星明天文台独立发现新星N Cyg 08

北京时间2008年3月8日,星明天文台大视场新星搜索项目组在天鹅座内发现一颗8.2等新星,随后经测量上报至CBAT 天文电报中心
并在随后得到确认
发现者是 浙江宁波天文爱好者 金彰伟 和 高兴老师 测量 北泽晋
在我们的发现之前由于时差缘故已经日本天文爱好者Hiroshi Kaneda(Minami-ku, Sapporo, Japan)[似乎叫金田宏 是一个 发现700多颗小行星和很多新星 高手]最早观测到这个目标
我们是第2个发现者
从AASVO最终利用了我们的测量坐标可以看出 我们的测量精度被公认


3月5日图片

3月7日图片


以下是CBAT1291报告
NOVA CYGNI 2008
     S. Nakano, Sumoto, Japan, reports the discovery by Hiroshi Kaneda
(Minami-ku, Sapporo, Japan) of an apparent nova (mag 8.2 +/- 0.3) on nine 4-s
unfiltered CCD frames (limting mag 10.7) taken on Mar. 7.801 UT using a
digital camera (+ 105-mm f/2.5 telephoto lens), giving the position of the
variable as R.A. = 19h58m33s.4, Decl. = +29o52'04" (equinox 2000.0;
uncertainty estimated to be +/- 15").  Kaneda notes that nothing is visible
at this position on his patrol frames taken on 2007 Oct. 5, (limiting mag
10.5), 2008 Jan. 1 (limiting mag 10.7), and Feb. 18 (limiting mag 10.5);
also, nothing is present on the Digitized Sky Survey within 20" of this
position to mag 13.0.
    Following posting of the above report on the Central Bureau's
unconfirmed-objects webpage, numerous additional claims of independent
discovery have been received.  The first was from Zhang-wei Jin and Xing Gao,
using a Canon EOS 350D camera (+ 7-cm-aperture, 200-mm-f.l. f/2.8 telephoto
lens) at Xingming Observatory, Mt. Nanshan, China, as part of their nova
survey with additional details of their report also supplied by J. Beize of
Beijing; their several discovery images (limiting mag about 15.0) were taken
around Mar. 7.881 UT, showing the apparent nova at mag 8.1, and giving the
position initially as R.A. = 19h58m33s, Decl. = +29o52'05" (this was later
revised to position end figures 33s.57, 11".6, as measured by Beize).
Nothing was visible on their survey images taken on Mar. 2 and 5, and their
images are posted at website URL http://www.xjltp.com/XM08AD.htm.     After the Xingming report above was also posted to the CBAT unconfirmed-
objects webpage, H. Yamaoka (Kyushu University) forwarded numerous reports
of additional apparent independent CCD discoveries from Japanese observers,
with the following magnitudes provided (and all giving approximate positions
that agree with the above positions):  Feb. 24.852 UT, [12 (Yuji Nakamura,
Kameyama, Mie, Japan, 135-mm-f.l. camera lens); Mar. 5.830, [10.5 (Minoru
Yamamoto, Okazaki, Aichi, Japan, digital camera + 85-mm-f.l. lens); Mar.
7.826, 8.0 (Yamamoto); Mar. 7.830, 8.6 (Nakamura); Mar. 7.837, 7.4 (Katsumi
Haseda, Toyohashi, Aichi, Japan, Canon EOS digital camera + 120-mm-f.l.
lens); Mar. 7.871, 9.2 (Tetsuo Kudo, Goshi, Kumamoto, Japan, Canon EOS
digital camera + 40-mm-f.l. lens).

下面是国际变星组织报告

[size=+1]AAVSO Special Notice #98 [size=+1]Apparent Nova in Cygnus - N Cyg 08
March 8, 2008

D. Green, Central Bureau for Astronomical Telegrams, announces in CBET 1291  the discovery of an apparent nova in Cygnus by Hiroshi Kaneda, Minami-ku, Sapporo, Japan (reported via S. Nakano, Sumoto, Japan), at magnitude 8.2 +/-0.3 on unfiltered CCD images taken March 7.801 UT.N Cyg 08 is located at: RA 19:58:33.57, Decl. +29:52:11.6  (J2000)Position measured by J. Beize, Beijing, China, on images taken by apparent independent discoverers Zhang-wei Jin and Xing Gao, Xingming Observatory, Mt. Nanshan, China. Observations, and spectroscopy to confirm identity as a nova, are requested.N Cyg 08 has been submitted to VSX and has been given the identifier VSX J195833.5+295211. It has also been assigned the AAVSO Unique ID (AUID) 000-BFT-108.A finder chart for N Cyg 08 may be plotted with VSP:http://www.aavso.org/observing/charts/vsp/No local sequence is available yet, but plotting an 'A' scale chart gives stars brighter than magnitude 9 in the general area. Observations reported to the AAVSO include: Mar. 8.45204 UT, 7.8V, M. Nicholson, Daventry, England (reported to aavso-discussion); and via CBET1291: Feb. 24.852 UT, <12 (Yuji Nakamura, Kameyama, Mie, Japan, 135-mm-f.l. camera lens); Mar. 5.830, <10.5 (Minoru Yamamoto, Okazaki, Aichi, Japan, digital camera + 85-mm-f.l. lens); Mar. 7.826, 8.0 (Yamamoto); Mar. 7.830, 8.6 (Nakamura); Mar. 7.837, 7.4 (Katsumi Haseda, Toyohashi, Aichi, Japan, Canon EOS digital camera + 120-mm-f.l. lens); Mar. 7.871, 9.2 (Tetsuo Kudo, Goshi, Kumamoto, Japan, Canon EOS digital camera + 40-mm-f.l. lens).This AAVSO Special Notice was prepared by Elizabeth O. Waagen.

[ 本帖最后由 北泽晋_赵晋 于 2008-3-9 23:19 编辑 ]

我本来可以发现这颗新星的，那天看图晚了点，不过金能发现我也很高兴，可惜还是比日本人晚了点，非常可惜。
革命尚未成功，同好仍需努力！

强烈关注下！顺便祝贺下！成果频出啊！

祝贺,相信会越来越好.高亮显示两天.

原帖由 陈栋华 于 2008-3-9 10:23 发表

                               
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祝贺！！！可惜只差一步，再接再励！

谢谢 陈老师鼓励

恭喜！！

恭喜！！！！！！！！！！

恭喜了,一个月后,又有斩获.

祝贺！
我国业余天文界也开始与“国际接轨了”！

祝贺！！

希望高兴老师能把自动巡天系统推广到全国爱好者当中去！

Congratulations!      


.

从后来日本观测者的报告看来这颗新星亮度很早就开始变化2月24日 12等3月5日 10.5等最亮似乎达到了7.4等


晋 这句理解错了,是日本人的拍摄极限星等只能到12等,所以科学的说,在2月24日,该星暗于12等,至于具体是几等,就不得而知了.

祝贺祝贺.再接再励啊..............!
国内有多些这类的巡天就更好了.

[ 本帖最后由 xujun 于 2008-3-9 17:55 编辑 ]

恭喜，但可惜了，迟了一小时50多分钟，被小日本抢了

一直关注星明天文台高兴的项目,我从一开始就认为该项目一定会出很多成果的,这次虽然差了一步,但要同好继续努力,希望就在下一组图片中...

几位又可以收稿费了。。。

BTW：北泽是姓还是笔名？

原帖由 活动星图 于 2008-3-9 18:31 发表

                               
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几位又可以收稿费了。。。

BTW：北泽是姓还是笔名？

这还用问吗？难道他叫什么名字你会不知道？