Differences

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--- courses:ast403 [2026/02/11 20:58] – [Lecture Notes] shuvo
+++ courses:ast403 [2026/02/21 08:01] (current) – [Lecture Notes] shuvo
@@ Line 43: / Line 43: @@
 | 2.5 | [[.:ast403:Specific Frequency ($S_N$)]] |:::|
 | 2.6 | [[.:ast403:Galaxy Luminosity Function]] |:::|
+| 2.7 | [[.:ast403:Extragalactic Distance Scale]] |:::|
 | 3.1 | [[.:ast403:Photometry and Spectroscopy]] | 3. Observational Properties |
 | 3.2 | [[.:ast403:Population Synthesis]] |:::|
-| 3.3 | [[.:ast403:Galaxy Groups and Clusters]] |:::|
+| 4.1 | [[.:ast403:General Characteristics]] | 4. Active Galactic Nuclei (AGN) |
-| 4.1 | [[.:ast403:Observational Signaturs]] | 4. Active Galactic Nuclei |
+| 4.2 | [[.:ast403:AGN Types]] |:::|
-| 4.2 | [[.:ast403:Unified Model]] |:::|
+| 4.3 | [[.:ast403:Unified Model]] |:::|
-| 4.3 | [[.:ast403:Quasars, Blazers, Seyferts]] |:::|
+| 5.1 | [[.:ast403:The Local Group]] | 6. Galaxy Groups and Clusters |
-| 5.1 | [[.:ast403:Absorption Systems]] | 6. Intergalactic Medium |
+| 5.2 | [[.:ast403:Virgo Cluster]] |:::|
-| 6.1 | [[.:ast403:Evolution of the universe]] | 7. Galaxy survey and Cosmology |
+| 5.3 | [[.:ast403:SZE]] |:::|
+| 6.1 | [[.:ast403:Absorption Systems]] | 6. Intergalactic Medium |
+| 7.1 | [[.:ast403:Baryon Acoustic Oscillation]] | 7. Galaxy Redshift survey and Cosmology |
+| 7.2 | [[.:ast403:Two-point Correlation Function]] |:::|
+| 7.3 | [[.:ast403:2dF, SDSS, and DESI]] |:::|
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