'Hot stars' presentation slideshows

SPACE THE FINAL FRONTIER

1.4k views • 114 slides

Using Semantic Web Technology to Integrate Scientific Data

Using Semantic Web Technology to Integrate Scientific Data. Alasdair J G Gray University of Manchester. Outline. Motivation: Astronomy & The Virtual Observatory Data Integration Challenges Locating the relevant data Requesting the required data Understanding the returned data.

674 views • 54 slides

The High-Energy Environment of Extrasolar Planets

The High-Energy Environment of Extrasolar Planets. J. Schmitt Hamburger Sternwarte. Email: jschmitt@hs.uni-hamburg.de Internet: http://www.hs.uni-hamburg.de. Outline:. Motivation: The Sun as an X-ray jjjj source X-ray properties of planet-bearing kk stars

497 views • 43 slides

New Candidates for Dust-Forming Hot Stars

New Candidates for Dust-Forming Hot Stars. Anatoly Miroshnichenko. Max-Planck-Institut fur Radioastronomie (Bonn, Germany) University of Toledo (Ohio, USA) Pulkovo Observatory (Saint-Petersburg, Russia). Collaborators. Main Subject. Dust-Forming Stars.

595 views • 37 slides

Bolometric Corrections and Colors

Bolometric Corrections and Colors. depends on .... stellar radius. system throughput. We do not observe Bolometric, we observe through filters:. depends on Teff, gravity and Z. Average of Observed Stellar Spectra: Dwarfs. TSp T(K) F c.g.s. B. V. I. U. Dwarfs SED & Filters.

595 views • 35 slides

A New Group of Dust-Forming Hot Stars

A New Group of Dust-Forming Hot Stars. Anatoly Miroshnichenko. Pulkovo Observatory (Saint-Petersburg, Russia) Max-Planck-Institut fur Radioastronomie (Bonn, Germany) University of Toledo (Ohio, USA). Collaborators. Main Subject. Dust-Forming Stars.

478 views • 33 slides

NLTE Model Atmospheres for Super-Soft X- ray Sources

NLTE Model Atmospheres for Super-Soft X- ray Sources. Thomas Rauch, Klaus Werner and the GAVO and AstroGrid-D Teams. Spectral Energy Distributions for Hot Stars. The nebular information indicates that the spectrum of the star deviates considerably from a blackbody . Author in 2008!.

497 views • 32 slides

A group of particles move at many different velocities

A group of particles move at many different velocities. The Quiz.

340 views • 28 slides

The GHOST in CU8

427 views • 24 slides

Introductory X-ray Group Meeting Spectroscopy and X-rays 23 January 2001 Members of the group:

354 views • 23 slides

VLT kinematics for Omega Centauri : Further support for a central BH

316 views • 22 slides

FOUR FORCES OF NATURE (S4)

FOUR FORCES OF NATURE (S4). In declining order of strength, on nuclear scales we have the fundamental things that hold everything together (or apart):

509 views • 21 slides

Stellar Evolution

M<0.08 .08<M<0.4 0.4<M<1.4 1.4<M<~4 M>~4 P R O T O S T A R | M a i n S e q u e n c e

275 views • 20 slides

The Life Cycle of Stars

The Life Cycle of Stars. Pgs. 105 - 109. Stars Age. Just like people, stars are born, grow old and can die. Stars can last much longer than people though. Stars can live for billions of years. As they age, they lose material. This can be gradual or a big explosion.

304 views • 15 slides

General Astronomy

General Astronomy. The Interstellar Medium. Credits: Much of this slideset is modified from lectures by Dr. Peter Newbury (UBC). Interstellar Dust. Detection: Temperature: Density: Content:. Dark nebula blocks light from background stars. 20 --- 500 K. 1000 particles per cubic Km.

289 views • 15 slides

X-rays from single O-stars

X-rays from single O-stars. Guedel M. & Naze Y. Astronomy Astrophysics Rev (2009) 17:309 Oct. 17, 2011. Outlines. discovery of X-rays from O-stars; properties model prediction results from high-resolution spectra new paradigm?. X-rays from hot stars: discovery.

225 views • 13 slides

Lyman Break Galaxies, Dropouts, and Photometric Z ----------------------------- Because galaxies are made of stars, we s

373 views • 11 slides

Lyman Break Galaxies, Dropouts, and Photometric Z ----------------------------- Because galaxies are made of stars, we s

254 views • 11 slides

X-ray Spectroscopy of Laboratory and Astrophysical Plasmas

230 views • 11 slides

Wednesday September 19, 2012

243 views • 9 slides