Catálogo de publicaciones - revistas
Título de Acceso Abierto
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
Cobertura temática
Tabla de contenidos
Reverberation Mapping Measurements of Black Hole Masses and Broad-line Region Kinematics in Mrk 817 and NGC 7469
Kai-Xing Lu
; Jian-Guo Wang; Zhi-Xiang Zhang; Ying-Ke Huang; Liang Xu; Yu-Xin Xin; Xiao-Guang Yu; Xu Ding; De-Qing Wang; Hai-Cheng Feng
<jats:title>Abstract</jats:title> <jats:p>We present the results from a spectroscopic monitoring campaign to obtain reverberation mapping measurements and investigate the broad-line region (BLR) kinematics for active galactic nuclei (AGNs) of Mrk 817 and NGC 7469. This campaign was undertaken with the Lijiang 2.4 m telescope. The median spectroscopic sampling is 2.0 days for Mrk 817 and 1.0 day for NGC 7469. We detect time lags of the broad emission lines, including H<jats:italic>β</jats:italic>, H<jats:italic>γ</jats:italic>, He <jats:sc>ii,</jats:sc> and He <jats:sc>i</jats:sc> for both AGNs, including Fe <jats:sc>ii</jats:sc> for Mrk 817 with respect to the varying AGN continuum at 5100 Å. Investigating the relationship between line widths and time lags of the broad emission lines, we find that the BLR dynamics of Mrk 817 and NGC 7469 are consistent with the virial prediction. We estimate the masses of central supermassive black holes (SMBHs) and the accretion rates of both AGNs. Using the data of this campaign, we construct the velocity-resolved lag profiles of the broad H<jats:italic>γ</jats:italic>, H<jats:italic>β</jats:italic>, and He <jats:sc>i</jats:sc> lines for Mrk 817, which show almost the same kinematic signatures in that the time lags in the red wing are slightly larger than the time lags in the blue wing. For NGC 7469, we only clearly construct the velocity-resolved lag profiles of the broad Hγ and Hβ, which show very similar kinematic signatures to the BLR of Mrk 817. These signatures indicate that the BLR of Keplerian motion in both AGNs seemingly has outflowing components during the monitoring period. We discuss the kinematics of the BLR and the measurements, including SMBH mass and accretion rates.</jats:p>
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 50
On the Nature of AGN and Star Formation Enhancement in the z = 3.1 SSA22 Protocluster: The HST WFC3 IR View
Erik B. Monson; Bret D. Lehmer; Keith Doore; Rafael T. Eufrasio; Brett Bonine; David M. Alexander; Chris M. Harrison; Mariko Kubo; Kameswara B. Mantha; Cristian Saez; Amber Straughn; Hideki Umehata
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 51
The Energy Conversion Rate of an Active Region Transient Brightening Estimated by Hinode Spectroscopic Observations
Toshiki Kawai; Shinsuke Imada
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 51
GRB 170817A Afterglow from a Relativistic Electron–Positron Pair Wind Observed Off-axis
Long Li; Zi-Gao Dai
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 52
Radial Migration from the Metallicity Gradient of Open Clusters and Outliers
Haopeng Zhang; Yuqin Chen; Gang Zhao
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 52
Star Formation and Quenching of Central Galaxies from Stacked Hi Measurements
Hong Guo; Michael G. Jones; Jing Wang; Lin Lin
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 53
The Origin of Parity Violation in Polarized Dust Emission and Implications for Cosmic Birefringence
S. E. Clark; Chang-Goo Kim; J. Colin Hill; Brandon S. Hensley
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 53
EMPRESS. III. Morphology, Stellar Population, and Dynamics of Extremely Metal-poor Galaxies (EMPGs): Are EMPGs Local Analogs of High-z Young Galaxies?*
Yuki Isobe; Masami Ouchi; Takashi Kojima; Takatoshi Shibuya; Kohei Hayashi; Michael Rauch; Shotaro Kikuchihara; Haibin Zhang; Yoshiaki Ono; Seiji Fujimoto; Yuichi Harikane; Ji Hoon Kim; Yutaka Komiyama; Haruka Kusakabe; Chien-Hsiu Lee; Ken Mawatari; Masato Onodera; Yuma Sugahara; Kiyoto Yabe
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 54
Lessons from the First Multiply Imaged Supernova: Revised Strong-lensing Models for the Galaxy Cluster MACS J1149.5+2223
Adi Zitrin
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 54
NOEMA Observations of CO Emission in Arp 142 and Arp 238
C. K. Xu; U. Lisenfeld; Y. Gao; F. Renaud
Palabras clave: Space and Planetary Science; Astronomy and Astrophysics.
Pp. 55