Dr Ashley J. Ruiter (@astronomash) header
Dr Ashley J. Ruiter (@astronomash) profile picture

Dr Ashley J. Ruiter

@astronomash

🇨🇦🇦🇺 Astrophysics, binary stars, thermonuclear supernovae, mom of 3 kids + cavoodle, 🏳️‍🌈🏳️‍⚧️ally. She/her

 Australia
Joined March 2009
  • Tweets2.5K
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Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)Photo by Dr Ashley J. Ruiter (@astronomash)
thank you @RocketWomanAus for the piece! #astronomy #womeninstem #ScienceResearch 🌟
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The AIP would like to express their deep concerns that the leadership of the University of Technology Sydney has temporarily suspended enrolments into the Physics major in the Bachelor of Science. Our Open Letter to the UTS VC is available to read here: aip.org.au/News/13535994
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About 40 hours on VLT-MUSE was critical for this discovery
AstronomyAustralia (@AstroAustralia) profile pictureAstronomyAustralia@AstroAustralia6 Jul 2025
Congratulations to the Australian-led team @UNSWScience @ARC_OzGRav @ARC_ASTRO3D that used @ESO telescopes to peel back the layers of a supernova explosion to reveal what caused the star to die. eso.org/public/news/eso2511/
Double detonation: new image shows remains of star destroyed by pair of explosions

Double detonation: new image shows remains of star destroyed by pair of explosions

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern...

eso.org
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Rare X posting 🔭😀
Priyam Das (@DasPriyam888) profile picturePriyam Das@DasPriyam8883 Jul 2025
Double detonation: new image finds answers to how white dwarf stars explode. This research was carried out by Me and my supervisors at UNSW, Australia and with collaboration from Germany, USA, Canada using ESO’s VLT. @ESO @UNSW @UNSWCanberra. nature.com/articles/s41550-0…
Image from Priyam Das (@DasPriyam888)
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Yay, it's published! 🤩
Springer Astronomy (@SpringerAstro) profile pictureSpringer Astronomy@SpringerAstro6 Feb 2025
#OpenAccess #ReviewArticle Ashley J. Ruiter, Ivo R. Seitenzahl. Type Ia supernova progenitors: a contemporary view of a long-standing puzzle. #AstronAstrophysRev 33, 1 (2025). doi.org/10.1007/s00159-024-0…
Schematic cartoon showing two channels of white dwarf mergers that can plausibly lead to SNe Ia

ALT Schematic cartoon showing two channels of white dwarf mergers that can plausibly lead to SNe Ia

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Dr Ashley J. Ruiter retweeted
John Ross (@JohnRoss49) profile picture
John Ross@JohnRoss4920 Nov 2024
Six unis which sacked hundreds of staff during Covid then recruited a hundred or more back again are now making scores or hundreds of people redundant, according to NTEU report drawn from members’ testimonies, media articles and unis’ financial statements. timeshighereducation.com/new…
Australian union demands inquiry into university governance

Australian union demands inquiry into university governance

‘Consultancy addiction’ contributes to boom-bust hiring practices in a sector where executives routinely ‘out-earn the premier’

timeshighereducation.com
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Dr Ashley J. Ruiter retweeted
Ori Fox❓ (@fox_ori) profile picture
Ori Fox❓@fox_ori19 Nov 2024
We're hiring!! A couple transient/time-domain postdoc positions at STScI/TSST this year. Deadline Dec 20, 2024. aas.org/jobregister/ad/e9715… aas.org/jobregister/ad/de7c4…
Image from Ori Fox❓ (@fox_ori)
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Dr Ashley J. Ruiter retweeted
Joe Callingham (@AstroJoeC) profile picture
Joe Callingham@AstroJoeC15 Nov 2024
If you want to know anything about radio signatures of exoplanets, star-planet interactions, or space weather, check out our @NatureAstronomy perspective! You can access it (for free) here: rdcu.be/d0bYI
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Check out my "chair oscillations" 😅
LISA Mission (@LISACommunity) profile pictureLISA Mission@LISACommunity8 Nov 2024
Conversation with Dr. Ashley Ruiter @astronomash at the recent LISA AstroWG meeting, a senior lecturer at UNSW Canberra and leading expert on progenitors of supernovae, and other transient phenomena related to interacting stars. Check out her webpage (ashleyruiterastro.wordpress.…)!
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It's been fun being back in Garching to hear about all the great #LISA gravitational wave #astrophysics research that's been happening 🌟
LISA Mission (@LISACommunity) profile pictureLISA Mission@LISACommunity7 Nov 2024
Final day, but the science will continue! Day 3 is also packed with thrilling talks on LISA sources, including GW backgrounds. We’ll wrap up with white paper discussions and updates on AstroWG projects. Brilliant minds gathered at the LISA AstroWG meeting–science in the making!
Image from LISA Mission (@LISACommunity)
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Dr Ashley J. Ruiter retweeted
LISA Mission (@LISACommunity) profile picture
LISA Mission@LISACommunity6 Nov 2024
Science continues! Day 2 of the LISA AstroWG meeting is underway, with continued exciting talks and discussions on stellar-mass multiples, black hole binaries, and EMRI. Plus, dedicated sessions on EM counterparts of LISA sources and AstroWG projects! #LISAMission #MPA
Image from LISA Mission (@LISACommunity)
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astro-ai (@astro_ai_cfa) profile picture
astro-ai@astro_ai_cfa23 Oct 2024
Friends: AstroAI is hiring a postdoctoral scholar to work on Foundation AI, Multi-modality and Large Language Models! Come work with us at the @CenterForAstro ! trustcareers.si.edu/en/posti…
Careers at Smithsonian Institution

