Stellar astronomy

Results: 2515



#Item
591Physics / Stellar evolution / Astrophysics / Exotic matter / Stellar astronomy / White dwarf / Star / Main sequence / Stellar classification / Astronomy / Star types / Matter

Institute of Astronomy, National Central University PHD QUALIFYING EXAMINATION — STELLAR ASTROPHYSICS 28th May, points) A model star of mass M has a density distribution ρ = ρc [1 − (r/R)a ], where a >

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Source URL: www.astro.ncu.edu.tw

Language: English - Date: 2014-05-12 00:06:46
592Stellar classification / Star

Astronomy & Astrophysics A&A 544, L7DOI:

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593Physical cosmology / Plasma physics / Active galactic nucleus / Stellar astronomy / Quasar / X-ray astronomy / Redshift / Star / Astronomy / Physics / Space

The MBH - Mstar relation of obscured AGNs at high redshift

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594Stellar astronomy / Astrophysics / Electromagnetic radiation / Stellar evolution / Radiative transfer / Star / Opacity / Luminosity / White dwarf / Physics / Astronomy / Star types

Question 5. (a) Suppose the Local Thermodynamic Equilibrium assumption holds for the stellar atmosphere. Prove that for the optically thin line, the absorption line depth R can be written as R where

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Source URL: www.astro.ncu.edu.tw

Language: English - Date: 2014-05-12 00:06:46
595Light sources / Stellar astronomy / Space plasmas / Stellar evolution / Supernovae / Supernova remnant / Supernova / Stellar wind / Star / Astronomy / Astrophysics / Space

Astronomy & Astrophysics A&A 541, L8DOI:

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596Heat transfer / Astronomy / Stellar astronomy / Sun / Temperature / Photosphere / Heat / Physics / Thermodynamics / Light sources

Taking the temperature of the Sun

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Source URL: www.suntrek.org

Language: English - Date: 2010-07-27 06:58:10
597Space / Orion Nebula / Orion / Horsehead Nebula / Star / Rigel / Betelgeuse / Stellar classification / Asterism / Astronomy / Universe / Orion constellation

DOC Document

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Source URL: www.suntrek.org

Language: English - Date: 2010-07-27 06:55:30
598Interacting galaxies / Light sources / Stellar evolution / Starburst galaxy / Cosmic distance ladder / Galaxy / Arp 220 / Arp 299 / Supernova / Astronomy / Space / Standard candles

Astronomy & Astrophysics A&A 540, L5DOI:

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599Extragalactic astronomy / Celestial mechanics / Stellar astronomy / Galaxy / Cosmic distance ladder / Star / Hubble sequence / Gravitation / Orbit / Astronomy / Physics / Space

PHD QUALIFY EXAMINATION — GALACTIC AND EXTRAGALACTIC ASTROPHYSICS 8th October, points) Fundamental classification of galaxies, such as Hubble Classification, is based on their

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Source URL: www.astro.ncu.edu.tw

Language: English - Date: 2014-05-12 00:06:46
600Stellar classification / White dwarf / Astronomy / Astrophysics / Physics / Matter / Star types / Stellar evolution

Astronomy & Astrophysics A&A 544, L6DOI:

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