'Brown dwarf' presentation slideshows

Brown dwarfs and dark matters

Brown dwarfs and dark matters. L dwarfs, binaries and the mass function. Neill Reid, Univ. of Pennsylvania in association with 2MASS Core project: Davy Kirkpatrick, Jim Liebert, Conard Dahn, Dave Monet, Adam Burgasser. Outline. Finding ultracool dwarfs

728 views • 60 slides

From Brown Dwarfs to Giant Planets

535 views • 35 slides

Wide-field surveys, and opportunities in the near-infrared

410 views • 33 slides

A few acknowledgements.

A few acknowledgements. When I first started reading about the Kepler mission, the Kepler website proved invaluable. It has a wealth of information, as well as some really good, pre-made and field-tested, material for educators.

468 views • 32 slides

Life of a Star

Life of a Star

365 views • 28 slides

Ge/Ay133

395 views • 27 slides

Astronomy 340 Fall 2007

351 views • 25 slides

Stellar Evolution

Stellar Evolution. Chapter 12. Guidepost.

317 views • 24 slides

Stars science questions

Stars science questions. Origin of the Elements Mass Loss, Enrichment High Mass Stars Binary Stars . Origin of the Elements. Key questions What is the composition of the earliest generation of stars? What do abundance patterns tell us about nucleosynthesis?

364 views • 21 slides

Brown Dwarf Desert Project: Second Presentation

Brown Dwarf Desert Project: Second Presentation. Peter Jumper. Results. Ultimately inconclusive this semester Have been deadlocked for some time. The Problem. When we ran the code, we got NaN values Occurs even during the test of a simplified case, a rigid, rotating body

271 views • 17 slides

By Roz Wilhelm And Laura Okerblom

288 views • 16 slides

Life cycle of a star

Life cycle of a star. By C hloe O. Nebula.

337 views • 16 slides

Magnetic Activity

Magnetic Activity. Physical Astronomy Professor Lee Carkner Lecture 11. Questions. A brown dwarf has L = 4X10 22 W, M = 1X10 29 kg, and R = 7X10 7 m. How many years could it shine from gravitational energy? E ~ -(3/10)(GM 2 /R) E ~ -(3/10)(6.67X10 -11 )(1X10 29 ) 2 /(7X10 7 )

233 views • 16 slides

Life of a Star

Life of a Star. By Caitlin Shroyer and Angelleigh Gonzales. HOW ARE STARS FORMED?. The star goes through many stages and they are: Small-medium stars Nebula Protostar Main Sequence Massive Main Sequence(High Mass Star) Red Giant Super Red Giant (High Mass Star)

265 views • 15 slides

New ultra cold dwarf binaries

University of Hertfordshire. Joana Gomes. New ultra cold dwarf binaries . New discoveries and follow up observations. Outline New binaries T dwarf search and summer student Follow up observations White dwarf observations. L dwarfs.

256 views • 12 slides

Life Cycles of Stars

Life Cycles of Stars. The Hertzsprung-Russell Diagram. How Stars Form. Collapsing gas and dust cloud Protostar - mostly infrared. Main Sequence Stars. Brown Dwarf Red Dwarf Normal Star. All Objects Exist Because of a Balance Between Gravity and Some Other Force.

235 views • 11 slides

Shaping the Brown Dwarf Desert: Constraints from Turbulent Fragmentation

Shaping the Brown Dwarf Desert: Constraints from Turbulent Fragmentation. Dr. Robert T. Fisher, Peter Jumper, and Deivid Ribeiro. What is the Brown Dwarf Desert?. The notable absence of brown dwarfs within five times the Earth-Sun distance from their central star.

205 views • 10 slides

Star Life Cycles (35)

Star Life Cycles (35). Pre-birth Stars. Stars are born in nebula . Expanses of dust and gas (hydrogen atoms). Protostars begin to form when gravity pulls the matter together. Pre-birth Stars (cont.). Not all protostars become stars.

236 views • 10 slides

Gliese 229b

Gliese 229b. Sara Reid. My apperence . I am a brown dwarf I glow a charcoal ember color . Where am I?. I am located in constellation Lepus and my best friend is Gliese 229A I obit around Gliese 229A I am about 19 light years away from earth. Facts about me.

233 views • 9 slides

Chandra Science Highlight

Chandra Science Highlight. TWA 5B: An X-ray Emitting Brown Dwarf Star. Chandra X-ray Observatory ACIS Image. Separation of two sources shows that the intensity of X-rays from TWA 5B is much too large to be explained by reflection of X-rays from TWA 5A.

190 views • 1 slides