#asteroseismology — Public Fediverse posts

New in the #VirtualObservatory: “Solar-like oscillations using TESS 2” by Feng Y. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/283/12
#ChemicalAbundances #EffectiveTemperature #Asteroseismology #VariableStars

New in the #VirtualObservatory: “Solar-like oscillations using TESS 2” by Feng Y. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/283/12
#ChemicalAbundances #EffectiveTemperature #Asteroseismology #VariableStars

New in the #VirtualObservatory: “32 naked-eye stars seismic characterisation” by Panetier E. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/712/A33
#GStars #DwarfStars #Asteroseismology #SubdwarfStars

New in the #VirtualObservatory: “Solar-like oscillators properties from Kepler DR25” by Sayeed M. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/170/212
#Photometry #Exoplanets #Asteroseismology #StellarActivity

New in the #VirtualObservatory: “Study of TESS LCs RRc stars variation modes” by Benko J.M. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/521/443
#VisibleAstronomy #VariableStars #Asteroseismology #Photometry

New in the #VirtualObservatory: “Super-Nyquist freq. in Kepler delta Scuti stars” by Mo Y. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/710/A245
#VisibleAstronomy #VariableStars #Asteroseismology

New in the #VirtualObservatory: “Seismically unresolved red-giant binary candidates” by Choi J.Y. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/710/A143
#Asteroseismology #VisibleAstronomy #GiantStars #Photometry

New in the #VirtualObservatory: “Period-luminosity relation of LPVs in LMC from ATLAS” by Hey D. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/280/14
#VariableStars #InfraredPhotometry #MagellanicClouds #Asteroseismology

https://www.europesays.com/ie/464275/ Asteroseismic Modelling Of Main-sequence Solar-like Stars And Kepler Exoplanet Host Stars With The FICO Procedure I. Catalogue Of Fundamental Stellar Properties #Asteroseismology #Éire #Exoplanet #FICO #Habitability #Heliophysics #Https://astrobiologyCom/2026/05/astronomy #Https://astrobiologyCom/2026/05/imaging #IE #Ireland #Kepler #MainSequence #Science #Spectroscopy #StellarCartography #SunLikeStar

New in the #VirtualObservatory: “Asteroseismology of 19000 TESS red giants” by Sreenivas K.R. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/548/G671
#VisibleAstronomy #Asteroseismology #GiantStars

New in the #VirtualObservatory: “Evolutionay status of Kepler red giants” by Vrard M. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/697/A165
#EffectiveTemperature #GiantStars #Asteroseismology #VisibleAstronomy

New in the #VirtualObservatory: “Seismic global parameters of 41 KIC” by Mosser B. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/706/L5
#VisibleAstronomy #Asteroseismology #StellarAssociations

New in the #VirtualObservatory: “5 oscillating eclipsing Algols puls. frequencies” by Pawar T. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/705/A251
#EclipsingBinaryStars #VisibleAstronomy #Asteroseismology

I mentioned Gaia DR4 as my most anticipated #astronomy event this year but this Nature Astronomy editorial made me aware that CubeSpec and TOLIMAN are due to launch. I can't now found details about what data TOLIMAN will report but I'm hoping its something we can use for #asteroseismology. Both α Cen A and B are known to be solar-like oscillators.

https://www.nature.com/articles/s41550-026-02779-9

I mentioned Gaia DR4 as my most anticipated #astronomy event this year but this Nature Astronomy editorial made me aware that CubeSpec and TOLIMAN are due to launch. I can't now found details about what data TOLIMAN will report but I'm hoping its something we can use for #asteroseismology. Both α Cen A and B are known to be solar-like oscillators.

https://www.nature.com/articles/s41550-026-02779-9

I mentioned Gaia DR4 as my most anticipated #astronomy event this year but this Nature Astronomy editorial made me aware that CubeSpec and TOLIMAN are due to launch. I can't now found details about what data TOLIMAN will report but I'm hoping its something we can use for #asteroseismology. Both α Cen A and B are known to be solar-like oscillators.

https://www.nature.com/articles/s41550-026-02779-9

I mentioned Gaia DR4 as my most anticipated #astronomy event this year but this Nature Astronomy editorial made me aware that CubeSpec and TOLIMAN are due to launch. I can't now found details about what data TOLIMAN will report but I'm hoping its something we can use for #asteroseismology. Both α Cen A and B are known to be solar-like oscillators.

