Postdoctoral fellow in astronomy at Caltech & Carnegie Observatories. All opinions my own. she/her/hers
Joined September 2020
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Stella Koch Ocker retweeted
Congratulations to NANOGrav for detecting evidence that gravitational waves fill the cosmos.
These ripples in the fabric of space happen when massive objects like black holes circle one another before colliding. The result brings us closer to understanding how galaxies evolve. go.nasa.gov/3PwynPD
Stella Koch Ocker retweeted
In eight new papers, @NANOGrav presents evidence for a gravitational wave background. In this bite, we provide an overview of their results and their implications #pulsartimingarrays #GravitationalWaves
astrobites.org/2023/06/28/dr…
Stella Koch Ocker retweeted
Read all of our @NANOGrav articles in the Astrophysical Journal Letters, now live and open access!
Stella Koch Ocker retweeted
If you like this hum, you’ll love the discussion of our 15 year results tomorrow at 1pm EDT from NSF headquarters. nanograv.org/news/2023Announ…
Stella Koch Ocker retweeted
Mark your calendars and get ready for a major announcement from the NANOGrav collaboration on June 29th! #nanograv
Did you know the Beatles turned down the chance to be on the @NASAVoyager Golden Record?
For more fun facts about Voyager, check out my interview with engineer Todd Barber, scientist Alan Cummings, and Becky Ferreira from @motherboard @VICE! 🛰️🪐🎶
youtube.com/watch?v=jxTAW88w…
Stella Koch Ocker retweeted
Happy #PulsarFriday!
Have you ever seen the picture below of the Crab Nebula? Did you know that this supernova remnant actually contains a very interesting pulsar? Learn more about it on this edition of Pulsar Friday! 🧵
ALT Crab Nebula, large structure glowing orange, green, and blue
Stella Koch Ocker retweeted
Happy #PulsarFriday! Today's thread is going to focus on the amazing #WomeninSTEM from around the world who who study pulsars! 🧵
holy moly! thanks @Astro_Madden for the beautiful cover 😲
Our August issue is now here for you to read: nature.com/natastron/volumes…
The cover image is connected to the Voyager 1 paper in the issue (Ocker et al.), and was created by Jack Madden.
Stella Koch Ocker retweeted
What Fast Radio Bursts Tell Us About Galaxy Halos
Scientists are leveraging enigmatic bursts of radiation to learn about the hot, ionized gas around the Milky Way and other galaxies. aasnova.org/2021/05/21/what-… @Cornell @CornellAstro @space_ocker
ALT Illustration showing a distant galaxy emitting a pulse of light that passes through the halo of an intervening galaxy and arrives at the Milky Way.
Stella Koch Ocker retweeted
🔊 From 14.1 billion miles from Earth, the Voyager 1 spacecraft has detected a new cosmic “hum” in interstellar space from the Plasma Wave System instrument aboard the craft!
🌊 Learn about what this fascinating discovery means to us here on Earth: go.nasa.gov/3hf1mGs
After >40 years of space travel, Voyager 1 has discovered an intriguing new signature of plasma vibrating in the interstellar medium. Thanks to this detection, we can now continuously track the structure of interstellar space traversed by Voyager 1!
A weak, previously undetected, plasma oscillation is aiding Voyager 1 to measure the density of the interstellar medium without the need for Solar ejections. Work from @space_ocker and colleagues. @NASAVoyager @CornellAstro
🌟⭐️✨
My paper on using fast radio bursts to study ionized gas in galaxy halos is officially out in ApJ! You can check it out here doi.org/10.3847/1538-4357/ab… (arXiv:2101.04784), or alternatively, see the talk I gave to CHIME/FRB Journal Club: youtube.com/watch?v=C-pF1w_C…
🌟⭐️✨
Stella Koch Ocker retweeted
Trained astrophysicist @Astro_Madden has found creative ways to use the #Wolfram Language whilst pursing a MFA. Here, Madden shares the process of mapping a list of colors with a list of characters to create beautiful images: wolfr.am/SucHNLyr #MadewithMathematica
Stella Koch Ocker retweeted
“For the first time, we are seeing significant evidence for a signal in our data that is common among many of the pulsars.” Joe Simon, the lead researcher on this project. #NANOGravAAS
visiting #AreciboObservatory has been on my bucket list ever since I first analyzed Arecibo data in undergrad. 2020 is truly the year of what might have been ☹️
Stella Koch Ocker retweeted
Pleased to announce another 🚨🚨 NEW PAPER! 🚨🚨 Remember that jumbo #WhiteDwarfPlanet, announced just a few weeks ago? We think it went on a wild rollercoaster ride 🎢 to get there. Check it out!🔗arxiv.org/abs/2010.04163
