PX269 Galaxies Part 3: Normal galaxies 3.1 Rotation curves.

Slides:



Advertisements
Similar presentations
The Universe of Galaxies. A Brief History Galileo.
Advertisements

Galaxies The Universe is filled with these star systems which themselves cluster together into larger systems.
Chapter 15, Galaxies Galaxies come in different size and shape. In the previous chapter, we talked about how galaxies provide an environment for the stars.
Chapter 21 Survey of Astronomy astro1010-lee.com m Chapter 21 Galaxies.
Galaxies Galaxies M81. The Milky Way Galaxy.
The Distance Scale Ladder A Nested Chain of Cumulative Uncertainty.
The Milky Way Galaxy part 2
PX269 Galaxies Part 5: Spatial distribution of galaxies PX269 Galaxies.
Agenda: galaxies The Milky Way Types of galaxies Finding distances to galaxies.
3.1 Cosmic Distance Ladder. From these methods: Determine distance (see p 615 including Fig 20.16)
PX269 Galaxies Part 4: Galactic nuclei 4.1 Active galaxies.
PX269 Galaxies Dr Peter Wheatley Office: PS009.
GALAXIES, GALAXIES, GALAXIES! A dime a dozen… just one of a 100,000,000,000! 1.Galaxy Classification Ellipticals Dwarf Ellipticals Spirals Barred Spirals.
Attempts to fit/understand models: Number counts of Galaxies – Hubble,Yoshii/Peterson Angular Size Distances - distant radio cores Kellerman.
Introduction Classical Cepheids are variable stars whose magnitudes oscillate with periods of 1 to 50 days. In the 1910s, Henrietta Swan Leavitt discovered.
Lecture 36: The Expanding Universe. Review the ‘zoo’ of observed galaxies and the Hubble Sequence the ‘zoo’ of observed galaxies and the Hubble Sequence.
The Milky Way Galaxy. The Milky Way We see a band of faint light running around the entire sky. Galileo discovered it was composed of many stars. With.
Measuring Distances. Introduction Trigonometric Parallax Spectroscopic Parallax Cepheid Variables Type Ia Supernovae Tully-Fisher Relationship Hubble’s.
M 51. M 51 Galaxy merger simulation.
© 2005 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors in teaching their.
Chapter 24 Normal and Active Galaxies. The light we receive tonight from the most distant galaxies was emitted long before Earth existed.
Galaxies Chapter 13:. Galaxies Contain a few thousand to tens of billions of stars, Large variety of shapes and sizes Star systems like our Milky Way.
An Astronomer at the Mount Wilson Observatory in California.
Chapter 24 Galaxies. 24.1Hubble’s Galaxy Classification 24.2The Distribution of Galaxies in Space 24.3Hubble’s Law 24.4Active Galactic Nuclei Relativistic.
Stars & Gas: Building Blocks of the Galaxy Stars as Black Body Radiators Hertzsprung-Russell diagram: Luminosity vs. Temperature Radiation over a `continuous'
This is the Local Group of galaxies, about 45 galaxies within about 1 Mpc of the Milky Way. Most are dwarf-elliptical or iregular. A distance of one million.
Main-Sequence Fitting 1.Find a star and measure its apparent brightness (F). 2.Take its spectrum, identify its spectral type. 3.Use its spectral type to.
PX269 Galaxies 7.5 CATs; ~18 lectures; follows from PX268 Stars Dr Peter Wheatley Office: PS009.
Galaxies Chapter 16. Topics Types of galaxies Dark Matter Distances to galaxies Speed of galaxies Expansion of the universe and Hubble’s law.
Galaxies Please press “1” to test your transmitter.
Galaxies The Universe is filled with these star systems which themselves cluster together into larger systems.
We Discover the Galaxies The nature of the nebulae the “island universe hypothesis” --- The “analogy (of the nebulae) with the system of stars in which.
Cosmology and extragalactic astronomy Mat Page Mullard Space Science Lab, UCL 2. Galaxies.
Physics 231: Section 6 Galaxies 1Phys 231, Topic 6: Galaxies.
