stellar vibrations the sizes of stars
play

Stellar Vibrations The Sizes of Stars TIME Sun KIC 11026764: 2.05 - PowerPoint PPT Presentation

Dec 28, 2022 •704 likes •853 views

Stellar Vibrations The Sizes of Stars TIME Sun KIC 11026764: 2.05 R sun Travis Metcalfe, National Center for Atmospheric Research The Ages of Stars Hydrogen shell burning Hydrogen core burning Sun: 4.57 billion years KIC 11026764: 5.94

  3. Stellar Vibrations

  5. The Sizes of Stars TIME → Sun KIC 11026764: 2.05 R sun Travis Metcalfe, National Center for Atmospheric Research

  6. The Ages of Stars Hydrogen shell burning Hydrogen core burning Sun: 4.57 billion years KIC 11026764: 5.94 billion years Travis Metcalfe, National Center for Atmospheric Research

  7. Largest Kepler red giant Smallest Kepler red giant The Sun 5800 K 5000 K 4500 K Daniel Huber, University of Sydney

  8. A Kepler “concert” of Red Giant Stars Size (not to scale) Daniel Huber, University of Sydney

  9. Daniel Huber, University of Sydney

  10. Daniel Huber, University of Sydney

  11. RR Lyrae stars Cosmic lighthouses

  12. Repeating cycles Blazhko modulation Period Doubling

Download Presentation
Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend

Chapter 17 Measuring the Stars Units of Chapter 17 17.1 The Solar Neighborhood XXNaming the

Chapter 17 Measuring the Stars Units of Chapter 17 17.1 The Solar Neighborhood XXNaming the

Chapter 17 Measuring the Stars Units of Chapter 17 17.1 The Solar Neighborhood XXNaming the Stars 17.2 Luminosity and Apparent Brightness 17.3 Stellar Temperatures XXMore on the Magnitude Scale 17.4 Stellar Sizes Estimating Stellar Radii

580 views • 40 slides
Stars Stars Stars form from massive clouds of dust and gas in stellar nurseries. Stars Gravity

Stars Stars Stars form from massive clouds of dust and gas in stellar nurseries. Stars Gravity

The Life Cycle of Stars Stars Stars form from massive clouds of dust and gas in stellar nurseries. Stars Gravity pulls the dust and gas together creating heat in the process. Protostar A protostar is the first stage in a star's life. They are

454 views • 18 slides
Stellar Nursery Stars gravitationally collapse from clouds of H and He Stars form from

Stellar Nursery Stars gravitationally collapse from clouds of H and He Stars form from

Stellar Nursery Stars gravitationally collapse from clouds of H and He Stars form from colder gas that allows particles to interact Size - 411,500,000,000,000 (411.5 trillion) miles/70 Light years

544 views • 22 slides
Surveying the Stars Chapter 15 15.1 Properties of Stars Our goals for learning How do

Surveying the Stars Chapter 15 15.1 Properties of Stars Our goals for learning How do

Surveying the Stars Chapter 15 15.1 Properties of Stars Our goals for learning How do we measure stellar luminosities? How do we measure stellar temperatures? How do we measure stellar masses? How do we measure stellar

1.06k views • 78 slides
Chapter 15 15.1 Properties of Stars Surveying the Stars Our goals for learning How do

Chapter 15 15.1 Properties of Stars Surveying the Stars Our goals for learning How do

Chapter 15 15.1 Properties of Stars Surveying the Stars Our goals for learning How do we measure stellar luminosities? How do we measure stellar temperatures? How do we measure stellar masses? How do we measure stellar

494 views • 13 slides
Stellar Evolution: Low Mass Stars Mass 2-3 M sun But what about High Mass Stars and all of

Stellar Evolution: Low Mass Stars Mass 2-3 M sun But what about High Mass Stars and all of

Stellar Evolution: Low Mass Stars Mass 2-3 M sun But what about High Mass Stars and all of those other elements??? GRAVITY When core T=10 8 K, He fuses into C (& O) What happens when the Helium runs out?? PRESSURE Answer

726 views • 38 slides
Tracing the stellar halo with BHB stars Guillaume THOMAS @Thomas_gft Stellar Halos Across the

Tracing the stellar halo with BHB stars Guillaume THOMAS @Thomas_gft Stellar Halos Across the

