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Thanks to everyone involved! Especially
@davidwhogg@FritzZwicky@rareflwr41@davidnidever for tons of help along the way!Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Finally, Figure 9: We have ~30 compact object / ~20 black hole companion candidates! These are systems where we see the primary star orbiting something more massive than itself, but the more massive object doesn't appear in the IR spectrum. Expect to see more about these soon :)pic.twitter.com/JQCBPUA79F
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Another fav. is Figure 7, showing the beautiful signature of tidal circularization of (primarily) main sequence stars with periods <~20 days (left). Right panel shows that we are likely detecting surface jitter / stochastic pulsations as "companions" for logg <~ 1 starspic.twitter.com/vF3m6bU2gG
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(c) More binaries for hotter stars! This has been known for a long time, but nice to see this signature show up here as well.
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(b) There are fewer binaries at the red clump (He-burning stars that have already gone up the RGB) compared near on the RGB, consistent with the primary star having consumed their companions while at maximum size. ~5–10% of low metallicity RGB stars have eaten a companion!
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Today on
@arxiv: binary stars from@APOGEEsurvey ! https://arxiv.org/abs/2002.00014 Figure 5 is my fav.: (a) The close binary fraction decreases w/ increased primary-star size (lower logg)! This is presumably because closer companions are consumed as the size of the primary gets larger,pic.twitter.com/U2MQ1SK6Z4
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Adrian Price-Whelan proslijedio/la je Tweet
#GaiaDR2 keeps on delivering! Our new paper is now on the ArXiv: https://arxiv.org/abs/2001.10012 In the work led by@AntojaTeresa we have detected the Sagittarius stream all around the sky from proper motions alone. The result: a ~300.000 stars sample (dwarf+tails) [1/3]pic.twitter.com/jxqgcqGzHJPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Adrian Price-Whelan proslijedio/la je Tweet
Hey everyone! We are very proud to share ‘Duo Duo: The Remixes’, a complete reimagining of our 2019 LP! Thank you
@post_trash_ for the wonderful words.http://post-trash.com/news/2020/1/26/operator-music-band-duo-duo-the-remixes-lp-post-trash-premiere …Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Adrian Price-Whelan proslijedio/la je Tweet
Applications open for the CCA Applied Galactic Dynamics Summer School, deadline 2/15. The school's aim is to make progress on outstanding problems in galaxy formation and the distribution/nature of dark matter...and it has a fun website! http://galacticdynamics.nyc/ pic.twitter.com/DEDaqQAFRl
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Adrian Price-Whelan proslijedio/la je Tweet
It's the paper day today! https://arxiv.org/abs/2001.07215 TL;DR precise radial velocities of the GD-1 stellar stream possibly localize the perturber near the Sagittarius orbital plane!
#multimessenger searches for#darkmatter next?pic.twitter.com/NrGxFhbNdj
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Adrian Price-Whelan proslijedio/la je Tweet
Graduate students studying dynamics and galactic structure: spend the summer in NYC at the CCA summer school. Applications due Feb 15: http://galacticdynamics.nyc
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Adrian Price-Whelan proslijedio/la je Tweet
The question is, where did they come from? via
@LiveSciencehttps://to.pbs.org/303C03PHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Adrian Price-Whelan proslijedio/la je Tweet
That’s a surprise. Young stars found on the outskirts of the Milky Way –
@CosmosMagazine coverage of@adrianprw and team's discovery.https://cosmosmagazine.com/space/that-s-a-surprise-young-stars-found-on-the-outskirts-of-the-milky-way …Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Adrian Price-Whelan proslijedio/la je Tweet
Congratulations to the Astropy Project Team
@astropy who have been awarded the@RoyalAstroSoc Group Achievement Award for Astronomy for producing the exceedingly valuable research toolkit Astropy and fostering professional software development skills in the community.#rasawardsHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Adrian Price-Whelan proslijedio/la je Tweet
The Milky Way Is Gaining New Stars From A Collision That Hasn't Even Occurred Yet https://www.forbes.com/sites/startswithabang/2020/01/09/the-milky-way-is-gaining-new-stars-from-a-collision-that-hasnt-even-occurred-yet/ … Our home galaxy is making new stars from material from the Magellanic Clouds, and they're still nearly 200,000 light-years away. Astronomy is cool.
#AAS235Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Adrian Price-Whelan proslijedio/la je Tweet
Today we feature more
#GaiaScience at#AAS235: the discovery of a new star cluster "Price-Whelan 1" made possible with#GaiaDR2. Read the story here: https://www.cosmos.esa.int/web/gaia/iow_20200109 …#GaiaData@esasciencepic.twitter.com/2W4qZlgx1u
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blue drinks are apparently common in hawaii!
@eteqpic.twitter.com/hMYIxefSTc
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Adrian Price-Whelan proslijedio/la je Tweet
Pitches starting after the plenary talk - see you at 9:05!!
#hackAAS#AAS235pic.twitter.com/on1bmr3p4p
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Adrian Price-Whelan proslijedio/la je TweetHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Adrian Price-Whelan proslijedio/la je Tweet
super exciting results from
@adrianprw - a faraway young star cluster in the Magellanic Stream, named Price-Whelan 1! (and adding to my tally of astro objects with hyphenated names)#AAS235https://twitter.com/FlatironInst/status/1214642863235043329 …
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