I had the pleasure of writing an article for @ca.theconversation.com about some of the cool science Roman will do -- including studying the rotation of tiny stars (aka ultracool dwarfs)! Check it out here:
theconversation.com/how-nasas-na...
🔭 #exoplanets #stellarastro
theconversation.com/how-nasas-na...
🔭 #exoplanets #stellarastro
How NASA’s Nancy Grace Roman Space Telescope will open a window into the Milky Way
From supernovae in distant galaxies to the packed centre of the Milky Way, the new Roman telescope will help us see and understand the ever-changing cosmos.
theconversation.com
September 28, 2026 at 7:14 PM
I had the pleasure of writing an article for @ca.theconversation.com about some of the cool science Roman will do -- including studying the rotation of tiny stars (aka ultracool dwarfs)! Check it out here:
theconversation.com/how-nasas-na...
🔭 #exoplanets #stellarastro
theconversation.com/how-nasas-na...
🔭 #exoplanets #stellarastro
This week I am attending and presenting at Star Formation Fields, a conference organised by @univie.ac.at at Rethymno in Crete! 🔭
A great opportunity to discuss the latest developments on star formation, the interstellar medium and young stellar populations!
#stellarastro #galacticastro
A great opportunity to discuss the latest developments on star formation, the interstellar medium and young stellar populations!
#stellarastro #galacticastro
September 21, 2026 at 9:48 AM
This week I am attending and presenting at Star Formation Fields, a conference organised by @univie.ac.at at Rethymno in Crete! 🔭
A great opportunity to discuss the latest developments on star formation, the interstellar medium and young stellar populations!
#stellarastro #galacticastro
A great opportunity to discuss the latest developments on star formation, the interstellar medium and young stellar populations!
#stellarastro #galacticastro
New paper led by @thegraduatecenter.bsky.social Physics PhD student Andrew Dublin demonstrating five important strategies for characterizing results of fitting grids of asteroseismic models to measurements of white dwarf pulsation periods. ui.adsabs.harvard.edu/abs/2026arXi... #stellarastro
September 11, 2026 at 8:27 PM
New paper led by @thegraduatecenter.bsky.social Physics PhD student Andrew Dublin demonstrating five important strategies for characterizing results of fitting grids of asteroseismic models to measurements of white dwarf pulsation periods. ui.adsabs.harvard.edu/abs/2026arXi... #stellarastro
New paper out from me an my colleague Agnes Bischoff-Kim "A Seismic Technique for Obtaining White Dwarf Fundamental Parameters from Mean Period Spacings and Astrometry"! ui.adsabs.harvard.edu/abs/2026arXi... #stellarastro
September 11, 2026 at 8:23 PM
New paper out from me an my colleague Agnes Bischoff-Kim "A Seismic Technique for Obtaining White Dwarf Fundamental Parameters from Mean Period Spacings and Astrometry"! ui.adsabs.harvard.edu/abs/2026arXi... #stellarastro
The Orion complex revisited with its more complete census produced! 🔭
In this study led by Alena Rottensteiner, the precise SigMA clustering algorithm was applied to identified 47 stellar group within the Orion massive star-forming region, shared between ~12,000 members! (1/2)
#stellarastro
In this study led by Alena Rottensteiner, the precise SigMA clustering algorithm was applied to identified 47 stellar group within the Orion massive star-forming region, shared between ~12,000 members! (1/2)
#stellarastro
August 19, 2026 at 8:20 AM
The Orion complex revisited with its more complete census produced! 🔭
In this study led by Alena Rottensteiner, the precise SigMA clustering algorithm was applied to identified 47 stellar group within the Orion massive star-forming region, shared between ~12,000 members! (1/2)
#stellarastro
In this study led by Alena Rottensteiner, the precise SigMA clustering algorithm was applied to identified 47 stellar group within the Orion massive star-forming region, shared between ~12,000 members! (1/2)
#stellarastro
August 11, 2026 at 5:16 PM
1/8
This is the Sun's surface, the photosphere, seen as we've NEVER seen it before. 🔭
The Hawaiian Islands give you a scale.
Those thin filaments?
They're magnetic boundaries shaped by the Kelvin-Helmholtz instability (KHI) previously ONLY theorized, and FINALLY observed.⚛️🧪
#stellarastro #Sun
This is the Sun's surface, the photosphere, seen as we've NEVER seen it before. 🔭
The Hawaiian Islands give you a scale.
