Search Results - "Joyce, Richard R"

On Its Way to the Neutron Star–White Dwarf Binary Graveyard, IGR J16194−2810, A First Ascent M Giant X-Ray Binary by Hinkle, Kenneth H., Fekel, Francis C., Straniero, Oscar, Maas, Zachary G., Joyce, Richard R., Lebzelter, Thomas, Muterspaugh, Matthew W., Sowell, James R.

“…Abstract A single-lined spectroscopic orbit for the M giant in the X-ray binary IGR J16194−2810 is determined from a time series of optical spectra. The…”
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Infrared Spectroscopy of Symbiotic Stars. IV. V2116 Ophiuchi/GX 1+4, The Neutron Star Symbiotic by Hinkle, Kenneth H, Fekel, Francis C, Joyce, Richard R, Wood, Peter R, Smith, Verne V, Lebzelter, Thomas

“…We have computed, using 17 infrared radial velocities, the first set of orbital elements for the M giant in the symbiotic binary V2116 Ophiuchi. The giant's…”
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Chemical abundance analysis of symbiotic giants. Metallicity and CNO abundance patterns in 14 northern S-type systems by Gałan, Cezary, Mikołajewska, Joanna, Hinkle, Kenneth H, Joyce, Richard R

“…ABSTRACT In previous works, we computed abundances for the red giant in nearly four dozen S-type symbiotic systems (SySt). The abundances provide information…”
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The M Supergiant High-mass X-Ray Binary 4U 1954+31 by Hinkle, Kenneth H., Lebzelter, Thomas, Fekel, Francis C., Straniero, Oscar, Joyce, Richard R., Prato, Lisa, Karnath, Nicole, Habel, Nolan

“…Abstract The X-ray binary 4U 1954+31 has been classified as a low-mass X-ray binary containing an M giant and a neutron star (NS). It has also been included in…”
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The Spatially Resolved Bipolar Nebula of Sakurai’s Object. II. Mapping the Planetary Nebula Expansion by Hinkle, Kenneth H., Joyce, Richard R., Matheson, Thomas, Lacy, John H., Richter, Matthew J.

“…Abstract Observations of the ejecta from the final flash (FF) of helium shell burning in Sakurai’s Object (V4334 Sgr) are presented for 2015–2019, a period…”
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THE SPATIALLY RESOLVED BIPOLAR NEBULA OF SAKURAI'S OBJECT by Hinkle, Kenneth H, Joyce, Richard R

“…Sakurai's object (V4334 Sgr), the final flash object discovered in the mid-1990s, underwent rapid cooling during the first decade of the 21st century becoming…”
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Infrared Spectroscopy of Symbiotic Stars. XII. The Neutron Star SyXB System 4U 1700+24 = V934 Herculis by Hinkle, Kenneth H., Fekel, Francis C., Joyce, Richard R., Miko ajewska, Joanna, Ga an, Cezary, Lebzelter, Thomas

“…The X-ray symbiotic (SyXB) V934 Her = 4U 1700+24 is an M giant-neutron star (NS) binary system. Employing optical and infrared radial velocities spanning 29 yr…”
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Chemical abundance analysis of symbiotic giants – III. Metallicity and CNO abundance patterns in 24 southern systems by Gałan, Cezary, Mikołajewska, Joanna, Hinkle, Kenneth H., Joyce, Richard R.

“…The elemental abundances of symbiotic giants are essential to address the role of chemical composition in the evolution of symbiotic binaries, to map their…”
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INFRARED SPECTROSCOPY OF SYMBIOTIC STARS. IX. D-TYPE SYMBIOTIC NOVAE by Hinkle, Kenneth H, FEKEL, FRANCIS C, Joyce, Richard R, Wood, Peter

“…Time-series spectra of the near-infrared 1.6 mu m region have been obtained for five of the six known D-type symbiotic novae. The spectra map the pulsation…”
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Chemical abundance analysis of 13 southern symbiotic giants from high-resolution spectra at ∼1.56 μm by Galan, Cezary, Mikolajewska, Joanna, Hinkle, Kenneth H, Joyce, Richard R

