Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
The Invisible Universe, Revealed: From Glowing ...
Search
Anna Ho
December 14, 2016
0
100
The Invisible Universe, Revealed: From Glowing Dust to Spinning Stellar Corpses
Anna Ho
December 14, 2016
Tweet
Share
More Decks by Anna Ho
See All by Anna Ho
SN2018gep: The Death Throes of a Stripped Massive Star
annayqho
0
170
Diverse phenomena arise from a single engine: a history lesson from AGN unification
annayqho
0
350
AT2018cow: the poster-child explosion for high-frequency time-domain astronomy
annayqho
0
230
Cosmic Detectives: Investigating the Catastrophic Deaths of Stars
annayqho
0
94
The rotation rates of massive stars: the role of binary interaction
annayqho
0
68
Towards a complete redshift catalog for galaxies in the Local Universe
annayqho
0
88
Rotation Measures for Globular Cluster Pulsars at a Unique Probe of the Galactic Magnetic Field
annayqho
0
82
Dirty Fireballs and Orphan Afterglows: A Broader Landscape of Stellar Death
annayqho
1
290
Towards a framework for space traffic control
annayqho
0
110
Featured
See All Featured
Building a Modern Day E-commerce SEO Strategy
aleyda
45
9k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
254
22k
Ecommerce SEO: The Keys for Success Now & Beyond - #SERPConf2024
aleyda
1
1.9k
Designing for humans not robots
tammielis
254
26k
Designing for Timeless Needs
cassininazir
0
170
Groundhog Day: Seeking Process in Gaming for Health
codingconduct
0
130
Designing Powerful Visuals for Engaging Learning
tmiket
0
290
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
10
1.1k
AI Search: Where Are We & What Can We Do About It?
aleyda
0
7.2k
Money Talks: Using Revenue to Get Sh*t Done
nikkihalliwell
0
190
Being A Developer After 40
akosma
91
590k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
659
61k
Transcript
The Invisible Universe, Revealed: From Glowing Dust to Spinning Stellar
Corpses Anna Ho (Caltech)
[email protected]
Visible Light
Visible Light
Visible Light
None
infrared
ultraviolet infrared
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet infrared microwave radio
gamma ray x-ray ultraviolet microwave infrared radio
gamma ray x-ray ultraviolet microwave radio infrared
radio infrared
infrared
infrared
infrared
Image Credit: Spitzer Space Telescope, NASA/JPL-Caltech The Orion Nebula infrared
M31: The Andromeda Galaxy (visible light) infrared
M31: The Andromeda Galaxy (visible light) M31: The Andromeda Galaxy
(infrared light) infrared Image Credit: Spitzer Space Telescope, NASA/JPL-Caltech/K. Gordon (University of Arizona)
infrared
radio
Bell Labs & Karl Jansky, 1928 radio
Bell Labs & Karl Jansky, 1928 radio
Bell Labs & Karl Jansky, 1928 radio
Bell Labs & Karl Jansky, 1928 radio
Bell Labs & Karl Jansky, 1928 Grote Reber, 1932 radio
Bell Labs & Karl Jansky, 1928 Grote Reber, 1932 radio
Bell Labs & Karl Jansky, 1928 Grote Reber, 1932 radio
radio
Image Credit: National Radio Astronomy Observatory / AUI
Image Credit: National Radio Astronomy Observatory / AUI
Image Credit: National Radio Astronomy Observatory / AUI
Image Credit: National Radio Astronomy Observatory / AUI
radio Image Credit: VLA / NOAO-CTIO Centaurus A, an elliptical
galaxy
radio Image Credit: VLA / NOAO-CTIO Centaurus A, an elliptical
galaxy
radio The M81 galaxy group Image Credit: Min Yun, NRAO
radio The M81 galaxy group Image Credit: Min Yun, NRAO
Jocelyn Bell, Cambridge 1967 radio
Jocelyn Bell, Cambridge 1967 radio
Jocelyn Bell, Cambridge 1967 radio
Jocelyn Bell, Cambridge 1967 radio
Jocelyn Bell, Cambridge 1967 radio
The Crab Pulsar ~6,523 light years away Spins ~30 times
per second radio
The Crab Pulsar ~6,523 light years away Spins ~30 times
per second radio
The Crab Pulsar ~6,523 light years away Spins ~30 times
per second radio
PSR B1937+21 radio
PSR B1937+21 radio
PSR B1937+21 ~10,000 light years away Spins ~642 times per
second radio
PSR B1937+21 ~10,000 light years away Spins ~642 times per
second radio
PSR B1937+21 ~10,000 light years away Spins ~642 times per
second radio The first millisecond pulsar
Techniques
How do you find a pulsar? radio
How do you find a pulsar? 1. Big eyes radio
How do you find a pulsar? 1. Big eyes radio
How do you find a pulsar? The Green Bank Telescope,
West Virginia 100 m (330 ft) across 1. Big eyes radio
How do you find a pulsar? 1. Big eyes radio
How do you find a pulsar? The Arecibo telescope, Puerto
Rico 300 m (980 ft) across 1. Big eyes radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
How do you find a pulsar? 1. Big eyes 2.
Powerful computers radio
None
None
Terzan 5aj > 28,000 light years away Spins ~170 times
per second radio
Another trick of the radio astronomy trade: radio Interferometry
Another trick of the radio astronomy trade: radio Interferometry The
Very Large Array (VLA), New Mexico
radio Another trick of the radio astronomy trade: Interferometry The
Very Long Baseline Array (VLBA)
OPTICAL The Milky Way
OPTICAL RADIO INFRARED X-RAY GAMMA RAY The Milky Way