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en:news:ucac4_streak [2013/03/04 16:27] pchen:news:ucac4_streak [2015/11/06 20:43] (current) – external edit 127.0.0.1
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 About 2000 streaks in the 1300 regions were processed, leading to the identification of 48,372 streak stars. About 2000 streaks in the 1300 regions were processed, leading to the identification of 48,372 streak stars.
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-If you are interested in learning more about this process, you can download a [[http://www.ap-i.net/pub/skychart/ucac4/pass6.zip|zip file]] with a spreadsheet summarizing the data, the perl script used to do the extraction and measuring for one streak, a batch file which could be used to re-create the streak results, and source code for the modified extraction and measuring software. You will also need to download the [[ftp://cdsarc.u-strasbg.fr/cats/I/322A/UCAC4/u4b|UCAC4 binary catalog]], and the [[http://www.star.bris.ac.uk/~mbt/topcat/|TOPCAT]] software.\\ 
  
 Here is the same region shown at the top of the page after streak removal: Here is the same region shown at the top of the page after streak removal:
  
 {{:en:news:big_sky_over_m8-after.jpg?600|Region near M8 after streak removal}} {{:en:news:big_sky_over_m8-after.jpg?600|Region near M8 after streak removal}}
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 +The version 2 of the UCAC4 catalog for Skychart is available from the [[en:Download|download page]]. It include this improvement and a correction to the proper motion of some stars.
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 +If you are interested in learning more about this process, you can download a [[http://www.ap-i.net/pub/skychart/ucac4/pass6.zip|zip file]] with a spreadsheet summarizing the data, the perl script used to do the extraction and measuring for one streak, a batch file which could be used to re-create the streak results, and source code for the modified extraction and measuring software. You will also need to download the [[ftp://cdsarc.u-strasbg.fr/cats/I/322A/UCAC4/u4b|UCAC4 binary catalog]], and the [[http://www.star.bris.ac.uk/~mbt/topcat/|TOPCAT]] software.\\
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en/news/ucac4_streak.1362410826.txt.gz · Last modified: 2015/11/06 20:35 (external edit)