https://www.nature.com/articles/s41550-026-02779-9

I mentioned Gaia DR4 as my most anticipated #astronomy event this year but this Nature Astronomy editorial made me aware that CubeSpec and TOLIMAN are due to launch. I can't now found details about what data TOLIMAN will report but I'm hoping its something we can use for #asteroseismology. Both α Cen A and B are known to be solar-like oscillators.

https://www.nature.com/articles/s41550-026-02779-9

New in the #VirtualObservatory: “Variability of magnetic hot stars from TESS obs.” by Shen D.-X. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/955/123
#VisibleAstronomy #EffectiveTemperature #Asteroseismology #MagneticFields

New in the #VirtualObservatory: “Variability of magnetic hot stars from TESS obs.” by Shen D.-X. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/955/123
#VisibleAstronomy #EffectiveTemperature #Asteroseismology #MagneticFields

New in the #VirtualObservatory: “Variability of magnetic hot stars from TESS obs.” by Shen D.-X. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/955/123
#VisibleAstronomy #EffectiveTemperature #Asteroseismology #MagneticFields

New in the #VirtualObservatory: “Variability of magnetic hot stars from TESS obs.” by Shen D.-X. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/955/123
#VisibleAstronomy #EffectiveTemperature #Asteroseismology #MagneticFields

New in the #VirtualObservatory: “Variability of magnetic hot stars from TESS obs.” by Shen D.-X. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/955/123
#VisibleAstronomy #EffectiveTemperature #Asteroseismology #MagneticFields

New in the #VirtualObservatory: “BAF-type main-sequence stars rotation velocities” by Aerts C.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/704/A332
#FStars #Asteroseismology #DwarfStars

https://www.europesays.com/uk/604374/ This star orbiting a black hole has a composition that surprises scientists #AlphaElements #AsteroSeismology #Benchmarks #BinarySystem #BlackHole #GaiaBH2 #Galaxy #GraphicsCard #laptop #MilkyWay #netbook #notebook #processor #RedGiant #reports #Review #Reviews #Science #SolarSysteme #Space #StellarEvolution #StellarRotation #TESSSatellite #test #tests #UK #UnitedKingdom #unvierse

https://www.europesays.com/ie/208806/ This star orbiting a black hole has a composition that surprises scientists #AlphaElements #AsteroSeismology #benchmarks #BinarySystem #BlackHole #Éire #GaiaBH2 #Galaxy #GraphicsCard #IE #Ireland #laptop #MilkyWay #netbook #notebook #processor #RedGiant #reports #Review #Reviews #Science #SolarSysteme #Space #StellarEvolution #StellarRotation #TESSSatellite #test #tests #unvierse

New in the #VirtualObservatory: “PU learning of hybrid pulsators in TESS” by Kliapets M. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/703/A240
#VariableStars #VisibleAstronomy #Asteroseismology

New in the #VirtualObservatory: “Low-luminosity Kepler red giants analysis” by Kuszlewicz J.S. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/954/152
#ChemicalAbundances #StellarMasses #GiantStars #Asteroseismology

New in the #VirtualObservatory: “Improved stellar parameters of Kepler RGB stars” by Wang Y. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/953/182
#Asteroseismology #GiantStars #ChemicalAbundances #StellarAges

Glad to see a descendent of another stellar evolution code that I once used putting out a fresh instrument paper (of a series to be?):

https://arxiv.org/abs/2511.02801

I've always found Cesam2k20 particularly interesting because I think it has the most advanced treatment (among 1D codes) of rotation, and because it possibly uniquely uses a collocation method to solve the spatial equations.

Find out more about the code at their website:

https://www.ias.u-psud.fr/cesam2k20/

#astronomy #asteroseismology

Glad to see a descendent of another stellar evolution code that I once used putting out a fresh instrument paper (of a series to be?):

https://arxiv.org/abs/2511.02801

I've always found Cesam2k20 particularly interesting because I think it has the most advanced treatment (among 1D codes) of rotation, and because it possibly uniquely uses a collocation method to solve the spatial equations.