Those thin filaments?
They're magnetic boundaries shaped by the Kelvin-Helmholtz instability (KHI) previously ONLY theorized, and FINALLY observed.⚛️🧪
#stellarastro #Sun
August 8, 2026 at 6:17 PM
1/8
This is the Sun's surface, the photosphere, seen as we've NEVER seen it before. 🔭
The Hawaiian Islands give you a scale.
Those thin filaments?
They're magnetic boundaries shaped by the Kelvin-Helmholtz instability (KHI) previously ONLY theorized, and FINALLY observed.⚛️🧪
#stellarastro #Sun
This is the Sun's surface, the photosphere, seen as we've NEVER seen it before. 🔭
The Hawaiian Islands give you a scale.
Those thin filaments?
They're magnetic boundaries shaped by the Kelvin-Helmholtz instability (KHI) previously ONLY theorized, and FINALLY observed.⚛️🧪
#stellarastro #Sun
If you’d like to read the first author’s own announcement of the paper, here’s Alexis Quintana’s thread:
bsky.app/profile/alex...
🔭🧪⚛️ #galactic #stellarastro
bsky.app/profile/alex...
🔭🧪⚛️ #galactic #stellarastro
The local Milky Way unveiled by a new census of OB-type stars! 🔭
We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions!
#galactic #stellarastro
We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions!
#galactic #stellarastro
July 19, 2026 at 3:34 PM
If you’d like to read the first author’s own announcement of the paper, here’s Alexis Quintana’s thread:
bsky.app/profile/alex...
🔭🧪⚛️ #galactic #stellarastro
bsky.app/profile/alex...
🔭🧪⚛️ #galactic #stellarastro
The largest catalogue of runaway B-type stars ever released within 1 kpc! 🔭
In this study led by Juan Martínez García, from an all-sky sample of ~25,000 O- and B-type stars within 1 kpc, we found ~7% and ~17% of B-type and O-type stars being runaways, respectively.
#stellarastro #galactic
In this study led by Juan Martínez García, from an all-sky sample of ~25,000 O- and B-type stars within 1 kpc, we found ~7% and ~17% of B-type and O-type stars being runaways, respectively.
#stellarastro #galactic
July 17, 2026 at 8:08 AM
The largest catalogue of runaway B-type stars ever released within 1 kpc! 🔭
In this study led by Juan Martínez García, from an all-sky sample of ~25,000 O- and B-type stars within 1 kpc, we found ~7% and ~17% of B-type and O-type stars being runaways, respectively.
#stellarastro #galactic
In this study led by Juan Martínez García, from an all-sky sample of ~25,000 O- and B-type stars within 1 kpc, we found ~7% and ~17% of B-type and O-type stars being runaways, respectively.
#stellarastro #galactic
The local Milky Way unveiled by a new census of OB-type stars! 🔭
We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions!
#galactic #stellarastro
We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions!
#galactic #stellarastro
July 9, 2026 at 7:55 AM
The local Milky Way unveiled by a new census of OB-type stars! 🔭
We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions!
#galactic #stellarastro
We have identified a population of ~100,000 O- and B-type stars within 2 kpc. We trace Galactic structure (including the Sagittarius-Carina arm) as well as OB associations and massive star-forming regions!
#galactic #stellarastro
Now on the arxiv is my student, Waly Karim's, first first-author paper on the search of low-mass solar-like oscillators using NN. Waly just graduated from U of Rochester and will be starting his PhD at U of Maryland, College Park. #stellarastro #astro
ui.adsabs.harvard.edu/abs/2026arXi...
ui.adsabs.harvard.edu/abs/2026arXi...
ui.adsabs.harvard.edu
June 24, 2026 at 12:54 PM
Now on the arxiv is my student, Waly Karim's, first first-author paper on the search of low-mass solar-like oscillators using NN. Waly just graduated from U of Rochester and will be starting his PhD at U of Maryland, College Park. #stellarastro #astro
ui.adsabs.harvard.edu/abs/2026arXi...
ui.adsabs.harvard.edu/abs/2026arXi...
Earl Bellinger and I vibecoded this "asteroseismology clock" as an art project/experiment with Codex. Clock hands trace ray paths of pulsations from a model of the Sun, with timescales changed to standard h:m:s clock times. #stellarastro earlbellinger.com/apps/sun-clo...
