Information request about Galaxies

AI Thread Summary
Research on the positioning of galaxies, particularly the Local Group, highlights the need for accessible Cartesian coordinates rather than polar vectors. Various databases, including the Tully database and GOLDmine, are mentioned as resources for galaxy data. The Tully database, which includes 2,367 galaxies, is noted as widely available, but the larger 28,000 galaxy dataset remains elusive and may not be officially released yet. Users are encouraged to explore the Nearby Galaxies Catalogue for sufficient information. Overall, there are multiple resources available for galaxy positioning research, but some data may still be in development.
Daminc
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Hi again,

I'm doing a bit of research about the positioning of the galaxies (the local group in particular) and I was wondering if there were any lists available where the cartisian coordinates were already calculated as apposed to translating them from the polar coordinate vectors.
 
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I've found these if anyone's interested:

http://www.stellar-database.com/
Stars within 75 light-years

http://www.lazette.net/Vision/Issue14/wbputtingstars.htm
Calculating coordinates and distance etc
 
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The Tully database is probably your best bet.

- Warren
 
Is it only available with Starry Night Pro v.4?
 
Tully's collection of 2367 galaxies (Nearby Galaxies Catalogue, VII/145, 1998) is available everywhere, such as:

http://www.asc.rssi.ru/mdb/stars/7/7145.htm
http://xml.gsfc.nasa.gov/archive/catalogs/7/7145/

Here's another database, GOLDmine, which you might find useful:

http://arxiv.org/abs/astro-ph/0212257

I am unable to find the 28,000 galaxy Tully database in downloadable form. Several preprints have used Tully's data, but all give him as a reference via "personal communication." I suspect that this means he is not completely done with the data, and has not officially released it yet. Chances are the Nearby Galaxies Catalogue will be sufficient for your purposes.

- Warren
 
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