Tracing the stellar halo with BHB stars Guillaume THOMAS @Thomas_gft Stellar Halos Across the Cosmos 3 rd July 2018 Mon. Not. R. Astron. Soc. 000 , 1 ?? (2018) Printed 30 May 2018 (MN L A T EX style file v2.2) Blue horizontal branch

530 views • 34 slides
Lithium processing in stars Lithium processing in stars Diagnosis for stellar structure and

Lithium processing in stars Lithium processing in stars Diagnosis for stellar structure and

Lithium processing in stars Lithium processing in stars Diagnosis for stellar structure and evolution Diagnosis for stellar structure and evolution Corinne Charbonnel Corinne Charbonnel Geneva Observatory (Switzerland) & CNRS (France)

1.54k views • 48 slides
Chapter 16 Star Birth 16.1 Stellar Nurseries Our goals for learning Where do stars

Chapter 16 Star Birth 16.1 Stellar Nurseries Our goals for learning Where do stars

Chapter 16 Star Birth 16.1 Stellar Nurseries Our goals for learning Where do stars form? Why do stars form? Where do stars form? Star-Forming Clouds Stars form in dark clouds of dusty gas in interstellar space The gas

813 views • 67 slides
Chapter 16 16.1 Stellar Nurseries Star Birth Our goals for learning Where do stars

Chapter 16 16.1 Stellar Nurseries Star Birth Our goals for learning Where do stars

Chapter 16 16.1 Stellar Nurseries Star Birth Our goals for learning Where do stars form? Why do stars form? Star-Forming Clouds Where do stars form? Stars form in dark clouds of dusty gas in interstellar space The gas

577 views • 12 slides
Interesting problems in stellar astronomy Stars for All in Lund Bengt Gustafsson February 6-7,

Interesting problems in stellar astronomy Stars for All in Lund Bengt Gustafsson February 6-7,

Interesting problems in stellar astronomy Stars for All in Lund Bengt Gustafsson February 6-7, 2012 Dept of Physics and Astronomy Uppsala University The virtues of stars Simplicity Calculability Separability Observability

424 views • 29 slides
PULSAR TIMING ARRAYS SKY FULL OF STARS STARS SKY FULL OF STARS STARS Gravity versus

PULSAR TIMING ARRAYS SKY FULL OF STARS STARS SKY FULL OF STARS STARS Gravity versus

STEFAN OS OWSKI PULSAR TIMING ARRAYS SKY FULL OF STARS STARS SKY FULL OF STARS STARS Gravity versus pressure STELLAR REMNANTS A S A N : t d i e C r DEGENERATE PRESSURE Bosons Fermions 810 nK 510 nK 240 nK Credit:

935 views • 62 slides
The Stellar Graveyard General Astronomy: Stars & Galaxies : ID IDTERM # #2 EXT

The Stellar Graveyard General Astronomy: Stars & Galaxies : ID IDTERM # #2 EXT

ASTR 1120 The Stellar Graveyard General Astronomy: Stars & Galaxies : ID IDTERM # #2 EXT ursday 10/15: EXT Tuesday 10/20: earching for dist stant world GO DIRECTLY TO THE PLANETARIUM When the mass is too

1.23k views • 10 slides
Evolution of gas and dust in AGB stars Kay Justtanont Chalmers University of Technology Stellar

Evolution of gas and dust in AGB stars Kay Justtanont Chalmers University of Technology Stellar

Evolution of gas and dust in AGB stars Kay Justtanont Chalmers University of Technology Stellar evolution For low- and intermediate-mass stars, they enter the red giant and subsequently, asymptotic giant branch (AGB) phases. During the

713 views • 39 slides
Chapter 20 Stellar Evolution Part 2. Secs. 20.4, 20.5 20.4 Evolution of Stars More Massive than

Chapter 20 Stellar Evolution Part 2. Secs. 20.4, 20.5 20.4 Evolution of Stars More Massive than

Chapter 20 Stellar Evolution Part 2. Secs. 20.4, 20.5 20.4 Evolution of Stars More Massive than the Sun It can be seen from this H-R diagram that stars more massive than the Sun follow very different paths when leaving the Main Sequence,

741 views • 15 slides
Rota1on!and!convec1on!in!cool!MS!stars! ! On!the!MS:! ! Fully!convec1ve!stars!below!M "