Find out more about the code at their website:

https://www.ias.u-psud.fr/cesam2k20/

#astronomy #asteroseismology

Glad to see a descendent of another stellar evolution code that I once used putting out a fresh instrument paper (of a series to be?):

https://arxiv.org/abs/2511.02801

I've always found Cesam2k20 particularly interesting because I think it has the most advanced treatment (among 1D codes) of rotation, and because it possibly uniquely uses a collocation method to solve the spatial equations.

Find out more about the code at their website:

https://www.ias.u-psud.fr/cesam2k20/

#astronomy #asteroseismology

Glad to see a descendent of another stellar evolution code that I once used putting out a fresh instrument paper (of a series to be?):

https://arxiv.org/abs/2511.02801

I've always found Cesam2k20 particularly interesting because I think it has the most advanced treatment (among 1D codes) of rotation, and because it possibly uniquely uses a collocation method to solve the spatial equations.

Find out more about the code at their website:

https://www.ias.u-psud.fr/cesam2k20/

#astronomy #asteroseismology

For #asteroseismology, Kepler's sensitivity and observing duration is unparalleled. TESS has been exciting for otherwise-interesting bright stars but I've felt K2 was neglected. The 90d baseline is valuable but the systematics gnarly. So I'm delighted to see Hookway et al.'s (2025) analysis of solar-like oscillators in the K2 "KEYSTONE" sample.

https://arxiv.org/abs/2510.21626

Here's an example power spectrum for a late subgiant, where the symbols indicate individual oscillation modes. 🤩

#astronomy

For #asteroseismology, Kepler's sensitivity and observing duration is unparalleled. TESS has been exciting for otherwise-interesting bright stars but I've felt K2 was neglected. The 90d baseline is valuable but the systematics gnarly. So I'm delighted to see Hookway et al.'s (2025) analysis of solar-like oscillators in the K2 "KEYSTONE" sample.

https://arxiv.org/abs/2510.21626

Here's an example power spectrum for a late subgiant, where the symbols indicate individual oscillation modes. 🤩

#astronomy

For #asteroseismology, Kepler's sensitivity and observing duration is unparalleled. TESS has been exciting for otherwise-interesting bright stars but I've felt K2 was neglected. The 90d baseline is valuable but the systematics gnarly. So I'm delighted to see Hookway et al.'s (2025) analysis of solar-like oscillators in the K2 "KEYSTONE" sample.

https://arxiv.org/abs/2510.21626

Here's an example power spectrum for a late subgiant, where the symbols indicate individual oscillation modes. 🤩

#astronomy

For #asteroseismology, Kepler's sensitivity and observing duration is unparalleled. TESS has been exciting for otherwise-interesting bright stars but I've felt K2 was neglected. The 90d baseline is valuable but the systematics gnarly. So I'm delighted to see Hookway et al.'s (2025) analysis of solar-like oscillators in the K2 "KEYSTONE" sample.

https://arxiv.org/abs/2510.21626

Here's an example power spectrum for a late subgiant, where the symbols indicate individual oscillation modes. 🤩

#astronomy

New in the #VirtualObservatory: “Beyond the Nyquist frequency” by Liagre B. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/702/A144
#Asteroseismology #GiantStars #ChemicalAbundances #VisibleAstronomy

It's still #TESStuesday! And today's there's some neat #asteroseismology.

You may have heard of the "Methusaleh star", which is very old but I honestly don't think was ever a challenge to the accepted age of the Universe. But this study of the oscillations based on TESS data is nevertheless interesting because it's very poor in metals relative to other asteroseismic targets, and shows that our rough rules for oscillation properties seem to deviate at low metallicity.

https://arxiv.org/abs/2510.11532

It's still #TESStuesday! And today's there's some neat #asteroseismology.

You may have heard of the "Methusaleh star", which is very old but I honestly don't think was ever a challenge to the accepted age of the Universe. But this study of the oscillations based on TESS data is nevertheless interesting because it's very poor in metals relative to other asteroseismic targets, and shows that our rough rules for oscillation properties seem to deviate at low metallicity.

https://arxiv.org/abs/2510.11532

It's still #TESStuesday! And today's there's some neat #asteroseismology.

