https://www.astro-init.top/index.php?action=history&feed=atom&title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919
2016年APAO实测第8题-超巨星HD153919 - 版本历史
2026-04-29T10:58:33Z
本wiki的该页面的版本历史
MediaWiki 1.32.2
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1545&oldid=prev
2019年10月7日 (一) 22:31 Caroldong
2019-10-07T22:31:02Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="zh-Hans-CN">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年10月7日 (一) 22:31的版本</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >第1行：</td>
<td colspan="2" class="diff-lineno">第1行：</td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>{{<del class="diffchange diffchange-inline">需要完善</del>}}</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>{{<ins class="diffchange diffchange-inline">内容需要完善</ins>}}</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td></tr>
</table>
Caroldong
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1544&oldid=prev
2019年10月7日 (一) 22:30 Caroldong
2019-10-07T22:30:30Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="zh-Hans-CN">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年10月7日 (一) 22:30的版本</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >第1行：</td>
<td colspan="2" class="diff-lineno">第1行：</td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{需要完善}}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td></tr>
</table>
Caroldong
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1543&oldid=prev
Caroldong：恢复Caroldong（讨论）的编辑至Heavens above的最后版本
2019-10-07T22:30:11Z
<p>恢复<a href="/index.php?title=%E7%89%B9%E6%AE%8A:%E7%94%A8%E6%88%B7%E8%B4%A1%E7%8C%AE/Caroldong" title="特殊:用户贡献/Caroldong">Caroldong</a>（<a href="/index.php?title=%E7%94%A8%E6%88%B7%E8%AE%A8%E8%AE%BA:Caroldong" title="用户讨论:Caroldong">讨论</a>）的编辑至<a href="/index.php?title=%E7%94%A8%E6%88%B7:Heavens_above" title="用户:Heavens above">Heavens above</a>的最后版本</p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="zh-Hans-CN">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年10月7日 (一) 22:30的版本</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >第1行：</td>
<td colspan="2" class="diff-lineno">第1行：</td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{需要编辑}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td></tr>
</table>
Caroldong
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1542&oldid=prev
2019年10月7日 (一) 22:28 Caroldong
2019-10-07T22:28:28Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="zh-Hans-CN">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年10月7日 (一) 22:28的版本</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >第1行：</td>
<td colspan="2" class="diff-lineno">第1行：</td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{需要编辑}}</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td></tr>
</table>
Caroldong
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1452&oldid=prev
2019年9月23日 (一) 05:35 Heavens above
2019-09-23T05:35:28Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="zh-Hans-CN">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年9月23日 (一) 05:35的版本</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >第1行：</td>
<td colspan="2" class="diff-lineno">第1行：</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==题目==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[文件:2016apao实测低年组第8题表8.1.jpg|缩略图|2016apao实测低年组第8题表8.1]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>8.1 计算它们的赤经（α）差和赤纬（δ）差。</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>8.1 计算它们的赤经（α）差和赤纬（δ）差。</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >第7行：</td>
<td colspan="2" class="diff-lineno">第8行：</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>8.3 年轻的疏散星团NGC6231的年龄据估计为4-7Myr(1Myr=10<sup>6</sup>年)。基于大质量恒星的理论寿命（lifetime）（见表8.2），估计该超新星的前身星的初始质量（initial mass）的范围。假定恒星质量的上限为$$120M\bigodot $$。</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>8.3 年轻的疏散星团NGC6231的年龄据估计为4-7Myr(1Myr=10<sup>6</sup>年)。基于大质量恒星的理论寿命（lifetime）（见表8.2），估计该超新星的前身星的初始质量（initial mass）的范围。假定恒星质量的上限为$$120M\bigodot $$。</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[文件:2016apao实测低年组第8题表8.2.jpg|缩略图|2016apao实测低年组第8题表8.2]]</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==解答==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==解答==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{还未编辑完成}}</del></div></td><td colspan="2"> </td></tr>
</table>
Heavens above
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1436&oldid=prev
Heavens above：/* 题目 */
2019-09-23T04:36:42Z
<p><span dir="auto"><span class="autocomment">题目</span></span></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="zh-Hans-CN">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年9月23日 (一) 04:36的版本</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5" >第5行：</td>
<td colspan="2" class="diff-lineno">第5行：</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>8.2 盖亚(Gaia)卫星测得的该星的自行为：μ<sub>α</sub>×cosδ=2.28×10<sup>-3</sup>″/year和μ<sub>δ</sub>=4.95×10<sup>-3</sup>″/year。计算超新星爆发于距今多久之前？</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>8.2 盖亚(Gaia)卫星测得的该星的自行为：μ<sub>α</sub>×cosδ=2.28×10<sup>-3</sup>″/year和μ<sub>δ</sub>=4.95×10<sup>-3</sup>″/year。计算超新星爆发于距今多久之前？</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">8.3 年轻的疏散星团NGC6231的年龄据估计为4-7Myr(1Myr=10<sup>6</sup>年)。基于大质量恒星的理论寿命（lifetime）（见表8.2），估计该超新星的前身星的初始质量（initial mass）的范围。假定恒星质量的上限为$$120M\bigodot $$。</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==解答==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==解答==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{还未编辑完成}}</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{还未编辑完成}}</div></td></tr>
</table>
Heavens above
https://www.astro-init.top/index.php?title=2016%E5%B9%B4APAO%E5%AE%9E%E6%B5%8B%E7%AC%AC8%E9%A2%98-%E8%B6%85%E5%B7%A8%E6%98%9FHD153919&diff=1433&oldid=prev
Heavens above：创建页面，内容为“==题目== X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC623…”
2019-09-22T06:02:55Z
<p>创建页面，内容为“==题目== X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC623…”</p>
<p><b>新页面</b></p><div>==题目==<br />
X射线源2U1700-37的光学对应体被确定为O型超巨星HD153919，该星被认为是一颗逃逸之星，在超新星爆发后从宿主星团NGC6231中被踢出。HD153919和NGC6231的位置在表8.1中给出。<br />
<br />
8.1 计算它们的赤经（α）差和赤纬（δ）差。<br />
<br />
8.2 盖亚(Gaia)卫星测得的该星的自行为：μ<sub>α</sub>×cosδ=2.28×10<sup>-3</sup>″/year和μ<sub>δ</sub>=4.95×10<sup>-3</sup>″/year。计算超新星爆发于距今多久之前？<br />
<br />
==解答==<br />
{{还未编辑完成}}</div>
Heavens above