Diferenças

Esta página mostra as diferenças entre as duas revisões da página.

--- pt:news:gaia_dr2 [2018/09/01 16:10] – Criação deste novo documento. alfalb
+++ pt:news:gaia_dr2 [2019/09/17 14:28] (Atual) – alfalb
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 ====== GAIA DR2 ======
-==== O segundo lançamento de dados do GAIA estão agora disponíveis e podem ser utilizados com o Skychart  ====
+==== O segundo lançamento de dados do GAIA está agora disponível e pod ser utilizado com o Skychart  ====
 {{ :en:news:cdc_gaiadr2.jpg?350|M13 with GAIA DR2}}
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 DR2 sky coverage is now very good and this catalog can be use for general star chart. But many bright stars are missing so you must use it along with the default Hipparcos catalog.
-You can read more detail about GAIA DR2 in the [[http://gea.esac.esa.int/archive/documentation/index.html|release documentation]]
+Pode ler mais detalhes acerca de GAIA DR2 na [[http://gea.esac.esa.int/archive/documentation/index.html|documentação de lançamento]]
 ----
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 ----
-===Utilize um catálogo preparado para o Skychart===
+=== Utilize um catálogo preparado para o Skychart ===
 You can download this full catalog for local offline use.\\
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   * [[https://sourceforge.net/projects/skychart/files/2-catalogs/Stars/GAIA/gaia-dr2-3.torrent/download|gaia-dr2-3.torrent]] : The remaining stars from magnitude 18 to about 21, download size 36.4GB
-For convenience you can also download the first part, equivalent of gaia-dr2-1.torrent, directly from your browser: [[https://sourceforge.net/projects/skychart/files/2-catalogs/Stars/GAIA/gaia1.rar/download|gaia1.rar]], size 1.1 GB.
+For convenience you can also download the files from your browser using http, but this is likely to take more time and is less reliable than the torrent: [[https://vega.ap-i.net/pub/GaiaDR2/]]
-Extract all the 3 parts on the same directory, preferably in your Documents folder. This make the following folders:\\
+Extract all the 3 parts on the same directory, preferably in your Documents folder. On Windows you can use [[https://www.7-zip.org/|7-zip]], on Linux use "''unrar x gaia*.rar''". This make the following folders:\\
 .../gaia/gaia1\\
 .../gaia/gaia2\\
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 From Skychart, menu Setup/Catalog check Gaia and indicate the full path for .../gaia/ , not for any of the sub-directories.
+{{:en:news:cat-gaia.png?350|}}
 As the first part do not include the know Hipparcos stars to avoid duplicate plot of the bright stars you must also check Hipparcos at the same time as Gaia to add the bright stars.
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 They not include the star name, the proper motion, the parallax and the radial velocity. This is the price for the compactness but this values are not mandatory to make a nice star chart.
-The download size is much smaller, between 300MB and 840MB, see:\\
+The download size is much smaller, between 300MB and 1GB, see:\\
-https://sourceforge.net/projects/astap-program/files/star_databases/
+https://sourceforge.net/projects/hnsky/files/star_databases/
 Extract the files in your HNSKY directory or in any other folder.\\