Careers at Smithsonian Institution

Founded in 1846, the Smithsonian is the world’s largest museum and research complex of 21 museums and galleries, the National Zoo and Conservation Biology Institute, and 14 education and research...

trustcareers.si.edu
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Nice office view today. Quiet week before new people arrive at #HITS
wide angle view of an office showing side-by-side desks, a couple turned-off monitors, a closed mac laptop with rainbow heart sticker, keyboard and water bottle with a big window in the background showing lots of greenery outside.

ALT wide angle view of an office showing side-by-side desks, a couple turned-off monitors, a closed mac laptop with rainbow heart sticker, keyboard and water bottle with a big window in the background showing lots of greenery outside.

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Dr Ashley J. Ruiter retweeted
NASA Solar System (@NASASolarSystem) profile picture
NASA Solar System
@NASASolarSystem7 Oct 2024
Congratulations to the @ESA_Hera team! The mission will perform a detailed post-impact survey of the asteroid Dimorphos, where NASA's #DARTmission demonstrated a method of asteroid deflection. About DART: science.nasa.gov/mission/dar… About Hera: esa.int/Space_Safety/Hera/
Double Asteroid Redirection Test (DART) - NASA Science

Double Asteroid Redirection Test (DART) - NASA Science

DART was NASA's first successful planetary defense test. The spacecraft deliberately impacted asteroid Dimorphos, and successfully altered the asteroid’s orbit.

science.nasa.gov
European Space Agency (@esa) profile pictureEuropean Space Agency
@esa7 Oct 2024
Liftoff! ESA’s Hera mission lifted off on a SpaceX Falcon 9 from Cape Canaveral Space Force Station in Florida, USA, on 7 October at 10:52 local time (16:52 CEST, 14:52 UTC).

Hera Liftoff!

ESA’s Hera mission lifted off on a SpaceX Falcon 9 from Cape Canaveral Space Force Station in Florida, USA, on 7 October at 10:52 local time (16:52 CEST, 14:52 UTC).

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On another call with 30-50 senior GW folk for a future gravitational wave project in 2030s & once again, realising that I am the only non white participant again. Reminds me of being the one woman / 50 participants in numerical relativity workshops in 2005. One day maybe 🤞🙏🏾
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Dr Ashley J. Ruiter retweeted
Sven Buder (@astro_sven) profile picture
Sven Buder@astro_sven1 Oct 2024
GALAH DR4 is now public! 10 years of observations, 995 nights (incl. rainy/snowy/cloudy ones), 32 elements (incl. nitrogen), 0.92 Mio. stars, 1.09 Mio. spectra, thanks to an amazing group of observers, engineers, and astronomers. Paper: arxiv.org/abs/2409.19858 with links to data.
The Gaia DR3 all-sky colour view of the Milky Way with the 0.92 millions stars observed as part of GALAH DR4 shown as coloured points across the Southern sky.

ALT The Gaia DR3 all-sky colour view of the Milky Way with the 0.92 millions stars observed as part of GALAH DR4 shown as coloured points across the Southern sky.

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Dr Ashley J. Ruiter retweeted
Floor Broekgaarden 💫 (@FloorAstro) profile picture
Floor Broekgaarden 💫@FloorAstro25 Sep 2024
On the postdoc job market? Interested in applying AI/statistics to Astronomy & joining @ucsdastro? Don't forget to apply to the "Schmidt AI" fellowship, due Oct 7!: I would be happy to support your application & host you! postdoc.ucsd.edu/funding/sch…
Image from Floor Broekgaarden 💫 (@FloorAstro)
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Postdoc position in nuclear astrophysics opening in my group, please share widely! deadline: 20/10/2024 @GRAPPAinstitute vacatures.uva.nl/UvA/job/Pos…
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