Nubecula Major Adric Riedel IN GLORIOUS. Outline Basic Facts Discovery Morphology Its place in the Local Group – Relation to the Small Magellanic Clouds.
Outline - April 6, 2010 Hubble’s Tuning Fork Diagram (pg. 639)
The Nature of Galaxies Chapter 17. Other Galaxies External to Milky Way –established by Edwin Hubble –used Cepheid variables to measure distance M31 (Andromeda.
This page was copied from Nick Strobel's Astronomy Notes. Nick Strobel's Astronomy Notes.Nick Strobel's Astronomy NotesNick Strobel's Astronomy Notes Go.
Chapter 15 A Universe of Galaxies The Hubble Deep Field 10 day exposure –field located in the Big Dipper.
PX269 Galaxies Part 2: Our Galaxy, the Milky Way 2.1 Components and Structure PX269 Galaxies.
Announcements 4th test is finished! Please pick up graded work Homework 12 due Monday (requires internet use) Second project is due in two weeks Please.
Galaxies The Universe is filled with these star systems which themselves cluster together into larger systems. Earth & Space Science March 2015.
1 The Distance Ladder Topics Trigonometric Parallax; Spectroscopic Parallax; Cepheid variables; Standard Candles Type Ia Supernovae …and others Motivation.
Distant Galaxies Hubble Space Telescope Ultra Deep Field.
We Discover the Galaxies The nature of the nebulae the “island universe hypothesis” --- The “analogy (of the nebulae) with the system of stars in which.
Star Groups Chapter 27 (p ). Galaxies Def: large groups of stars (approx. 100 billion) bound by gravitational attraction Also contain gas and.
Universe Tenth Edition Chapter 23 Galaxies Roger Freedman Robert Geller William Kaufmann III.
PX269 Galaxies Part 5: Spatial distribution of galaxies.
“Globular” Clusters: M15: A globular cluster containing about 1 million (old) stars. distance = 10,000 pc radius  25 pc “turn-off age”  12 billion years.
Identify the stages numbered 1-8: nebula white dwarf black dwarf 2. main sequence supernova black hole neutron star planetary nebula.
Part 5: Spatial distribution of galaxies
Galaxies Star systems like our Milky Way
Lecture 32: Galaxies We see that scattered through space out to infinite distances, there exist similar systems of stars, and that all of creation, in.
ASTR 1020 – April 4 . Next Observatory opportunity April 6 at 8:30pm
Chandra Science Highlights
Part 2: The Milky Way 2.1 Components and Structure
PX269 Galaxies Dr Peter Wheatley
Modern cosmology 1: The Hubble Constant
GALAXIES, GALAXIES, GALAXIES!
Galaxies Chapter 23.
Milky Way and Galaxies.
Galaxies, Stars, and Planets Oh My!
M31: The Andromeda Galaxy
Clusters of Galaxies Chapter 25.
Clusters of Galaxies Chapter 25.
Galaxy Interactions Intro to Astrophysics James Carroll
Measure distance of celestial bodies
Part 3: Normal galaxies 3.1 Rotation curves
Part 3: Normal galaxies 3.1 Rotation curves
Presentation transcript:

PX269 Galaxies Part 3: Normal galaxies 3.1 Rotation curves

Hubble sequence

M 51 the Whirlpool Galaxy HII regions

William Herschel Telescope

William Herschel Telescope

PX269 Galaxies

Part 3: Normal galaxies 3.2 Distances

PX269 Galaxies Main sequence fitting

PX269 Galaxies Cepheid variables: period-luminosity relation

Large Magellanic Cloud (LMC)

LMCSMC

SN1987A in LMC

Ring around SN1987A with HST

SN1994d in NGC4526 Hubble Space Telescope

PX269 Galaxies Tully Fisher relations Rubin et al 1986

PX269 Galaxies

Tully-Fisher relation

PX269 Galaxies Hubble relation

PX269 Galaxies

Distance ladder

PX269 Galaxies Part 3: Normal galaxies 3.3 Elliptical galaxies

M87 an elliptical galaxy CFHT

PX269 Galaxies NGC 2768 an elliptical galaxy

PX269 Galaxies Leo I, dwarf elliptical galaxy SDSS

NGC 4267, normal elliptical galaxy SDSS

PX269 Galaxies Compactness of elliptical galaxies

PX269 Galaxies

M49 Optical X-rays Gas in elliptical galaxies