Search Results - "GIES, D. R"

A Stellar Rotation Census of B Stars: From ZAMS to TAMS by Huang, Wenjin, Gies, D. R, McSwain, M. V

“…Two recent observing campaigns provide us with moderate dispersion spectra of more than 230 cluster and 370 field B stars. Combining them and the spectra of…”
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Stellar Rotation in Young Clusters. I. Evolution of Projected Rotational Velocity Distributions by Huang, W, Gies, D. R

“…Open clusters offer us the means to study stellar properties in samples with well-defined ages and initial chemical composition. Here we present a survey of…”
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Stellar Rotation in Young Clusters. II. Evolution of Stellar Rotation and Surface Helium Abundance by Huang, W, Gies, D. R

“…We derive the effective temperatures and gravities of 461 OB stars in 19 young clusters by fitting the Hg profile in their spectra. We use synthetic model…”
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First Results from the CHARA Array. IV. The Interferometric Radii of Low-Mass Stars by Berger, D. H, Gies, D. R, McAlister, H. A, Brummelaar, T. A. ten, Henry, T. J, Sturmann, J, Sturmann, L, Turner, N. H, Ridgway, S. T, Aufdenberg, J. P, Mérand, A

“…We have measured the angular diameters of six M dwarfs with the CHARA Array, a long-baseline optical interferometer located at Mount Wilson Observatory…”
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Stellar Rotation in Field and Cluster B Stars by Huang, W, Gies, D. R

“…We present the results of a spectroscopic investigation of 108 nearby field B stars. We derive their key stellar parameters, [image], and [image], using the…”
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Spectroscopic Observations of the Mass Donor Star in SS 433 by Hillwig, T. C, Gies, D. R

“…The microquasar SS 433 is an interacting massive binary consisting of an evolved mass donor and a compact companion that ejects relativistic jets. The mass…”
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The Ultraviolet Spectrum and Physical Properties of the Mass Donor Star in HD 226868 = Cygnus X-1 by Caballero-Nieves, S. M, Gies, D. R, Bolton, C. T, Hadrava, P, Herrero, A, Hillwig, T. C, Howell, S. B, Huang, W, Kaper, L, Koubský, P, McSwain, M. V

“…We present an examination of high-resolution, ultraviolet (UV) spectroscopy from Hubble Space Telescope of the photospheric spectrum of the O-supergiant in the…”
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Ice Age Epochs and the Sun's Path through the Galaxy by Gies, D. R, Helsel, J. W

“…We present a calculation of the Sun's motion through the Milky Way over the last 500 million yr. The integration is based on estimates of the Sun's current…”
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Stellar Wind Variations during the X-Ray High and Low States of Cygnus X-1 by Gies, D. R, Bolton, C. T, Blake, R. M, Caballero-Nieves, S. M, Crenshaw, D. M, Hadrava, P, Herrero, A, Hillwig, T. C, Howell, S. B, Huang, W, Kaper, L, Koubský, P, McSwain, M. V

“…We present results from Hubble Space Telescope ultraviolet spectroscopy of the massive X-ray and black hole binary system, HD 226868 = Cyg X-1. The spectra…”
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A Spectroscopic Orbit for Regulus by Gies, D. R, Dieterich, S, Richardson, N. D, Riedel, A. R, Team, B. L, McAlister, H. A, Bagnuolo, Jr., W. G, Grundstrom, E. D, Štefl, S, Rivinius, Th, Baade, D

“…We present a radial velocity study of the rapidly rotating B star Regulus that indicates the star is a single-lined spectroscopic binary. The orbital period…”
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C5 Blockade with Conventional Immunosuppression Induces Long‐Term Graft Survival in Presensitized Recipients by Rother, R. P., Arp, J., Jiang, J., Ge, W., Faas, S. J., Liu, W., Gies, D. R., Jevnikar, A. M., Garcia, B., Wang, H.

