Keywords: Demo Simple Hubble Diagram.png graph A Demonstration of simple w Hubble Diagram created by User Atinncnu Instructed by http //cas sdss org/dr3/en/proj/advanced/hubble/ The Hubble Diagram x-axis is magnitude of galaxies y-axis is red shift of those Plotted by MS Excel The data of galaxies was provided by public access of SDSS see Data source 根據SDSS英文網站http //cas sdss org/dr3/en/proj/advanced/hubble/ The Hubble Diagram 的簡單哈伯 x軸是 河系的相對星等,y軸是 河系的紅移 河系的資料是來自SDSS提供的公開資料(見資料來源) 以MS Excel製 Notice for Wikibooks 注意:為Wikibooks This diagram is welcome to improvement but please notice that this is mainly for Wikibooks for excercise Please try to follow the data and tutorial spirit of http //cas sdss org/dr3/en/proj/advanced/hubble/simple asp A Simple Diagram 歡迎改 完善 但請注意 主要是為Wikibooks 如要改 請按照http //cas sdss org/dr3/en/proj/advanced/hubble/simple asp A Simple Diagram 的教學宗旨 Data of the diagram 數據 u z 18 32 14 63 17 74 15 06 18 94 15 31 19 74 15 95 21 24 16 48 21 98 17 41 Data source 資料來源 <TABLE border 1 cellPadding 3 cellSpacing 1 width 75 > <TR> <TD><p class caption>SDSS資料庫天體ID<br>SDSS Object ID</p></TD> <TD><p class caption>赤經<br>Right Ascension</p></TD> <TD><p class caption>赤緯<br>Declination</p></TD> </TR> <TR> <TD>http //cas sdss org/dr3/en/tools/explore/obj asp id 587731186738331786 587731186738331786</TD> <TD>354 35</p></TD> <TD>0 39167</p></TD> </TR> <TR> <TD>http //cas sdss org/dr3/en/tools/explore/obj asp id 588015509267153049 588015509267153049</TD> <TD>354 98998</p></TD> <TD>0 13519</p></TD> </TR> <TR> <TD>http //cas sdss org/dr3/en/tools/explore/obj asp id 587722983367901477 587722983367901477</TD> <TD>219 31858</p></TD> <TD>0 17731</p></TD> </TR> <TR> <TD>http //cas sdss org/dr3/en/tools/explore/obj asp id 587725575888961795 587725575888961795</TD> <TD>260 80622</p></TD> <TD>58 58956</p></TD> </TR> <TR> <TD>http //cas sdss org/dr3/en/tools/explore/obj asp id 587725589849506099 587725589849506099</TD> <TD>263 94885</p></TD> <TD>54 36385</p></TD> </TR> <TR> <TD>http //cas sdss org/dr3/en/tools/explore/obj asp id 587728948510720283 587728948510720283</TD> <TD>150 09651</p></TD> <TD>-0 27059</p></TD> </TR> </TABLE> Each ID represents a galaxy The external link leads to data of that galaxy in SDSS including magnitude and red shift The six galaxies are specially selected to make this diagram easy 每 ID都代表 河系 ID的外部 結 SDSS資料庫中的那 河系的各項資料,也包括了星等和紅移資料 六 星系是特意選出來練習用的 Astronomy plots |