Bellringer Sun Clock
A live asteroseismology clock where solar oscillation ray paths trace the hours, minutes, seconds, and year.
earlbellinger.com
June 21, 2026 at 12:34 AM
Earl Bellinger and I vibecoded this "asteroseismology clock" as an art project/experiment with Codex. Clock hands trace ray paths of pulsations from a model of the Sun, with timescales changed to standard h:m:s clock times. #stellarastro earlbellinger.com/apps/sun-clo...
We're back with Part II - A detailed analysis of the starspots on the young solar analog V1298 Tau as viewed with JWST @jwstobserver.bsky.social and LCO led by MSU postdoc Matthew Murphy 🌟 #stellarastro
check out the manuscript here
👉 arxiv.org/abs/2606.16782 👈
and the big takeaways below!
check out the manuscript here
👉 arxiv.org/abs/2606.16782 👈
and the big takeaways below!
June 16, 2026 at 11:15 PM
We're back with Part II - A detailed analysis of the starspots on the young solar analog V1298 Tau as viewed with JWST @jwstobserver.bsky.social and LCO led by MSU postdoc Matthew Murphy 🌟 #stellarastro
check out the manuscript here
👉 arxiv.org/abs/2606.16782 👈
and the big takeaways below!
check out the manuscript here
👉 arxiv.org/abs/2606.16782 👈
and the big takeaways below!
BEHEMOTH of a planet + starspot paper led by @matthewsplanet.bsky.social and @afeinstein20.bsky.social. 🧪🔭 #stellarastro
Murphy uses JWST observations of 20 Myr old sun-like star V1298 Tau and its planets to map the stellar surface and its effects on planet measurements. 😍
arxiv.org/abs/2606.16782
Murphy uses JWST observations of 20 Myr old sun-like star V1298 Tau and its planets to map the stellar surface and its effects on planet measurements. 😍
arxiv.org/abs/2606.16782
KRONOS II: Solar-like Umbra and Penumbra Properties on the Young Sun V1298~Tau
Transiting exoplanets provide a unique laboratory for studying stellar surface heterogeneities via starspot or facular occultations. When observed at multiple wavelengths, this configuration enables s...
arxiv.org
June 16, 2026 at 1:07 PM
BEHEMOTH of a planet + starspot paper led by @matthewsplanet.bsky.social and @afeinstein20.bsky.social. 🧪🔭 #stellarastro
Murphy uses JWST observations of 20 Myr old sun-like star V1298 Tau and its planets to map the stellar surface and its effects on planet measurements. 😍
arxiv.org/abs/2606.16782
Murphy uses JWST observations of 20 Myr old sun-like star V1298 Tau and its planets to map the stellar surface and its effects on planet measurements. 😍
arxiv.org/abs/2606.16782
Check out the #AAS248 @aas.org meeting iPoster "The Seismic Technique for Accurate White Dwarf Parameters" presented by Agnes Bischoff-Kim about our recently-submitted paper: aas248-aas.ipostersessions.com/Default.aspx...
#stellarastro
#stellarastro
aas (iPosterSessions - an aMuze! Interactive system)
aas248-aas.ipostersessions.com
June 13, 2026 at 8:54 PM
Check out the #AAS248 @aas.org meeting iPoster "The Seismic Technique for Accurate White Dwarf Parameters" presented by Agnes Bischoff-Kim about our recently-submitted paper: aas248-aas.ipostersessions.com/Default.aspx...
#stellarastro
#stellarastro
New #stellarastro paper with @jjhermes.bsky.social about a large outburst from the bright pulsating white dwarf star GD 1212. With fantastic data from NASA's Kepler/K2! The modeling effort was led by CUNY @thegraduatecenter.bsky.social PhD student Andrew Dublin.
Read here: arxiv.org/abs/2606.09987
Read here: arxiv.org/abs/2606.09987
June 13, 2026 at 12:17 AM
New #stellarastro paper with @jjhermes.bsky.social about a large outburst from the bright pulsating white dwarf star GD 1212. With fantastic data from NASA's Kepler/K2! The modeling effort was led by CUNY @thegraduatecenter.bsky.social PhD student Andrew Dublin.
Read here: arxiv.org/abs/2606.09987
Read here: arxiv.org/abs/2606.09987
after a wild ride, I am so so so excited to have the first paper of our JWST KRONOS program out!
