• Title/Summary/Keyword: Universe

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A Comparison on the Representation of the Celestial of the Ninth Heaven in The Canonical Scripture versus The Scripture of the Jade Pivot (《典經》 與 《玉樞寶經》 中 九天應元雷聲普化天尊之形象比較)

  • Ho, Jinchyuan;Chen, Meihua;Tsai, Peifen
    • Journal of the Daesoon Academy of Sciences
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    • v.34
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    • pp.1-26
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    • 2020
  • In Taiwanese Daoism, the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe (九天應元雷聲普化天尊) is the highest deity in the Thunder Ministry. In the the Korean new religion, Daesoon Jinrihoe (大巡真理會), he is the Supreme God. However, since the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe has the same name in these two traditions, it naturally leads people to wonder whether or not they can be considered the same deity. Or failing that, it could still be asked, to what extent are these two deities related? Or it could further be asked what meaning does the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe have in these two religions? Anyhow, all such questions depend on first establishing a greater degree of basic clarity. Religious scripture can serve as a cornerstone in gaining such basic clarity. Scripture almost invariably contains information regarding the divine nature, divine authority, and sacrosanctity of deities reflective of what is understood by the devotees of those religions. Clues on the precise nature of these key attributes of deity-depiction can be drawn out of scriptural accounts, and as such, the research presented in this paper will begin by comparing two relevant scriptures. The representative scriptures highlighted in this paper will be The Canonical Scripture (典經) of Daesoon Jinrihoe and The Scripture of the Jade Pivot (玉樞寶經) of Zhengyi (Orthodox Unity, 正一) Daoism. These scriptures will serve as the basis for exploration and analysis of the divine attributes of the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe in terms of his divine nature, divine authority, and sacrosanctity. By comparing these two scriptural accounts of his divine attributes, the similarities and differences that arise can be properly explored. This paper endeavors to clarify the ultimate purpose of 'the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe.' In this paper, the first step will be an exploration of scriptural analysis. The contents of this paper is roughly divided into four sections. The first section is an exploration of the general contents of the two scriptures, including their origin, contents, and value. The second section focuses on the three main divine attributes of the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe: his divine nature, divine authority, and sacrosanctity. The third section will compare the depictions of the deity in the two scriptural accounts in terms of those three attributes. Lastly, the deity's evolutionary history in both religions is shown and compared and final remarks are made on the contemporary value of the Celestial Worthy of the Ninth Heaven, Responder, Thunderbolt-bearer, and Transformer of the Universe.

The Contribution of Mergers on Star Formation Activities in Nearby Galaxies

  • Lim, Gu;Im, Myungshin;Choi, Changsu;Yoon, Yongmin
    • The Bulletin of The Korean Astronomical Society
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    • v.41 no.2
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    • pp.31.2-31.2
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    • 2016
  • We present our study of the correlation between the UV luminosity and the merging activities of nearby galaxies (d < 300 Mpc). Our study uses ~600 UV-selected galaxies with deep optical imaging data, where the UV selection is made using the GALEX Atlas of Galaxies (Gil de Paz et al. 2007) and the updated UV catalog of nearby galaxies (Yu Bai et al. 2015). Deep optical images allow us to classify merger features using visual inspection, and we also estimate unobscured SFR using UV continuum luminosity. The fraction of galaxies with merger features in each UV luminosity bins are obtained to see if how the fraction of galaxies with merging features changes as a function of UV luminosity, Finally, we will show, above what UV luminosity (or SFR), the merging mechanism becomes an important process in enhancing star formation of galaxies.

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Dust Properties in Afterglow of GRB071025 at z~5: Evidence for Supernovae-produced Dust in the Early Universe

  • Jang, Min-Sung;Im, Myung-Shin;Lee, In-Duk;Urata, Y.;Huang, L.;Fan, Xiaohui;Jiang, Lihua
    • The Bulletin of The Korean Astronomical Society
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    • v.35 no.2
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    • pp.35.2-35.2
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    • 2010
  • It is crucial to understand the dust properties in the early universe since they provide important clues about how the early cosmic star formation should be interpreted in the presence of dust extinction. GRB 071025 is an unusually red GRB that occured at high redshift, offering an unique opportunity to study the dust properties in the early universe. We investigate the extinction properties of GRB 071025 through the analysis of RIJHK data obtained with the 1-m telescope at Mt. Lemmon Optical Astronomy Observatory (LOAO) and Simultaneous Quad Infrared Imaging Device (SQIID) on the Kitt-Peak Mayall 4-m telescope. Our dataset is independent from that in a previous work (Perley et al. 2010) where a small systematic photometric errors could complicate the interpretation. After determining the temporal power law exponent with five I-band frames from LOAO, we construct a multi-band monochromatic SED of the GRB afterglow. By using various extinction laws, we find that the SED is best fitted with models that incorporate SNe II dust and derive a photometric redshift of 4.99(+0.12/-0.03). Our results strongly support the prior claim that dusts in GRB 071025 originate mainly from supernovae, implying SNe II predominantly contributed to the dust enrichment in the early universe (z ~ 5).

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High-z Universe probed via Lensing by QSOs (HULQ): Expected Number of QSOs acting as Gravitational Lenses

  • Taak, Yoon Chan;Im, Myungshin
    • The Bulletin of The Korean Astronomical Society
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    • v.43 no.1
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    • pp.37.4-38
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    • 2018
  • The HULQ project proposes to use gravitational lensing to determine the masses of QSO host galaxies, an otherwise difficult goal. If these host galaxy masses, along with their SMBH masses from single-epoch measurements, are estimated for a substantial number of QSOs at various redshifts, the co-evolution of SMBHs and their host galaxies can be studied for a large portion of the history of the universe. To determine the feasibility of this study, we present how to estimate the number of sources lensed by QSO hosts, i.e. the number of lensing QSO host galaxies (hereafter QSO lenses). SMBH masses in the literature are transformed into the velocity dispersions of their host galaxies using the M_BH -sigma relation, and in turn the Einstein radii for each QSO -source redshift combination is calculated, assuming singular isothermal spherical mass distributions. Using QSOs and galaxies as potential sources, the probability of a QSO host galaxy being a QSO lens is calculated, as a function of limiting magnitude. The expected numbers of QSO lenses are estimated for ongoing and future wide-imaging surveys, and the Hyper Suprime-Cam Wide survey is illustrated as an example.

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The Contribution of Mergers on Star Formation in Nearby UV-Bright Galaxies (별탄생 은하의 별 생성에 대한 병합 작용의 기여도 연구)

  • Lim, Gu;Im, Myungshin;Choi, Changsu;Yoon, Yongmin
    • The Bulletin of The Korean Astronomical Society
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    • v.41 no.1
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    • pp.70.2-70.2
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    • 2016
  • Star formation in galaxies is one of the key factors in galaxy evolution. It is believed that star formation is triggered and enhanced by mergers among galaxies or secular evolution. However, how much these two mechanisms contribute on star formation is not well known yet. Recently, many other studies show observational evidences of faint merger features(tidal tails, stellar streams) around nearby galaxies with deep optical imaging. This study aims to investigate the fraction of star forming galaxies exhibiting faint features to total galaxies. We are analyzing samples of 76 star forming galaxies (NUV < -18) to find merger features from stacked B, R band frames taken at Maidanak 1.5m, McDonald 2.1m telescope and g, r frames from Canada-France-Hawaii Telescope (CFHT) MegaCam archival data. With the fraction, we can expect to know the contribution of mergers on star formation to galaxies.

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