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Astro::Hipparcos(3) User Contributed Perl Documentation Astro::Hipparcos(3)

Astro::Hipparcos - Perl extension for reading the Hipparcos star catalog

  use Astro::Hipparcos;
  my $catalog = Astro::Hipparcos->new("thefile.dat");
  while (defined(my $record = $catalog->get_record())) {
    print $record->get_HIP(), "\n"; # print record id
  }
  
  # the twelth record (i.e. first is 1, NOT 0)
  my $specific_record = $catalog->get_record(12);

This is an extension for reading the Hipparcos star catalog.

Given a file name, returns a new Astro::Hipparcos catalog object.

Returns the next record (line) from the catalog as an Astro::Hipparcos::Record object.

Appends a record to an existing (or new) catalog. Can be used to select subsamples of the full record and write them to new data files. Confer the example in this distribution examples/simple_selection.pl.

For an example what you can produce with this little tool, have a look at <http://steffen-mueller.net/hipparcos/hipparcos.eps.bz2>. This is implemented in the examples/draw_hammer_proj.pl example in this distribution.

Astro::Hipparcos::Record

<http://en.wikipedia.org/wiki/Hipparcos_Catalogue>

At the time of this writing, you could obtain a copy of the Hipparcos catalogue from <ftp://adc.gsfc.nasa.gov/pub/adc/archives/catalogs/1/1239/> (hip_main.dat.gz).

Steffen Mueller, <smueller@cpan.org>

Copyright (C) 2009-2010 by Steffen Mueller

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.0 or, at your option, any later version of Perl 5 you may have available.

2010-01-14 perl v5.32.1

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