“…Symbiotic stars (SySt) are binaries composed of a star in the later stages of evolution and a stellar remnant. The enhanced mass-loss from the giant drives…”
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Infrared Spectroscopy of Symbiotic Stars. VII. Binary Orbit and Long Secondary Period Variability of CH Cygni by Hinkle, Kenneth H, Fekel, Francis C, Joyce, Richard R

“…High-dispersion spectroscopic observations are used to refine orbital elements for the symbiotic binary CH Cyg. The current radial velocities, added to a…”
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High-Resolution Infrared Spectroscopy of the Brown Dwarf Indi Ba by Smith, Verne V, Tsuji, Takashi, Hinkle, Kenneth H, Cunha, Katia, Blum, Robert D, Valenti, Jeff A, Ridgway, Stephen T, Joyce, Richard R, Bernath, Peter

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Design Overview and Performance of the WIYN High Resolution Infrared Camera (WHIRC) by Meixner, Margaret, Smee, Stephen, Doering, Ryan L, Barkhouser, Robert H, Miller, Todd, Orndorff, Joseph, Knezek, Patricia, Churchwell, Ed, Scharfstein, Gregg, Percival, Jeffrey W, Mills, David, Corson, Charles, Joyce, Richard R

“…We present the design overview and on-telescope performance of the WIYN High Resolution Infrared Camera (WHIRC). As a dedicated near-infrared (0.8-2.5 mu m)…”
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Design Overview and Performance of the WIYN1 High Resolution Infrared Camera (WHIRC) by MEIXNER, Margaret, SMEE, Stephen, MILLS, David, CORSON, Charles, JOYCE, Richard R, DOERING, Ryan L, BARKHOUSER, Robert H, MILLER, Todd, ORNDORFF, Joseph, KNEZEK, Patricia, CHURCHWELL, E. D, SCHARFSTEIN, Gregg, PERCIVAL, Jeffrey W

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Wavelength Calibration of Near‐Infrared Spectra by Hinkle, Kenneth H., Joyce, Richard R., Hedden, Abigail, Wallace, Lloyd, Engleman, Jr, Rolf

“…An atlas of a thorium‐argon hollow cathode lamp in selected intervals of the 1–2.5 μm region is presented. Accurate wavelengths of the ∼500 lines recorded are…”
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Chemical abundance analysis of 13 southern symbiotic giants from high-resolution spectra at ~1.56 [mu]m by Galan, Cezary, Mikolajewska, Joanna, Hinkle, Kenneth H, Joyce, Richard R

“…Symbiotic stars (SySt) are binaries composed of a star in the later stages of evolution and a stellar remnant. The enhanced mass-loss from the giant drives…”
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The number of publications used as a metric of the NOAO WIYN queue experiment by Massey, Philip, Guerrieri, Mary, R. Joyce, Richard

“…We use the number of papers published in 1998 and 1999 to test the hypothesis that the queue observing mode at WIYN leads to a significantly higher scientific…”
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Chemical abundance analysis of symbiotic giants. Metallicity and CNO abundance patterns in 14 northern S-type systems by Gałan, Cezary, Mikołajewska, Joanna, Hinkle, Kenneth H, Joyce, Richard R

“…In previous works, we computed abundances for the red giant in nearly four dozen S-type symbiotic systems (SySt). The abundances provide information about…”
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Design Overview and Performance of the WIYN1High Resolution Infrared Camera (WHIRC) by Meixner, Margaret, Smee, Stephen, Doering, Ryan L., Barkhouser, Robert H., Miller, Todd, Orndorff, Joseph, Knezek, Patricia, Churchwell, Ed, Scharfstein, Gregg, Percival, Jeffrey W., Mills, David, Corson, Charles, Joyce, Richard R.

“…We present the design overview and on-telescope performance of the WIYN High Resolution Infrared Camera (WHIRC). As a dedicated near-infrared (0.8–2.5 μm)…”
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Coronal lines in near infrared spectrum of Nova Cygni 1975 by GRASDALEN, GARY L, JOYCE, RICHARD R

“…Two phases in the spectral development of Nova Cygni 1975 are discussed: a period shortly after maximum when the 2-micron and 3-micron spectral regions were…”
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