You may have heard of the "Methusaleh star", which is very old but I honestly don't think was ever a challenge to the accepted age of the Universe. But this study of the oscillations based on TESS data is nevertheless interesting because it's very poor in metals relative to other asteroseismic targets, and shows that our rough rules for oscillation properties seem to deviate at low metallicity.

https://arxiv.org/abs/2510.11532

It's still #TESStuesday! And today's there's some neat #asteroseismology.

You may have heard of the "Methusaleh star", which is very old but I honestly don't think was ever a challenge to the accepted age of the Universe. But this study of the oscillations based on TESS data is nevertheless interesting because it's very poor in metals relative to other asteroseismic targets, and shows that our rough rules for oscillation properties seem to deviate at low metallicity.

https://arxiv.org/abs/2510.11532

New in the #VirtualObservatory: “TESS Luminaries Sample. I.” by Lund M. N. et al.
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/701/A285
#DwarfStars #Asteroseismology #GStars #SpectroscopicBinaryStars

I might incur 13.7 days of bad luck for sharing a non-TESS light curve on #TESStuesday but this multi-band light curve from the brand new Vera C. Rubin Observatory's commissioning data is too good. 🤩

This is a distant (16.6kpc), faint (18th magnitude) SX Phe variable but the light curve has the unmistakable shape (in the optical g band) of a δ Sct/SX Phe variable.

https://iopscience.iop.org/article/10.3847/2515-5172/adeab0

#astronomy #astrodon #asteroseismology

I might incur 13.7 days of bad luck for sharing a non-TESS light curve on #TESStuesday but this multi-band light curve from the brand new Vera C. Rubin Observatory's commissioning data is too good. 🤩

This is a distant (16.6kpc), faint (18th magnitude) SX Phe variable but the light curve has the unmistakable shape (in the optical g band) of a δ Sct/SX Phe variable.

https://iopscience.iop.org/article/10.3847/2515-5172/adeab0

#astronomy #astrodon #asteroseismology

I might incur 13.7 days of bad luck for sharing a non-TESS light curve on #TESStuesday but this multi-band light curve from the brand new Vera C. Rubin Observatory's commissioning data is too good. 🤩

This is a distant (16.6kpc), faint (18th magnitude) SX Phe variable but the light curve has the unmistakable shape (in the optical g band) of a δ Sct/SX Phe variable.

https://iopscience.iop.org/article/10.3847/2515-5172/adeab0

#astronomy #astrodon #asteroseismology

I might incur 13.7 days of bad luck for sharing a non-TESS light curve on #TESStuesday but this multi-band light curve from the brand new Vera C. Rubin Observatory's commissioning data is too good. 🤩

This is a distant (16.6kpc), faint (18th magnitude) SX Phe variable but the light curve has the unmistakable shape (in the optical g band) of a δ Sct/SX Phe variable.

https://iopscience.iop.org/article/10.3847/2515-5172/adeab0

#astronomy #astrodon #asteroseismology

NASA's TESS satellite serendipitously observed the 2019 eclipse of γ Per and I'm delighted to see it got some attention in a poster by László Molnár, Rozália Ádám and collaborators at this year's KASC15/TASC8 conference (basically the biggest annual #asteroseismology conference):

https://zenodo.org/records/13641744

#astronomy

(The imaged light curve is my own but in essence the same as one in the poster.)

NASA's TESS satellite serendipitously observed the 2019 eclipse of γ Per and I'm delighted to see it got some attention in a poster by László Molnár, Rozália Ádám and collaborators at this year's KASC15/TASC8 conference (basically the biggest annual #asteroseismology conference):

https://zenodo.org/records/13641744

#astronomy

(The imaged light curve is my own but in essence the same as one in the poster.)

NASA's TESS satellite serendipitously observed the 2019 eclipse of γ Per and I'm delighted to see it got some attention in a poster by László Molnár, Rozália Ádám and collaborators at this year's KASC15/TASC8 conference (basically the biggest annual #asteroseismology conference):

https://zenodo.org/records/13641744

#astronomy

(The imaged light curve is my own but in essence the same as one in the poster.)

NASA's TESS satellite serendipitously observed the 2019 eclipse of γ Per and I'm delighted to see it got some attention in a poster by László Molnár, Rozália Ádám and collaborators at this year's KASC15/TASC8 conference (basically the biggest annual #asteroseismology conference):

https://zenodo.org/records/13641744

#astronomy

(The imaged light curve is my own but in essence the same as one in the poster.)

