-ray source in the vicinity of PSR J0007+7303, Fermi J0020+7328, which we associate with the <jats:italic>z</jats:italic> = 1.781 quasar S5 0016+73. A concurrent analysis of this source is needed to correctly characterize the behavior of CTA 1 and it is also presented in the paper.</jats:p>

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

Pp. 19

VOYAGEROBSERVATIONS OF MAGNETIC SECTORS AND HELIOSPHERIC CURRENT SHEET CROSSINGS IN THE OUTER HELIOSPHERE

J. D. RichardsonORCID; L. F. BurlagaORCID; J. F. Drake; M. E. Hill; M. OpherORCID

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

Pp. 115

A CONSTRAINT ON THE FORMATION TIMESCALE OF THE YOUNG OPEN CLUSTER NGC 2264: LITHIUM ABUNDANCE OF PRE-MAIN SEQUENCE STARS

Beomdu LimORCID; Hwankyung Sung; Jinyoung S. KimORCID; Michael S. BessellORCID; Narae Hwang; Byeong-Gon Park

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

Pp. 116

NATURE OF THE SOFT ULX IN NGC 247: SUPER-EDDINGTON OUTFLOW AND TRANSITION BETWEEN THE SUPERSOFT AND SOFT ULTRALUMINOUS REGIMES

Hua FengORCID; Lian Tao; Philip KaaretORCID; Fabien Grisé

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

Pp. 117

ON THE STAR FORMATION PROPERTIES OF VOID GALAXIES

Crystal M. MoormanORCID; Jackeline Moreno; Amanda White; Michael S. Vogeley; Fiona Hoyle; Riccardo Giovanelli; Martha P. HaynesORCID

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

Pp. 118

QUASI-PERIODIC ACCELERATION OF ELECTRONS IN THE FLARE ON 2012 JULY 19

Jing Huang; Eduard P. KontarORCID; Valery M. NakariakovORCID; Guannan Gao

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

Pp. 119

A DATA-DRIVEN ANALYTIC MODEL FOR PROTON ACCELERATION BY LARGE-SCALE SOLAR CORONAL SHOCKS

Kamen A. KozarevORCID; Nathan A. SchwadronORCID

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

Pp. 120

COLLIDING-WIND BINARIES WITH STRONG MAGNETIC FIELDS

R. Kissmann; K. ReitbergerORCID; O. ReimerORCID; A. Reimer; E. Grimaldo

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

Pp. 121