"KRONOS I: The 1−2.8µm JWST Transmission Spectrum of the 23 Myr V1298 Tau c" led by MSU postdoc Matthew Murphy
👉 arxiv.org/abs/2606.03740 👈
(short summary thread below)
#stellarastro #planetsci 🧪
"KRONOS I: The 1−2.8µm JWST Transmission Spectrum of the 23 Myr V1298 Tau c" led by MSU postdoc Matthew Murphy
👉 arxiv.org/abs/2606.03740 👈
(short summary thread below)
#stellarastro #planetsci 🧪
June 3, 2026 at 3:50 PM
after a wild ride, I am so so so excited to have the first paper of our JWST KRONOS program out!
"KRONOS I: The 1−2.8µm JWST Transmission Spectrum of the 23 Myr V1298 Tau c" led by MSU postdoc Matthew Murphy
👉 arxiv.org/abs/2606.03740 👈
(short summary thread below)
#stellarastro #planetsci 🧪
"KRONOS I: The 1−2.8µm JWST Transmission Spectrum of the 23 Myr V1298 Tau c" led by MSU postdoc Matthew Murphy
👉 arxiv.org/abs/2606.03740 👈
(short summary thread below)
#stellarastro #planetsci 🧪
It's paper time ! I am particularly proud of this one as it has been years in the making but it is finally there 🎉
A huge thanks to all my co-authors, and especially to the amazing Achrène Dyrek with whom I am sharing the first-authorship !
arxiv.org/abs/2605.28755
☄️ #stellarastro
A huge thanks to all my co-authors, and especially to the amazing Achrène Dyrek with whom I am sharing the first-authorship !
arxiv.org/abs/2605.28755
☄️ #stellarastro
Hidden worlds: a non-transiting candidate planet in the Neptunian desert around the solar-type pulsator KIC 9139163
Close-in substellar companions experience strong tidal and magnetic interactions with their host stars and are therefore subject to fast orbital evolution. The solar-type pulsator KIC 9139163 exhibits...
arxiv.org
June 3, 2026 at 7:34 AM
It's paper time ! I am particularly proud of this one as it has been years in the making but it is finally there 🎉
A huge thanks to all my co-authors, and especially to the amazing Achrène Dyrek with whom I am sharing the first-authorship !
arxiv.org/abs/2605.28755
☄️ #stellarastro
A huge thanks to all my co-authors, and especially to the amazing Achrène Dyrek with whom I am sharing the first-authorship !
arxiv.org/abs/2605.28755
☄️ #stellarastro
In aeroplane mode ✈️ (Downloaded my first #stellarastro spectrum during a flight)
June 1, 2026 at 8:35 AM
In aeroplane mode ✈️ (Downloaded my first #stellarastro spectrum during a flight)
🧵1/7
Astronomers detected gamma rays from a rare superluminous supernova using NASA’s Fermi telescope. 🔭
This work offers a new view into what powers these unusually bright explosions.🧪 ⚛️
science.nasa.gov/missions/fer...
#cosmology #stellarastro #astronomy
Astronomers detected gamma rays from a rare superluminous supernova using NASA’s Fermi telescope. 🔭
This work offers a new view into what powers these unusually bright explosions.🧪 ⚛️
science.nasa.gov/missions/fer...
#cosmology #stellarastro #astronomy
May 23, 2026 at 12:07 PM
🧵1/7
Astronomers detected gamma rays from a rare superluminous supernova using NASA’s Fermi telescope. 🔭
This work offers a new view into what powers these unusually bright explosions.🧪 ⚛️
science.nasa.gov/missions/fer...
#cosmology #stellarastro #astronomy
Astronomers detected gamma rays from a rare superluminous supernova using NASA’s Fermi telescope. 🔭
This work offers a new view into what powers these unusually bright explosions.🧪 ⚛️
science.nasa.gov/missions/fer...
#cosmology #stellarastro #astronomy
🧵 1/9
In a 2022 paper, scientists announced that NICER observed the merging of multimillion-degree X-ray spots on the surface of magnetar SGR 1830-0645 (SGR 1830 for short).
Such merging had not been seen before for a magnetar.
➡️ nasa.gov/universe/nas...
