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Stellar Companions to Stars with Planets
- J. Patience, R. White, Keck
- Physics, Geology
- 25 July 2002
A combination of high-resolution and wide-field imaging reveals two binary stars and one triple star system among the sample of the first 11 stars with planets detected by radial velocity variations.…
Low- and intermediate-mass close binary evolution and the initial-final mass relation
- Zhanwen Han, C. Tout, P. P. E. T. Y. Observatory, I. Cambridge, Igpp, Llnl
- Physics, Geology
- 13 October 2000
Using Eggleton's stellar evolution code, we carry out 150 runs of Population I binary evolution calculations with the initial primary mass between 1 and 8 M-circle dot, the initial mass ratio q =…
Chandra X-Ray Spectroscopy of the Focused Wind in the Cygnus X-1 System. II. The Nondip Spectrum in the Low/Hard State - Modulations with Orbital Phase
- Ivica Mivskovivcov'a, N. Hell, Cfa
- Physics
- 1 April 2016
The accretion onto the black hole in the system HDE 226868/Cygnus X-1 is powered by the strong line driven stellar wind of the O-type donor star. We study the X-ray properties of the stellar wind in…
QSO Environments at Intermediate Redshifts
- M. Wold, M. Lacy, U. Canterbury
- Physics
- 2 February 2001
We have made a survey of quasar environments at 0.5 ≤ z ≤ 0.8, using a sample of both radio-loud and radio-quiet quasars matched in B-band luminosity. Our observations include images of background…
Probing transport theories via two proton source imaging
- G. Verde, P. Danielewicz, Ca
- Physics
- 23 January 2003
The imaging technique is applied to two-proton correlation functions to extract quantitative information about the space-time properties of the emitting source and about the fraction of protons which…
Two-colour photometric selection of high-redshift galaxies
- Robin G. Stevens, Mark Lacy Astrophysics, Oxford Igpp, Llnl, U. Davis
- Physics
- 24 March 2001
In this paper we describe a set of models to predict the colours of galaxies over a wide range of redshifts. We present examples of output from the simulations, and discuss their application to the…
Proposed Next Generation GRB Mission: EXIST
- J. Grindlay, N. Gehrels, Llnl
- Physics
- 20 May 2002
A next generation Gamma Ray Burst (GRB) mission to follow the upcoming Swift mission is described. The proposed Energetic X‐ray Imaging Survey Telescope, EXIST, would yield the limiting (practical)…
d–α correlation functions and collective motion in Xe+Au collisions at E/A=50 MeV
- G. Verde, P. Danielewicz, Wu
- Physics
- 1 August 2007
Structure and Dynamics of Stellar Winds in High-mass X-ray Binaries
A review of spectroscopic results obtained from Chandra High Energy Transmission Grating Spectrometer and XMM-Newton Reflection Grating Spectrometer observations of several wind-fed high-mass X-ray…
Radio-quiet quasar environments at 0.5
We have quantified the galaxy environments around a sample of 0.5<z<0.8 radio-quiet quasars using the amplitude of the spatial galaxy--quasar correlation function, B_gq. The quasars exist in a wide…
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