“…We explored whether a functionally blocking anti‐C5 monoclonal antibody (mAb) combined with T‐ and B‐cell immunosuppression can successfully prevent…”
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CHARA Array K'-Band Measurements of the Angular Dimensions of Be Star Disks by Gies, D. R, Bagnuolo, Jr., W. G, Baines, E. K, ten Brummelaar, T. A, Farrington, C. D, Goldfinger, P. J, Grundstrom, E. D, Huang, W, McAlister, H. A, Mérand, A, Sturmann, J, Sturmann, L, Touhami, Y, Turner, N. H, Wingert, D. W, Berger, D. H, McSwain, M. V, Aufdenberg, J. P, Ridgway, S. T, Cochran, A. L, Lester, D. F, Sterling, N. C, Bjorkman, J. E, Bjorkman, K. S, Koubský, P

“…We present the first K'-band, long-baseline interferometric observations of the northern Be stars g Cas, h Per, Tau, and Dra. The measurements were made with…”
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Gravity Modes Reveal the Internal Rotation of a Post-mass-transfer Gamma Doradus/Delta Scuti Hybrid Pulsator in Kepler Eclipsing Binary KIC 9592855 by Guo, Z., Gies, D. R., Matson, R. A.

“…We report the discovery of a post-mass-transfer Gamma Doradus/Delta Scuti hybrid pulsator in the eclipsing binary KIC 9592855. This binary has a circular…”
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Identification of the Mass Donor Star's Spectrum in SS 433 by Hillwig, T. C, Gies, D. R, Huang, W, McSwain, M. V, Stark, M. A, van der Meer, A, Kaper, L

“…We present spectroscopy of the microquasar SS 433 obtained near primary eclipse and disk precessional phase q = 0.0, when the accretion disk is expected to be…”
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First Results from the CHARA Array. I. An Interferometric and Spectroscopic Study of the Fast Rotator α Leonis (Regulus) by McAlister, H. A, ten Brummelaar, T. A, Gies, D. R, Huang, W, Bagnuolo, Jr., W. G, Shure, M. A, Sturmann, J, Sturmann, L, Turner, N. H, Taylor, S. F, Berger, D. H, Baines, E. K, Grundstrom, E, Ogden, C, Ridgway, S. T, van Belle, G

“…We report on K-band interferometric observations of the bright, rapidly rotating star Regulus (type B7 V) made with the CHARA Array on Mount Wilson,…”
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The N Enrichment and Supernova Ejection of the Runaway Microquasar LS 5039 by McSwain, M. V, Gies, D. R, Huang, W, Wiita, P. J, Wingert, D. W, Kaper, L

“…We present an investigation of new optical and ultraviolet spectra of the mass donor star in the massive X-ray binary LS 5039. The optical band spectral line…”
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The Evolutionary State of the Massive Interacting Binary BD+36°4063 by Williams, S. J, Gies, D. R, Matson, R. A, Huang, W

“…We present a spectroscopic and photometric analysis of the remarkable massive binary system, BD+36°4063. We argue that the visible ON star is undergoing a…”
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Dynamical Masses for the Large Magellanic Cloud Massive Binary System [L72] LH 54-425 by Williams, S. J, Gies, D. R, Henry, T. J, Orosz, J. A, McSwain, M. V, Hillwig, T. C, Penny, L. R, Sonneborn, G, Iping, R, van der Hucht, K. A, Kaper, L

“…We present results from an optical spectroscopic investigation of the massive binary system [L72] LH 54-425 in the LH 54 OB association in the Large Magellanic…”
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HD 69686: A Mysterious High Velocity B Star by Huang, Wenjin, Gies, D. R, McSwain, M. V

“…We report on the discovery of a high velocity B star, HD 69686. We estimate its space velocity, distance, surface temperature, gravity, and age. With these…”
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The Spectrum of the Mass Donor Star in SS 433 by Gies, D. R, Huang, W, McSwain, M. V

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