🔭 🧪 ⚛️ #galactic #stellarastro #Astronomy
In a 2022 paper, scientists announced that NICER observed the merging of multimillion-degree X-ray spots on the surface of magnetar SGR 1830-0645 (SGR 1830 for short).
Such merging had not been seen before for a magnetar.
➡️ nasa.gov/universe/nas...
🔭 🧪 ⚛️ #galactic #stellarastro #Astronomy
April 30, 2026 at 7:01 PM
🧵 1/9
In a 2022 paper, scientists announced that NICER observed the merging of multimillion-degree X-ray spots on the surface of magnetar SGR 1830-0645 (SGR 1830 for short).
Such merging had not been seen before for a magnetar.
➡️ nasa.gov/universe/nas...
🔭 🧪 ⚛️ #galactic #stellarastro #Astronomy
In a 2022 paper, scientists announced that NICER observed the merging of multimillion-degree X-ray spots on the surface of magnetar SGR 1830-0645 (SGR 1830 for short).
Such merging had not been seen before for a magnetar.
➡️ nasa.gov/universe/nas...
🔭 🧪 ⚛️ #galactic #stellarastro #Astronomy
The paper has been accepted for publication in MNRAS! 🔭
The revised list contains 56 OB associations within 1 kpc, double the historical census! Besides tracing star formation and structure of the local Milky Way, this catalogue will be useful for target/follow-up studies!
#stellarastro #galactic
The revised list contains 56 OB associations within 1 kpc, double the historical census! Besides tracing star formation and structure of the local Milky Way, this catalogue will be useful for target/follow-up studies!
#stellarastro #galactic
April 30, 2026 at 7:01 AM
The paper has been accepted for publication in MNRAS! 🔭
The revised list contains 56 OB associations within 1 kpc, double the historical census! Besides tracing star formation and structure of the local Milky Way, this catalogue will be useful for target/follow-up studies!
#stellarastro #galactic
The revised list contains 56 OB associations within 1 kpc, double the historical census! Besides tracing star formation and structure of the local Milky Way, this catalogue will be useful for target/follow-up studies!
#stellarastro #galactic
If you like star formation, then there are only a few days left to submit an abstract to our upcoming conference in Rethymno, Crete this September: 🔭☄️ #stellarastro #galactic
The conference will be small-medium sized and focused strongly on star formation & advanced methods - should be really fun!
The conference will be small-medium sized and focused strongly on star formation & advanced methods - should be really fun!
Star Formation Fields
star-formation-fields.univie.ac.at
April 28, 2026 at 2:05 PM
If you like star formation, then there are only a few days left to submit an abstract to our upcoming conference in Rethymno, Crete this September: 🔭☄️ #stellarastro #galactic
The conference will be small-medium sized and focused strongly on star formation & advanced methods - should be really fun!
The conference will be small-medium sized and focused strongly on star formation & advanced methods - should be really fun!
Apply to host the next edition of the prestigious Protostars & Planets conference! 🔭☄️ #exoplanets #galactic #stellarastro #extragalactic
Submit your application by June 30th if your research team would be interested in hosting:
Submit your application by June 30th if your research team would be interested in hosting:
Apply to host the next Protostars and Planets conference - The Star Formation Newsletter
Submissions are now open to host Protostars and Planets VIII.
starformationnews.org
April 28, 2026 at 1:36 PM
Apply to host the next edition of the prestigious Protostars & Planets conference! 🔭☄️ #exoplanets #galactic #stellarastro #extragalactic
Submit your application by June 30th if your research team would be interested in hosting:
Submit your application by June 30th if your research team would be interested in hosting:
It's paper time ! I am really happy that this one is finally accepted as I actually started the project in late 2022 !
We present the first 3D global simulation of stellar interiors accounting for two convective zones: a shallow envelope and a small convective core ! ✨
☄️ #stellarastro
We present the first 3D global simulation of stellar interiors accounting for two convective zones: a shallow envelope and a small convective core ! ✨
☄️ #stellarastro
April 27, 2026 at 7:17 AM
It's paper time ! I am really happy that this one is finally accepted as I actually started the project in late 2022 !
We present the first 3D global simulation of stellar interiors accounting for two convective zones: a shallow envelope and a small convective core ! ✨
☄️ #stellarastro
We present the first 3D global simulation of stellar interiors accounting for two convective zones: a shallow envelope and a small convective core ! ✨
☄️ #stellarastro