'Companion star' presentation slideshows

1.06k views • 90 slides

07.04.27@Ewha

07.04.27@Ewha. Gamma-ray Bursts and Black Holes. Chang-Hwan Lee @. Contents. Motivations. SHB. Short-hard Gamma-ray burst. L-GRB. Long-duration Gamma-ray bursts. Hypernova. Spin of Stellar Mass Black Holes. before BH. before BH formation. at birth. at the time of BH formation.

886 views • 78 slides

Galactic Variable Sky with EGRET and GLAST S. W. Digel Stanford Linear Accelerator Center

Gamma-ray Large Area Space Telescope. Galactic Variable Sky with EGRET and GLAST S. W. Digel Stanford Linear Accelerator Center. [Presentation given 21 June at the Elba Workshop]. Outline. What do we know from EGRET? What source classes are plausible? Characteristics of these sources

431 views • 33 slides

Astronomy Division C

Science Olympiad. Astronomy Division C. Guidelines. Description: Students will demonstrate an understanding of the basic concepts of mathematics and physics relating to stellar evolution and Type II Supernova. A team of up to: 2 Approximate Time: 50 minutes. Guidelines.

336 views • 24 slides

Astronomy Division C

Science Olympiad. Astronomy Division C. Guidelines. Description: Students will demonstrate an understanding of the basic concepts of mathematics and physics relating to stellar evolution and Type II Supernova. A team of up to: 2 Approximate Time: 50 minutes. Guidelines.

351 views • 24 slides

Deriving direct mass measurements of black holes in ULXs

Deriving direct mass measurements of black holes in ULXs. Jeanette Gladstone, T. Roberts, C. Copperwheat, A. Goulding, C. Heinke, A Swinbank, T. Cartwright, A. Levan, M. Goad, M. Ward. And work by others. Importance of mass measurements. All aware of historical aspect.

361 views • 22 slides

368 views • 21 slides

Celestial Formation

299 views • 19 slides

The Evolution of Stars

The Evolution of Stars. Binary Star Evolution. About half the stars in the sky are binaries. These stars may begin life as separate entities, but often times this does not last. .

398 views • 13 slides

Heaviest Stellar Black Hole in Nearby Galaxy

258 views • 12 slides

12.4 Summary of Stellar Lives

124 views • 12 slides

ASTRONOMY

ASTRONOMY. Chapter 30 Pulsars and Neutron Stars. Formation of a Neutron Star. In the iron core of a high-mass star: Iron nuclei break into He nuclei, protons, and neutrons Energy is carried out and the pressure drops The core collapses.

207 views • 10 slides

Spica

309 views • 10 slides

Swift Mugshots of Supernovae

Stefan Immler / NASA GSFC. Swift Mugshots of Supernovae. Two supernovae stand out: 1) Supernova 2005ke : Thermonuclear explosion of a White Dwarf = Type Ia supernova First detection of a Type Ia SN in X-rays First detection of an ultraviolet excess

105 views • 10 slides

X-Ray Binaries as Gamma-Ray Sources

0. X-Ray Binaries as Gamma-Ray Sources. Binary systems of a compact object (neutron star or black hole) and a stellar companion. Matter is flowing over from the stellar companion onto the compact object. Angular momentum conservation => Formation of an accretion disk.

288 views • 9 slides

210 views • 6 slides

Dying Star Reveal More Evidence for New Kind of Black Hole

Dying Star Reveal More Evidence for New Kind of Black Hole. NASA, 01.05.06. The orbital Period of the Ultraluminous X-ray Source in M82. Philp Kaaret, Melanie G. Simet, Cornelia C .Lang; Jan. 27 ; BREVIA, Science.

181 views • 6 slides

Light Curves

Light Curves. These light curves were taken by the Swift Gamma-Ray Burst Explorer & Rossi X-Ray Timing Explorer Each graph plots the counts of x-rays with a particular energy per second over the duration of the event

286 views • 5 slides