This #TESStuesday, I offer the eclipsing binary TY Pyx. Nothing at all made me think "I don't think I've ever looked at variables in Pyxis", so I grabbed something at random from the GCVS. So here it is, with very spotty out-of-eclipse variations also make it an RS CVn variable. Spectral type is G5IV+G5IV so I tried my hand at finding solar-like oscillations but I didn't find anything (though I didn't try *that* hard).

#asteroseismology

This #TESStuesday, I offer the eclipsing binary TY Pyx. Nothing at all made me think "I don't think I've ever looked at variables in Pyxis", so I grabbed something at random from the GCVS. So here it is, with very spotty out-of-eclipse variations also make it an RS CVn variable. Spectral type is G5IV+G5IV so I tried my hand at finding solar-like oscillations but I didn't find anything (though I didn't try *that* hard).

#asteroseismology

This #TESStuesday, I offer the eclipsing binary TY Pyx. Nothing at all made me think "I don't think I've ever looked at variables in Pyxis", so I grabbed something at random from the GCVS. So here it is, with very spotty out-of-eclipse variations also make it an RS CVn variable. Spectral type is G5IV+G5IV so I tried my hand at finding solar-like oscillations but I didn't find anything (though I didn't try *that* hard).

#asteroseismology

This #TESStuesday, I offer the eclipsing binary TY Pyx. Nothing at all made me think "I don't think I've ever looked at variables in Pyxis", so I grabbed something at random from the GCVS. So here it is, with very spotty out-of-eclipse variations also make it an RS CVn variable. Spectral type is G5IV+G5IV so I tried my hand at finding solar-like oscillations but I didn't find anything (though I didn't try *that* hard).

#asteroseismology

I just learned that a recording of this year's Crafoord Prize Symposium in #Astronomy, which happened on Wednesday, is available online. This year's laureates are Douglas Gough, Jørgen Christensen-Dalsgaard (aka JCD) and Conny Aerts, for developing helio- and #asteroseismology.

https://www.youtube.com/watch?v=HMwMsHj0K1U

You can find the programme here:

https://www.kva.se/en/event/the-crafoord-prize-symposium-in-astronomy-2024-2/

Big thanks to the Royal Swedish Academy of Sciences for making this available so promptly!

I just learned that a recording of this year's Crafoord Prize Symposium in #Astronomy, which happened on Wednesday, is available online. This year's laureates are Douglas Gough, Jørgen Christensen-Dalsgaard (aka JCD) and Conny Aerts, for developing helio- and #asteroseismology.

https://www.youtube.com/watch?v=HMwMsHj0K1U

You can find the programme here:

https://www.kva.se/en/event/the-crafoord-prize-symposium-in-astronomy-2024-2/

Big thanks to the Royal Swedish Academy of Sciences for making this available so promptly!

I just learned that a recording of this year's Crafoord Prize Symposium in #Astronomy, which happened on Wednesday, is available online. This year's laureates are Douglas Gough, Jørgen Christensen-Dalsgaard (aka JCD) and Conny Aerts, for developing helio- and #asteroseismology.

https://www.youtube.com/watch?v=HMwMsHj0K1U

You can find the programme here:

https://www.kva.se/en/event/the-crafoord-prize-symposium-in-astronomy-2024-2/

Big thanks to the Royal Swedish Academy of Sciences for making this available so promptly!

I just learned that a recording of this year's Crafoord Prize Symposium in #Astronomy, which happened on Wednesday, is available online. This year's laureates are Douglas Gough, Jørgen Christensen-Dalsgaard (aka JCD) and Conny Aerts, for developing helio- and #asteroseismology.

https://www.youtube.com/watch?v=HMwMsHj0K1U

You can find the programme here:

https://www.kva.se/en/event/the-crafoord-prize-symposium-in-astronomy-2024-2/

Big thanks to the Royal Swedish Academy of Sciences for making this available so promptly!

For #TESStuesday, I recently came across Tobin et al.'s discovery of a substellar companion around the γ Dor variable HIP 39017 (= V769 Mon). The TESS light curve (some of Sector 7 shown) does *not* disappoint.

https://arxiv.org/abs/2403.04000

#asteroseismology