Top Tweets for #DeltaScuti
W czwartek tuż po 19:00 #jazz w @RadioKrakow. Rozmowa o pulsacji gwiazd i komponowania na żywo, nowości, a wśród nich drugie spotkanie urodzinowym boxem @WadadaLeoSmith. #music #radio #bazar #vibes #stars #deltascuti #improvisation https://t.co/H82R04w3Q3
#deltascuti #stars #astronomy #space #science #math
Delta Scuti stars are between 1.5 and 2.5 times the Sun’s mass. They’re named after Delta Scuti, a star visible to the human eye in the southern constellation Scutum that was first identified as variable in 1900.
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Hear the beat of #HD31901, a #DeltaScuti star in the southern constellation Lepus.
The sound is the result of TESS #data.
Delta Scuti #stars have long been known for their apparently random pulsations, but #TESS data show that some, like HD 31901, have more orderly patterns.
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This animation shows 1 type of #DeltaScuti pulsation- a radial mode- driven by waves (blue arrows) traveling btwn the star’s core and surface.
Actually, a #star may pulsate in many different modes, creating complex patterns that enable scientists to learn about its interior.
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Watch pulsations of a #DeltaScuti star changing in brightness when internal sound waves at different frequencies cause some parts to expand and contract.
In 1 pattern, the whole star expands and contracts, while in a second, opposite hemispheres swell and shrink out of sync.
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The discovery will revolutionize scientists’ ability to study details like the ages, sizes and compositions of these #stars — all members of a class named for the prototype, the bright star #DeltaScuti.
#Space
#SpaceHour
@sacscience in Aarhus plays a central role in newly discovered details of the remarkable delta Scuti stars, determining regular patterns of #oscillation frequencies in this type of stars @timbedding https://t.co/A08Nsc5g8k
@NASA #Tess #DeltaScuti #Astrophysics @nresearchnews
Astrónomos revelan los primeros secretos de las misteriosas estrellas pulsantes https://t.co/lB96DCZCKK #science #space #astronomy #astrophysics #DeltaScuti #Star #HD31901 @unibirmingham @Sydney_Uni
Les étoiles pulsantes de type « #DeltaScuti » commencent à livrer leurs secrets https://t.co/XxYk7WVayu
Les étoiles pulsantes de type « #DeltaScuti » commencent à livrer leurs secrets https://t.co/kJbzAzzs0Q
TODAY'S STREAM: https://t.co/nFOswyMBql
Astronomers using the @NASA_TESS and #Kepler #exoplanet observatories along with ground-based telescopes have found that there are two different classes of #DeltaScuti stars that can be sorted. @NASAGoddard @UHawaiiNews @UCLan
Desde la #Tierra las estrellas parecen puntos inmutables y estáticos, pero están lejos de ser así. Algunas experimentan cambios muy drásticos en su brillo. Entre estas estrellas están las #cefeidasenanas o estrellas #DeltaScuti. https://t.co/mD28EZ50vb
.@NASA_TESS Aids Study of Perplexing Stellar Pulsations - “To use a musical analogy, many stars pulsate along simple chords, but #DeltaScuti stars are complex, with notes that seem to be jumbled. TESS has shown us that’s not true for all of them.” https://t.co/Od954dkf9L
Nel #video del giorno di MediaInaf Tv, il ritmo segreto delle stelle pulsanti #DeltaScuti, scoperto grazie a @NASA_TESS. Il loro cuore batte rapidissimo, per essere stelle: circa trenta volte al giorno https://t.co/OdFerkvloW
Tess prende il polso delle #DeltaScuti, giovani stelle che pulsano al ritmo di trenta oscillazioni al giorno https://t.co/NilL5Uqd0Q #astrosismologia @NASA_TESS @Sydney_Uni @timbedding
Vote for #WASP33b !
Planets around A-type stars are so hard to find! (@NASAExoArchive only lists 18 confirmed planets!) And it’s a #DeltaScuti star!
#ExoCup2019
We have a runner-up poll for Group E!
You have 1 hour to get your favorite of these two #Exoplanets through to the next round of #ExoCup2019 Get your voters together and rally the troops for #WASP33b or #K218b
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