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1. Variability of physical parameters of IRAS 22272+5435 during the pulsation cycle NSTL国家科技图书文献中心

Zacs, Laimons |  Pukitis, Karlis -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共8页

摘要:A time series of high-resolution spectra in |  the optical wavelength region was used to examine |  the variability of physical parameters of the early | -stage post-AGB star IRAS 22272+5435. Excitation |  balance analysis for a sample of iron (Fe), cerium (Ce
关键词: Post-asymptotic giant branch stars |  stellar atmospheres |  stellar pulsation |  stellar abundances |  high resolution spectroscopy

2. Deeply comprehensive astrometric, photometric, and kinematic studies of the three OCSN open clusters with Gaia DR3 NSTL国家科技图书文献中心

Elsanhoury, W. H. |  Haroon, A. A.... -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共17页 - 被引量:1

摘要:In this study, we considered the optical |  wavelength of Gaia Data Release 3 (DR3) to analyze poorly |  studied three newly open star clusters, namely OCSN 203 | , OCSN 213, and OCSN 244 clusters with ASteCA code | . Here, we identified 227, 200, and 551 candidates with
关键词: Star clusters: OCSN clusters |  astrometric |  color magnitude diagrams |  photometric |  kinematics |  orbit parameters

3. Exploring daily fluctuations of cosmic ray muon components at a low latitude site and their associations with space weather variables NSTL国家科技图书文献中心

Maghrabi,Abdullrahma... |  Al Harbi,Hya... -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共5页

摘要:Abstract In this study, cosmic rays (CR) data |  from the King Abdulaziz University muon detector in |  Jeddah (Rc  = 14.8 GV), Saudi Arabia, were utilized to |  investigate the amplitude and phase components of diurnal |  variations in CR muons. The data covered the period from
关键词: Cosmic rays |  muons |  diurnal variations |  magnetic fields |  high rigidity

4. An updated catalogue of 310 Galactic supernova remnants and their statistical properties NSTL国家科技图书文献中心

Green, D. A. -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共15页

摘要:A revised catalogue of 310 Galactic supernova |  remnants (SNRs) and some statistics on their properties |  are presented. 21 SNRs have been added to the |  catalogue since the previously published version from 2019 | , and 5 entries have been removed, as they have been
关键词: Supernova remnants |  catalogues |  ISM: general

5. Astronomy and society: The road ahead NSTL国家科技图书文献中心

A.,Sule |  Niruj Mohan,Ramanuja...... -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共5页

摘要:Abstract Astronomy, of all the sciences, is |  possibly the one with the most public appeal across all |  age groups. This is also evidenced by the existence |  of a large number of planetaria and amateur |  astronomy societies, which are unique to the field
关键词: Outreach |  education |  inclusion |  history |  development

6. Stars and stellar populations in Milky Way and the nearby galaxies NSTL国家科技图书文献中心

Sivarani, T. |  Subramanian, Smitha... -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共19页

摘要:This article addresses key open questions in |  the Milky Way and neighboring galaxies, focusing on |  utilizing stars and stellar populations to trace galaxy |  formation and evolution processes. It offers an overview |  of the current landscape based on community
关键词: Galaxy |  Milky Way |  satellite galaxy |  LMC |  SMC |  M31 |  local volume galaxies |  Stars |  solar twins |  Lithium rich giants...

7. A method for identification of restarted radio sources from large radio surveys NSTL国家科技图书文献中心

Raj, Aparna |  Ishwara-Chandra, C. ...... -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共8页

摘要:Active galaxies hosting radio jets can exhibit |  distinct active phases marked by two sets of radio lobes | . Typically, these episodic radio sources have been |  identified through morphological observations. In addition | , spectral characteristics-based methods are also employed
关键词: Surveys |  catalogs |  galaxies: active |  radio continuum: galaxies

8. Gravitational interactions and bar formation in bridge and M51-type galaxies NSTL国家科技图书文献中心

Hendy, Y. H. M. |  Tawfeek, Amira A. -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共11页

摘要:We present an analysis of bar structures in a |  sample of 140 strongly interacting galaxies with bridge |  features and 57 M51-type galaxies using high-resolution |  images from the Hubble Space Telescope. This study |  explores the influence of gravitational interactions on
关键词: Galaxies: general |  galaxies: evolution |  galaxies: bar |  galaxies: photometry

9. Bhūpajñādivākyas: A quick tool to extract the longitude of the Sun NSTL国家科技图书文献中心

R. Venketeswara,Pai -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共5页

摘要:Abstract There are different categories of |  Indian astronomical texts ranging from theoretically |  complex ones to simple practical manuals. The texts |  pertaining to vākya system are the ones which provide |  simplified algorithms to compute different astronomical
关键词: Vākya |  Vākyakaraṇa |  true longitude of Sun |  Bhūpjñādi-vākyas

10. Gravitational physics in the context of Indian astronomy: A vision document NSTL国家科技图书文献中心

P.,Ajith |  K. G.,Arun... -  《Journal of Astrophysics and Astronomy》 - 2025,46(1) - 共5页

摘要:Abstract Contributions from the Indian gravity |  community have played a significant role in shaping |  several branches of astronomy and astrophysics. This |  document reviews some of the most important contributions |  and presents a vision for gravity research in the
关键词: Gravitation |  black holes |  neutron stars
检索条件出处:Astronomy and astrophysics

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