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Re: TASS Nears Completion of Northren Sky Coverage



Congratulations, Tom, this is a major accomplishment. I hope I have as 
much fun in my retirement!

Michael Koppelman

On Thursday, October 16, 2003, at 01:00 PM, Thomas Droege wrote:

> The Amateur Sky Survey (TASS) is nearing completion of one pass 
> photometric
> coverage of the Northern sky.  1x.coverage.png attached shows the 
> coverage
> to date.  TASS expects to complete the Northern sky from -6 degrees to 
> the
> pole in November.  All measurements are made simultaneously through a 
> V and
> an Ic filter.  Most stars between 7 and 14 in V are measured.  There is
> some coverage between mag 6 and 16.
>
> To date, 16 October 2003, TASS Batavia IL has made 125 million single
> photometric measurements of 16 million stars in the Northern 
> hemisphere to
> -6 degrees.  TASS Batavia collects 15 millions measurements in an 
> average
> month through six automated telescopes.
>
> Of more interest for the purposes of the survey is the area TASS has
> covered with at least 20 V and 20 Ic measurements.  This is shown in
> 20x.coverage.png attached.  At this level of coverage it is possible to
> detect most variable stars.  TASS expects to cover nearly all of the
> Northern sky at the 20x level by Spring, 2004.
>
> TASS has detected thousands of variable stars that are not in the 
> current
> literature.  There is an active effort centered on the TASS mail list
> devoted to identifying and classifying these new variables stars.  This
> effort is coordinated at the TASS Wiki at:
>
> http://wiki.tass-survey.org/tass/view.do?nodeId=Tass
>
> This "do it yourself" web site contains many light curves for new 
> variable
> stars that have been found in the TASS data.
>
> The main TASS web site is at:
>
> http://www.tass-survey.org/tass/tass.shtml
>
> There is a public tass data base that is updated monthly with the 
> latest
> TASS measurements at:
>
> http://sallman.tass-survey.org/servlet/markiv/
>
> TASS is organized as a not for profit corporation.  It is funded by Tom
> Droege as his "fun in retirement" project.
>
> Tom Droege Batavia, IL TASS site  tdroege2@earthlink.net  Phone 630 
> 879 7609
>
>
>
>
> <1x.coverage.png><20x.coverage.png>