一再
发表于 2025-3-21 19:12:38
书目名称Observing and Measuring Visual Double Stars影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0700401<br><br> <br><br>书目名称Observing and Measuring Visual Double Stars读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0700401<br><br> <br><br>
淘气
发表于 2025-3-21 21:19:23
http://reply.papertrans.cn/71/7005/700401/700401_2.png
哀悼
发表于 2025-3-22 01:40:28
The Orbital Elements of a Visual Binary Star,ratio 1:2.1 for the primary and secondary (Fig. 7.1). The ratio of the masses is inversely proportional to the size of the apparent orbits so this gives one relation between the two masses. To get the sum of the masses requires the determination of the true orbit from the apparent orbit and this is what this chapter will describe.
HARD
发表于 2025-3-22 05:23:04
Simple Techniques of Measurement,rosswire and position angle dial, the observer can begin to measure closer pairs. Even an illuminated reticle eyepiece requires no great financial outlay, and permits observations comparable in accuracy with those achieved using a filar micrometer.
搬运工
发表于 2025-3-22 11:06:57
http://reply.papertrans.cn/71/7005/700401/700401_5.png
THE
发表于 2025-3-22 13:31:38
http://reply.papertrans.cn/71/7005/700401/700401_6.png
易发怒
发表于 2025-3-22 19:06:01
Multiple Stars and Planets,referentially formed during this process so studying these systems in all their variety from the protostellar origins in the sub-millimeter regime to the long period visual systems helps to contribute to the details needed to interpret the process of formation.
手势
发表于 2025-3-22 21:45:13
http://reply.papertrans.cn/71/7005/700401/700401_8.png
可以任性
发表于 2025-3-23 03:06:54
http://reply.papertrans.cn/71/7005/700401/700401_9.png
Hamper
发表于 2025-3-23 05:33:41
http://reply.papertrans.cn/71/7005/700401/700401_10.png