Gaia making a 3D-map of a Billion stars, new space observatory |
Gaia making a 3D-map of a Billion stars, new space observatory |
Apr 1 2006, 07:38 PM
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Member Group: Members Posts: 124 Joined: 23-March 06 Member No.: 723 |
Have you guys heard about this one ?
Gaia observatory link link QUOTE "The satellite will determine the position, colour and true motion of one thousand million stars and over 100,000 objects in our Solar System. Gaia will also identify as many as 10,000 planets around other stars. " QUOTE "Gaia will measure distance (from parallax) out to ~100,000 parsecs; for stars ~10,000 pc away, with a Vmag of ~<15, Gaia will measure their distances accurate to ~10-20%." You can also read about it here http://www.spaceflightnow.com/news/n0407/06mapping/ http://en.wikipedia.org/wiki/Gaia_probe or check the European space site |
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Apr 2 2018, 09:44 PM
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Member Group: Members Posts: 544 Joined: 17-November 05 From: Oklahoma Member No.: 557 |
Heads up. The astrometry revolution is about to start.
Gaia's second data release is coming up on April 25th. It will have 22 months worth of observations crunched into it. None of it will be relying on Hipparcos data anymore, it will be purely self contained. Here is a description: Gaia DR2 In other news the spacecraft had a hiccup back in February when it went into safe mode for ten days. It was a transponder problem, and there is some concern it could reoccur. Enough data has already been gathered to date in order to have a Data Release 3 in late 2020. That should be the last release before the final catalog. That is, unless they extend the mission. Update 21 April 2018 The press kit for the upcoming data release is now available HERE as a download. |
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