月份归档 / Archive for October, 2007

一周语录

我以我的生命和我对它的爱起誓,我绝对不会要求我为另外一个人而活,或者要求另外一个人为我而活。

——Ayn Rand,《地球的战栗》,或称“自私的圣经”

令人惊讶的是,让顾客微笑起来已经成为当今许多日本公司的重点业务。

——泰晤士报网站近日报道

与其想方设法让别人掉下来,倒不如多想想自己如何上去呢。

——某网站上有网友如此回复一位诅咒日本“月亮女神”探月卫星的“愤青”

Popularity: 1%

Comet Holmes on Oct. 27/28

Comet Holmes seems to stop exploding. The brightness didn't went up in the past 48 hours and the coma kept growing. On the image of Oct. 27/28, I estimated the coma diameter is about 330" or 5.5'. The jets were also slightly changed, one strong jet instead of 3 batch jets on Oct. 26/27.

[[Image: Lulin-Sky-Survey/17p_071027_297_1.png|550|Click to enlarge]]

[[Image: Lulin-Sky-Survey/17p_071027_300_2.png|550|Click to enlarge]]

Popularity: 1%

Comet Holmes: like a pig

I spent a whole day on processing the thousands image that the Lulin Ritchey-Chretien taken on Oct. 25/26. Finally the result is out. But I don't get much happier -- Huan said he has found a way to find out what cause the outburst -- well, I must do something on this, too. Now I plan to join the CARA project to measure the dust production rate of Comet Holmes. Tomorrow's mission...

Ok let's focus on our baby. Comet Holmes just keep grown like a pig. But the jets are fantistic, it's my first time to get such a nice image of inner coma of a comet! And I'd like to bring your attention to the color. It's still green on Oct. 25 but is redder on 26th. Spectrum observations are needed...

[[Image: Lulin-Sky-Survey/17p_071025_42_1.png|550|Click to enlarge]]

[[Image: Lulin-Sky-Survey/17p_071025_300_2.png|550|Click to enlarge]]

[[Image: Lulin-Sky-Survey/17p_071026_300_1.png|550|Click to enlarge]]

[[Image: Lulin-Sky-Survey/17p_071026_300_2.png|550|Click to enlarge]]

Popularity: unranked

17P: the comet that shocks astronomy world

17P/Holmes was only a 16mag. faint object in the sky by Octo.20, but observations on Octo.24/25 showed it has brighten by ~1 mega scale, to ~2.0mag.! We could say it's the first time in history that the comet brings us such a big big shock. I took thousands images of Comet Holmes over Octo.24, 25 and 26, by the Lulin Sky Survey 0.41-m Ritchey-Cherien telescope. I've just finished processing of 126 data points on late Octo.25, here is the result:

[[Image:Lulin-Sky-Survey/17p_071025_126.PNG|550|Click to enlarge]]

Note the varied, strong jets from the nulie of the comet, dark spots also come out from the Log/FFT proceed snapshot.

By the way, I caught it with naked eye on late Octo.26, at mag.~3.2. I'll continue mortoning on that boy to see what'll come up. Stay turn for updates.

Popularity: unranked

本周经典语录

有句话说得好,就是“不管它”。

——教概率统计的何教授如此看待某些概率函数的前提条件。

阿凡提的毛驴是唯物主义辩证法智慧性的体现。

——马克思主义原理课老师口误引得满座皆惊。

能和一个诺贝尔奖获得者戴同一顶博士帽,感觉还是挺不错的。

——教普通物理的杨教授提及,他和诺贝尔奖获得者劳克林同一年获得香港科技大学的博士学位。

我看起来比较瘦吗?

——台湾媒体播发“嘉义星”新闻稿的时候误把我写成了中山大学教授,当有人叫我“叶教授”时我如此回答。

Popularity: 1%

  • 随机照片 Random Photo

    201004284258 p_large_rheg_5a36000678f52d10 201004284331
  • 题图说明 The Title Image

    作者遥望天山山脉,谢文鹏于2008年8月9日摄于新疆维吾尔自治区巩乃斯河谷。天山山脉是亚洲中部最大的山脉。

    The author was gazing the Tian Shan mountains. Taken by Wenpeng Xie at Kunges Valley of Xinjiang Uighur Autonomous Region on August 9, 2008. The Tian Shan ("celestrial mountains") is the largest mountain range located in Central Asia.

  • 致谢 Acknowledgement

    叶夜叶儿山Wordpress提供技术支持,中国科学院国家天文台宇宙驿站提供网络空间;叶夜3.0基于digitalnature的Mystique 2.3.1设计制造。

    Yeiht is powered by Y234 and Wordpress, and the host server is kindly provided by CosmoStation Project of the National Astronomical Observatories of Chinese Acadamy of Sciences. The Yeiht 3.0 theme is designed based on digitalnature's Mystique 2.3.1.