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Kouji Ohnishi 大西浩次
@koujiohnishi
位置天文学衛星ガイアの最初のデーター公開が9月14日に行われます。年周視差と固有運動はTycho 2カタログ（250万個の星）と結合して得たもの＋半年の星の位置、等級等のデータです。これで銀河系のイメージが変わる！ scientificamerican.com/article/upcomi… #science
2016-09-13 17:07:44
Kouji Ohnishi 大西浩次
@koujiohnishi
ガイアの9/14のファーストデータリリース TYCHO2カタログと連結 約2000個のクエーサーと連結 約11億個の天体測光データ(Gのみ)など巨大なデータ 銀河系の構造が詳細に見てくる。 これはすごいぞ〜。 twitter.com/brunomerin/sta…
2016-09-13 21:26:38
Bruno Merín
@BrunoMerin
@ESAGaia Data Release #1: T - 24 hours ! This page summarizes all the data released tomorrow buff.ly/2cATa2j pic.twitter.com/6RuZgS41E5
2016-09-13 19:38:14
ESA Science
@esascience
#GaiaDR1: 1st data release from @ESAGaia tomorrow! Watch live from 11:30CEST. Qs via #AskESA esa.int/Our_Activities… pic.twitter.com/JtzBnVNKGH
2016-09-13 23:03:06
拡大
ESA Science
@esascience
Background for tomorrow's @ESAGaia 1st data release: Media kit: sci.esa.int/gaia/58247-med… Outreach resources: sci.esa.int/gaia/52885-out… #GaiaDR1
2016-09-13 23:06:53
ESA Science
@esascience
Astronomers using #Hubble observe star reborn in a flash: ow.ly/42pW20002c1 pic.twitter.com/0TfBP107pG
2016-09-13 23:55:22
拡大
ESA Science
@esascience
1000 days ago, on 19 Dec 2013, @ESAGaia was launched. Today, the first data will be released. Stay tuned! #GaiaDR1 pic.twitter.com/Y0p7O4MNf3
2016-09-14 16:19:49
拡大
ESA Science
@esascience
Briefing on @ESAGaia 1st data release: today 11:30CEST at #ESAC. Watch livestream: esa.int/Our_Activities… #GaiaDR1 pic.twitter.com/wDfR0bZ17i
2016-09-14 16:24:35
拡大
ESA Science
@esascience
.@ESAGaia is #astrometry for 21st century. Did you know the oldest known star catalogue is >2000 yrs old? sci.esa.int/gaia/history-o… #GaiaDR1
2016-09-14 17:19:08
ESA Science
@esascience
Background for today's @ESAGaia first data release - Media kit: sci.esa.int/gaia/58247-med… Outreach resources: sci.esa.int/gaia/52885-out… #GaiaDR1
2016-09-14 17:21:06
ESA Science
@esascience
.@ESAGaia in numbers: innovative tech, #bigdata challenge & what's in 1st release: sci.esa.int/gaia/58210/ #GaiaDR1 pic.twitter.com/DK9NFRB0WB
2016-09-14 18:02:34
拡大
ESA Science
@esascience
Briefing on @ESAGaia 1st data release starting in few minutes! Follow #GaiaDR1, livestream & questions via #AskESA: youtu.be/5pAjvQ5uu7I
2016-09-14 18:24:35
ESA Science
@esascience
.@ESAGaia's 1st release briefing starting NOW: esa.int/Our_Activities… Data from #GaiaDR1 will be available after the briefing at 12:30CEST
2016-09-14 18:31:17
ESA Science
@esascience
We have stopped the #GaiaDR1 press event until the streaming issues are resolved. Our team is working on it. Stay tuned.
2016-09-14 18:40:42
ESA Science
@esascience
#GaiaDR1 programme has to continue while live stream issues are being worked. Follow for live tweets
2016-09-14 18:47:49
ESA Science
@esascience
Alvaro Gimenez, @esa Director of Science, presenting how astrometry with @ESAGaia is at the very core of ESA's science programme #GaiaDR1
2016-09-14 18:49:14
ESA Science
@esascience
A.Gimenez: @ESAGaia builds up on legacy of #Hipparcos mission, improving on completeness, faint stars, accuracy #GaiaDR1
2016-09-14 18:49:59
ESA Science
@esascience
A.Gimenez: @ESAGaia is not only stars. Final survey will contain ~250,000 Solar System Objects, 1,000,000 galaxies, 500,000 quasars #GaiaDR1
2016-09-14 18:50:30
ESA Science
@esascience
A.Gimenez: @ESAGaia data collected so far: ~490billion astrometric, ~118billion photometric, ~10billion spectroscopic measurements #GaiaDR1
2016-09-14 18:51:20
ESA Science
@esascience
#GaiaDR1 livestreaming is now working. Follow esa.int/Our_Activities… youtu.be/5pAjvQ5uu7I Questions via #AskESA
2016-09-14 18:53:15
ESA Science
@esascience
Now on stage Fred Jansen @ESAGaia mission manager: Operating at the limits of precision to obtain most precise stellar map ever #GaiaDR1
2016-09-14 18:54:13
ESA Science
@esascience
F.Jansen: @ESAGaia is charting 3D positions & motions of 1billion stars by monitoring star positions at unprecedented accuracy #GaiaDR1
2016-09-14 18:54:32
ESA Science
@esascience
F.Jansen: To measure stellar distances: parallax – annual shift of stars in the sky #GaiaDR1 sci.esa.int/gaia/53278 pic.twitter.com/tZL3gxhoWN
2016-09-14 18:55:10
拡大
ESA Science
@esascience
F.Jansen: To measure stellar velocities: proper motion + radial velocity (spectrum) #GaiaDR1 sci.esa.int/gaia/53278 pic.twitter.com/zfFoS8FBga
2016-09-14 18:55:51
拡大
ESA Science
@esascience
F.Jansen: Combined effect of parallax + proper motion: stars drawing spirals on the sky. Need >1year of observations to disentangle #GaiaDR1
2016-09-14 18:56:15
ESA Science
@esascience
F.Jansen: @ESAGaia will scan entire sky with @Hubble_Space quality optics, down to 500,000x fainter than human eye can see at night #GaiaDR1
2016-09-14 18:56:49