Rota1on!and!convec1on!in!cool!MS!stars! ! On!the!MS:! ! Fully!convec1ve!stars!below!M "

! What!do!numerical!simula1ons!tell!us! about!solar/stellar!dynamos?! ! ! Laurne!Jouve! IRAP>Toulouse>France! ! Cool$Stars$2016.Uppsala$ Rota1on!and!convec1on!in!cool!MS!stars! ! On!the!MS:! ! Fully!convec1ve!stars!below!M "

360 views • 16 slides
Data, analytics and learning: Interdisciplinary approaches to the generation of actionable

Data, analytics and learning: Interdisciplinary approaches to the generation of actionable

Data, analytics and learning: Interdisciplinary approaches to the generation of actionable knowledge Dr Kate Thompson kate.thompson@griffith.edu.au Interdisciplinary research Interdisciplinary research Social Scientist Natural Scientist

490 views • 23 slides
Seok-Hee Hong (University of Sydney) Research Interests - Graph Drawing - Algorithm/Theory -

Seok-Hee Hong (University of Sydney) Research Interests - Graph Drawing - Algorithm/Theory -

Seok-Hee Hong (University of Sydney) Research Interests - Graph Drawing - Algorithm/Theory - Information Visualisation - Visual Analytics Research Projects - Graph Drawing algorithm - New Criteria for Graph Drawing - Evaluation of

202 views • 4 slides
@SydneyPolicyLab The University of Sydney Page 1 Why does the world need a policy lab? We live

@SydneyPolicyLab The University of Sydney Page 1 Why does the world need a policy lab? We live

@SydneyPolicyLab The University of Sydney Page 1 Why does the world need a policy lab? We live in deeply turbulent times, where huge social, political and economic challenges confront us all. At the same time, people have lost faith in

442 views • 19 slides
SUSY Implications from WIMP Annihilation into scalars at the Galactic Center Anibal D. Medina

SUSY Implications from WIMP Annihilation into scalars at the Galactic Center Anibal D. Medina

SUSY Implications from WIMP Annihilation into scalars at the Galactic Center Anibal D. Medina The University of Melbourne 11th Feb 2015, HPNP2015 Toyama In collaboration with T.Gherghetta, B.v.Harling, M.A.Schmidt and T.Trott [1502.xxxx] JHEP

383 views • 19 slides
50 Fake Planes Donald Cartwright, University of Sydney Tim Steger, Universit` a degli Studi di

50 Fake Planes Donald Cartwright, University of Sydney Tim Steger, Universit` a degli Studi di

50 Fake Planes Donald Cartwright, University of Sydney Tim Steger, Universit` a degli Studi di Sassari completing a project started by Gopal Prasad, University of Michigan Sai-Kee Yeung, Purdue University 25 February1 March, 2019, Luminy

592 views • 25 slides
Alex Suciu Northeastern University visiting the University of Sydney Geometry Topology and

Alex Suciu Northeastern University visiting the University of Sydney Geometry Topology and

T HE RATIONAL HOMOLOGY OF SMOOTH REAL TORIC VARIETIES Alex Suciu Northeastern University visiting the University of Sydney Geometry Topology and Analysis Seminar The University of Sydney November 26, 2012 A LEX S UCIU (N ORTHEASTERN ) R EAL

791 views • 31 slides
A Practical Introduction to the Lout Document Formatting System Jeffrey H. Kingston Basser

A Practical Introduction to the Lout Document Formatting System Jeffrey H. Kingston Basser

lout 1 A Practical Introduction to the Lout Document Formatting System Jeffrey H. Kingston Basser Dept. of Computer Science The University of Sydney lout 2 A simple input file @SysInclude { doc } @Doc @Text @Begin Hello, world @End

698 views • 42 slides
SADedupe: Skew Area Inline Deduplication for Distributed Storage Binqi Zhang , Bing Bing Zhou,

SADedupe: Skew Area Inline Deduplication for Distributed Storage Binqi Zhang , Bing Bing Zhou,

SADedupe: Skew Area Inline Deduplication for Distributed Storage Binqi Zhang , Bing Bing Zhou, Chen Wang * , Dong Yuan, Albert Y. Zomaya The University of Sydney, Sydney, Australia * CSIRO, Sydney, Australia 1 Introduction Deduplication

107 views • 7 slides

More recommend