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Eric Mamajek Retweeted
NEW PAPER ALERT! "Scaling K2. I. Revised Parameters for 222,088 K2 Stars and a K2 Planet Radius Valley at 1.9 R⊕" https://arxiv.org/abs/2001.11511 (soon in ApJS!) This is the first paper in the "Scaling K2" series, with the ultimate goal of computing planet occurrence rates. But...pic.twitter.com/1AY4I46jce
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Eric Mamajek Retweeted
As a 19 year old working with James Binney, the beauty of Galactic Dynamics lured me into astrophysics. With GAIA tracing orbits of billions of stars, now is the most exciting time to be dynamicist. Join us in NYC for our summer school! http://galacticdynamics.nyc
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#NASA#Astrophysics Virtual Town Hall: Dual-Anonymous Peer Review for Astrophysics General Observer / General Investigator Programs February 27, 2020 1:00 P.M.–2:00 P.M. ET. https://pcos.gsfc.nasa.gov/news/dual-anonymous-peer-review.php …#AAS#ExoPAG#CoPAG#PhysPAG#DPS#ExoplanetsThanks. Twitter will use this to make your timeline better. UndoUndo -
I was briefly excited when I thought
@AB84 was referring to 4.1m and 8.2m telescopes.https://twitter.com/ab84/status/1223757603970387969 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Eric Mamajek Retweeted
The latest
@AAVSO observations show that#Betelgeuse continues to decrease in luminosity in the visible. But in the#infrared (JH bands) its is constant. It could mean that a lot of dust (transparent in the#infrared) is forming and blocks a big part of the visible star light.Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Eric Mamajek Retweeted
At 2:34 pm PST on Jan. 30, 2020, Spitzer Project Manager Joseph Hunt declared the Spitzer spacecraft decommissioned. Farewell, Spitzer. Thank you for the great science.

#SpitzerFinalVoyagehttps://go.nasa.gov/2vBoaKOThanks. Twitter will use this to make your timeline better. UndoUndo -
Eric Mamajek Retweeted
Engineers confirm
@NASAspitzer's mission ended today. The spacecraft is in safe mode, as planned. In 16+ years in space, Spitzer changed our understanding of the universe & was a pathfinder for space telescopes to come. It was a very good spacecraft
https://go.nasa.gov/2vBoaKO pic.twitter.com/l9kU7oHVGg
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Eric Mamajek Retweeted
I’m an Astros fan. To understand the scope of the Astros cheating & the players involved, I logged every trashcan bang from every Astros 2017 home game w/ video available. Over 8,200 pitches watched and over 1,100 trashcan bangs found. The results are at http://signstealingscandal.com .
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Eric Mamajek Retweeted
Hey! New Horizons is so far away that Proxima Cen shifts by 32 arcsec and Wolf 359 by 16, and we're going to show that by taking images of their fields on April 22-23 and comparing them to simultaneous Earth-based images. http://pluto.jhuapl.edu/News-Center/News-Article.php?page=20200129 …
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Eric Mamajek Retweeted
I'll call that a miss. Trails of both
#IRAS and#GGSE4 continue unimpeded after intersection, near bottom-left corner of the frame.pic.twitter.com/QRwynnpSy6
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Eric Mamajek Retweeted
Prelim M7.7 Earthquake Cuba region Jan-28 19:10 UTC, updates https://go.usa.gov/xdTes
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What’s a factor of three between friends! If you told me 0.2+-0.1 a decade ago, I’d have been impressed.
#EtaEarthhttps://twitter.com/aussiastronomer/status/1221982855309344768 …
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Eric Mamajek Retweeted
Remembering the crew of Apollo 1. On January 27, 1967, astronauts Virgil I. "Gus" Grissom, Edward H. White II, and Roger B. Chaffee perished in a fire during a pre-launch test for what was to be the first crewed Apollo mission.pic.twitter.com/wnJrk9IYNy
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Eric Mamajek Retweeted
I'm happy to say that the full HabEx report, it all of its 498-page, 171-author glory is now available on arxiv. Thanks all who contributed to the HabEx mission concept! ps. The Executive Summary is only 19 pages! https://arxiv.org/abs/2001.06683
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Eric Mamajek Retweeted
please spread the news!!! MIAPP Conference: "Stellar Astrophysics in the era of Gaia, spectroscopic, and asteroseismic surveys" 31 May - 25 June 2021 with
@danxhuber, Saskia Hekker, Amanda Karakas, and Rolf Kudritzki http://www.munich-iapp.de/programs-topical-workshops/2021/ …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Nominally: S = 1361 W m^-2 L = 3.828e26 W R = 695,700 km Teff = 5772 K GM = 1.3271244e20 m^3 s^-2 Mbol = 4.74 mbol = -26.832 Current best estimates: BCv = -0.085 Vmag = -26.747 age = 4.568 Gyr I'm really bad at this. I mean "burn"?
#Sunhttps://twitter.com/shannonmstirone/status/1220814151280295937 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Eric Mamajek Retweeted
Here you go
@david_kipping! The#dollypartonchallenge for TRAPPIST-1.pic.twitter.com/RLiBBNvy4k
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Eric Mamajek Retweeted
We're celebrating
@NASAspitzer's legacy and discoveries today during a live show. Join us, won't you? And, as always, if you have questions:#AskNASA https://go.nasa.gov/35ZFuFE
TODAY!
1pm ET/ 10am PT
#AskNASA
https://youtu.be/TwvgYbbilYc
#SpitzerFinalVoyagepic.twitter.com/KUueBAWJXkThanks. Twitter will use this to make your timeline better. UndoUndo -
Done with humans and humaning today. Enjoying
@OurPlanet and Attenborough narration on@NetflixThanks. Twitter will use this to make your timeline better. UndoUndo -
Eric Mamajek Retweeted
Congratulations to
@caltechipac Deputy Director Dr. Roc Cutri for receiving the@AAS_Office George Van Biesbroeck Prize! The award recognizes "his long-standing and selfless service and support for ground- and space-based infrared astronomy." http://bit.ly/36fz8Ci pic.twitter.com/79uZ2lLrzR
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