For the variable star peeps who use Guide and are into doing filtered _time series_ photometry, here's a new thing, fully explained here

http://www.astro.uni.wroc.pl/ldb/asas/kepler.html

In the last paragraph, prior to the acknowledgements, you'll notice they'd like you to contact them if you can help them resolved some of the short period variable variability class issues. Discerning between several types of quite distinct short period variables can be quite problematic, seeing as various types can display low amplitude sinusoids with roughly similar range periods, to some extent. Sampling every few days for a long period of time and then finding folded lightcurves mostly works, but not always. So sometimes so high time frequency time series work is need.

Their data includes known and published variables as well as ones new to their survey, however they do give comprehensive cross identifications to variables from the GCVS and several other variable survey papers, details all via the above site.

Anyway, with the following TDF the objects are plotted as green cirles in this Cygnus field. There's nearly a thousand of them.

The source data lives here

http://www.astro.uni.wroc.pl/ldb/asas/kepler_tab.html

and click on the "plain table download" link at top of page.

The text file you download is called table_1.txt, which is a bit ambiguous, so I've renamed it so I know what it is in future, tucked away in the Guide directory, but if you rename it you must also use that name in the first line of the tdf after the word 'file'. For the below tdf I do keep the default name.

The data is sourced on the derived ASAS3 North coordinates. Although they have taken some effort to give cross identification to 2MASS, which of course will give better astrometry than the 14.4" per pixel ASAS3 cameras, it is always best to use measured astrometry, as cross identifications may not always be valid. Although the likely mostly are in these cases, some objects were also not able to be matched to 2MASS.

V and I mag (not sure which I) and their amplitudes are given (not always detected in both passbands, especially as some red stuff overexposed in I), the V-I colour, the assumed variability class, 2MASS cross IDs, their derived period, the cross ID to other variability surveys and the GCVS, and general notes, as included in the catalogue, are all given via the TDF.

You can goto TDF the ASAS identifier from the table too. Labels to the circle symbols and their colour and their visibility depending on field of view width can be toggled / changed in More Info -> Display.

Also, there's a link at the bottom of the TDF which will launch their websites summary sheet for that particular star, where graphs, finder charts, info, and a link to their epoch photometry are all available. That line in the tdf, the http line, is the one most likely to wordwrap here.

Just copy the data file to the Guide directory and cut and pasted the following into a text editor, bewaring wordwrap, and paste that as a .tdf file in the Guide directory, named whatever you wish to name it (naming it the same as the name you give the data file will be helpful for your future reference).

Finally, I'll reiterate that the

http://www.astro.uni.wroc.pl/ldb/asas/kepler.html

page requests that people write A Pigulski at Wroclaw University (address given) if they wish to help them with time series photometry of some objects. Sorting out which star is the real variable for blended objects is one of the main difficulties with wide field surveys of low astrometric resolution in such crowded fields.

Cheers

John

---------tdf starts after this line-----------
file Table_1.txt
title ASAS3 North Kepler Variables
RA H 5 2
RA M 7 2
RA S 9 2
de d 11 3
de m 14 4
text 5 13
~b 5 13 ASAS3 North %s\n\n
~r 5 6 RA [2000] %R\n
~r 11 7 Dec[2000] %D\n\n
~b 89 <>"9" V mag : %[89,6]\n
~b 96 <>"9" I mag : %[96,6]\n\n
~b156 <>"9" V amp : %[157,4]\n
~b162 <>"9" I amp : %[163,4]\n\n
~b103 <>"9" V-I %[103,6]\n\n
~b132 10 Type : %s\n\n
~b144 11 Period: %s days\n\n
~r 3 1 CrossID and Notes\n\n
~b 50 <>"B" 2MASS J%[48,16]\n\n
~b 50 0 B A Blend\n\n
~r168 100 %s\n\n
~r 1 3 ^Summary Sheet//xhttp://www.astro.uni.wroc.pl/ldb/asas/%[5,13].html^\n

pref ASAS3 North
epoch 2000
sort 1
type sC00d200;e0,0,18;
label spaces
goto spaces
field 0.00 50.00
shown 5
end
-----the TDF ended at the previous line-----------