P. Clay Sherrod Aug 29, 2009
----- Original Message -----
From: "ucac3temp" <ucac3temp@...>
To: <guide-user@yahoogroups.com>
Sent: Saturday, August 29, 2009 2:34 PM
Subject: [guide-user] Re: UCAC3 from VizieR in Guide 8 - a howto
>
> Hiya
>
> Well, it is as it says on the tin, I'm afraid.
>
> This is for immediate use, via vizier, because vizier downloads data to the hard drive
> in a quasi-ascii way, at least the way Guide 8 downloads it.
>
> Now, if you've got the DVD, although you mention CD, I'd heard it to be a double sided
> DVD, that's in compressed binary files, and when Bill Gray has a chance to see some of
> those he will likely have to generate a Guide8.exe update. Just as the CD version of
> UCAC2, either directly or copied to hard disk, is compressed binary files, and has bits
> of itself decompressed on the file with Guide 8.
>
> The VizieR aspect is that VizieR serves the data in a different way to the source, and
> it is a way that can be used easily via the TDF system.
>
> It's not the same thing at all.
>
> VizieR serves several large databases in a way Guide can get at them, but also in a way
> that is a kind of "CDS standard" as opposed to how the source data necessarily look.
>
> USNO are serving UCAC3 in a somewhat proprietary manner so they can fit it on one DVD.
>
> There are other differences too. For instance, as sourced via CD/DVD ROM all versions
> of UCAC, first, second and third, do not include declination. They give South Polar
> Distance in millarcseconds. VizieR converts this to declination for the users'
> convenience. Bill will likely write something that will convert this as an exe file for
> data extraction to ascii, and also separately for Guide 8, the same as he did for UCAC2
> in the past.
>
> I assume.
>
> I've gone on at length to assure you I'm not just fobbing you off, I'm trying to show
> the two source routes are different universes.
>
> Cheers
>
> John
>
> --- In guide-user@yahoogroups.com, "P. Clay Sherrod" <drclay@...> wrote:
>>
>> Hello John....
>> Since I am about to install UCAC-3 this is very interesting and important to me, but
>> frankly I have no idea what you just posted. Can you explain exactly what this does
>> once
>> installed?
>>
>> Your explanation as to what it IS is very impressive, but I think you may be
>> overlooking
>> the obvious, as in: what does this do? What if we are not installing from "VizieR" but
>> from CD's, etc., etc.
>>
>> Your help is appreciated, but it is me who needs help on this one....thanks. Sometimes
>> computer-challenged individuals needs a bit more than the facts.
>>
>> Dr. Clay
>> _____
>> Arkansas Sky Observatories
>> MPC H45 - Petit Jean Mountain South
>> MPC H41 - Petit Jean Mountain
>> MPC H43 - Conway West
>> http://www.arksky.org/
>>
>> ----- Original Message -----
>> From: "ucac3temp" <ucac3temp@...>
>> To: <guide-user@yahoogroups.com>
>> Sent: Saturday, August 29, 2009 12:02 PM
>> Subject: [guide-user] UCAC3 from VizieR in Guide 8 - a howto
>>
>>
>> >
>> > Alrighty then, here's a temporary ucac3 from vizier for Guide 8 thingy until Bill has
>> > chance to do a grown up and more sophisticated one, because it is quite a busy
>> > dataset,
>> > with lots of flags and all that.
>> >
>> > This will give you positions, errors on positions, proper of the motions, errors
>> > thereupon, and ucac3 "model fit" ucac3 mags as well as 2mass J and Ks mags and errors
>> > thereon, and maybe something else, I forget already.
>> >
>> > I haven't bothered with any flags, ones such as those for doubles will only crop up
>> > rarely, and I'm fairly sure most of the astrometry software ignores various flags,
>> > especially the photometric ones, so why shouldn't a charting proggie? Also no final
>> > paper has been published yet so exactly what some flags represent and which one's
>> > concern the average chart maker or scope pointer is summat else altogether, even if
>> > there is a readme explaining some points, that's not the same as a full description
>> > as
>> > will appear in the eventual published journal paper.
>> >
>> > There's no use in the tdf I've writ for this one of the Guide proper motion
>> > corrections
>> > to epoch of date, ie I haven't used those command words to add proper motion to get
>> > epoch corrections coz it's often "problematic". Positions are thus epoch and equinox
>> > 2000 and proper motion is quoted in more info and help pop up.
>> >
>> > Guide should not be running when you do the following. Backup any file to be edited,
>> > just make a copy of if unsure.
>> >
>> > First, you need to get hold of download.txt. Make a back up of the original. It's
>> > in
>> > the Guide directory.
>> >
>> > Place it in a text editor. There are already a number of catalogues listed, and the
>> > last one is followed by a line simply saying
>> >
>> > end
>> >
>> > insert before this last line the following, via cut and paste or type it
>> >
>> > 2803 -cI/315/out&-out.all=1 ucac3.dat
>> >
>> > If you already have an entry/line starting 2803, use a number after whatever number
>> > you've already got.
