御夫座山天牛的最新UBVJH光度测定
Recent UBVJH Photometry of Epsilon Aurigae
摘要：
自1980年代初首次观测以来，霍普金斯凤凰天文台继续对长周期（27.1年）食双星系统御夫座进行UBV波段观测。UBV观测通常产生优于0.01等的标准差或数据散布，多次接近0.001等。一种新的红外光度计使得可以增加对JH波段的近红外观测。典型的近红外观测接近0.01星等的数据扩散标准差。在2003 - 2005年（秋季至春季）的御夫座流星雨观测中，观测结果显示了66.2天的变化，UBV波段的平均和峰值幅度逐渐增加。2006年（2006年秋季至2007年春季）的数据显示，似乎是一个回落到一个安静的时期，接近最大振幅V= 3.00。本文介绍了数据，并比较了本赛季的过去几个赛季。下一次日食预计将在2009年开始，一场国际运动已经组织起来协调新的观测。这些网站的链接是：[http：//www. hposoft.com/Campaign09.html]和[http://www.du.edu/~rstencel/epsaur.htm]。
英文摘要：
Since first observed in the early 1980s, the Hopkins Phoenix Observatory continues its UBV band observations of the long period (27.1 years) eclipsing binary star system epsilon Aurigae. The UBV observations routinely produce standard deviations or data spread better than 0.01 magnitudes many times approaching 0.001 magnitudes. A new infrared photometer has allowed the addition of near-infrared observations for the JH bands. Typical near-infrared observations approach a standard deviation of data spread of 0.01 magnitudes. The 2003 - 2005 seasons (Fall through Spring) of epsilon Aurigae observations showed a 66.2 day variation that gradually increases in average and peak magnitude in the UBV bands. The 2006 season (Fall 2006 to Spring 2007) data show what appears to be a fall-back to a quiet period near maximum amplitude of V= 3.00. This paper presents the data and compares the current season to the past several seasons. The next eclipse is predicted to begin in 2009 and an international campaign has been organized to coordinate new observations. These website links are: [http://www. hposoft.com/Campaign09.html ] and [ http://www.du.edu/~rstencel/epsaur.htm ] .
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