>> >
>> > Remember that new number of yours though, you'll need it in toolbar.dat.
>> >
>> > Now, backup toolbar.dat. Load toolbar.dat into a text editor. Again, it's in the
>> > Guide
>> > directory.
>> >
>> > Increment the number at top of toolbar.dat by 1. ie if it's 3000 make it say 3001,
>> > just
>> > by simple text editing.
>> >
>> > Add/insert somewhere, probably near where you see a line like !usno.bmp, the
>> > following
>> > new line
>> >
>> > 2803 !ucac3.bmp UCAC3 data from VizieR
>> >
>> > there are 3 spaces at the start of that line, make it line up with the other
>> > nonhashed
>> > lines in toolbar.dat if confused.
>> >
>> > Again, if you used a number other than 2803 in download.txt you use that number
>> > instead
>> > of 2803 here in toolbar.dat.
>> >
>> > Save that in the Guide directory.
>> >
>> > You ain't got a button for the toolbar, I hear you cry.
>> >
>> > Okay then, I'll upload ucac3.bmp to the yahoo webpages FILES account, download it
>> > from
>> > there. Alternatively just find any small bmp in you Guide directory, copy it, rename
>> > it
>> > to ucac3.bmp, put it any old paint package, even a basic one like the one that comes
>> > with the OS, zoom in a lot and pixel edit it to look however you want, and save it as
>> > ucac3.bmp to your Guide directory.
>> >
>> > And that's it. You run Guide, you press the button, the ucac3 data downloads from
>> > VizieR (I'm using Strasbourg server, dunno if it's gone worldwide re servers as yet).
>> >
>> > Except, that isn't it, coz you can't see anything.
>> >
>> > So, here is the tdf to display it.
>> >
>> > Cut and paste the below text into a text editor, save it to Guide directory as a file
>> > called ucac3.tdf, and you'll get help and more info. It should be on via default.
>> >
>> > Stars are coloured via 2mass bumf, and drawn to the ucac3 model fit magnitude (I
>> > ain't
>> > bothered quoting the ucac3 aperture fit magnitude, yep, two for the price of one you
>> > get
>> > nowadays, or bogof as they call it here).
>> >
>> > I'll shove a copy of that in files too.
>> >
>> > You lucky people...
>> >
>> > As I say, you'll no doubt get a more grown up version later, and those who wish to
>> > get a
>> > dvd will probably in time be able to use that, hopefully even when copied to hard
>> > drive,
>> > but these are only just shipping out, and will be slowly generated, I believe, so it
>> > may
>> > be a long while afore Guide can meaningfully support said.
>> >
>> > Cheers
>> >
>> > John
>> >
>> > John Greaves
>> >
>> >
>> > ---------cut and paste from next line--------
>> > file ucac3.dat
>> > title UCAC3
>> > RA H 12 9
>> > units0 -2
>> > de d 29 9
>> > text 1 9
>> > mag 70 6
>> > photo J:163,5 H:180,5 K:197,5
>> > ~b 1 9 3UCAC %s\n\n
>> > ~r 12 9 RA 2000 %5R +/- %[24,3] mas\n
>> > ~r 29 9 Dec2000 %5D +/- %[41,3] mas\n\n
>> > ~r 29 0 RA %[12,9] deg Dec +%[30,8] deg\n\n
>> > ~r 29 0 - RA %[12,9] deg Dec %[29,9] deg\n\n
>> > ~r 52 8 RA mean epoch: %s\n
>> > ~r 61 8 Dec mean epoch: %s\n
>> > ~r100 2 %s used observations\n\n
>> > ~b117 8 muRA : %s +/- %[129,4] mas/y\n
>> > ~b134 8 muDec : %s +/- %[145,4] mas/y\n
>> > ~r113 2 \nfrom %s catalogues\n
>> > ~b 70 6 \nR_u3 : %s +/- %[86,5]\n
>> > ~b163 6 J : %s +/- %[171,4]\n
>> > ~b197 6 Ks : %s +/- %[205,4]\n
>> >
>> > epoch 2000
>> > type 6
>> > goto spaces # Ignore extra spaces in 'go to'
>> > goto case # Ignore upper vs. lower case in 'go to'
>> > label spaces # Remove extra spaces in the labels
>> > field 0.00 15.00
>> > mag lim 10
>> > shown 7
>> > end
>> > -----------cut and paste to previous line---------
>> >
>> >
>> >
>> >
>> > ------------------------------------
>> >
>> > To unsubscribe from this group, send an empty email to:
>> > guide-user-unsubscribe@...! Groups Links
>> >
>> >
>> >
>>
>
>
>
>
> ------------------------------------
>
> To unsubscribe from this group, send an empty email to:
> guide-user-unsubscribe@egroups.comYahoo! Groups Links
>
>
>