Results 91 to 100 of about 43,328 (216)

Medium-resolution echelle spectroscopy of pulsating variables and exoplanet host stars with sub-meter telescopes [PDF]

, 2014
Here we present two of our interesting results obtained over the last 18 months from spectroscopic monitoring of binary pulsating stars and exoplanet host stars.
Cseh, B., Csák, B., Dózsa, Á., Jankovics, I., Kiss, L. L., Kovács, J., Szabados, L., Szabó, Gy. M.   +7 more
core   +1 more source

The Wolf-Rayet binaries of the nitrogen sequence in the Large Magellanic Cloud: spectroscopy, orbital analysis, formation, and evolution

, 2019
Massive Wolf-Rayet (WR) stars dominate the radiative and mechanical energy budget of galaxies and probe a critical phase in the evolution of massive stars prior to core-collapse.
Goetberg, Y., Hainich, R., Hamann, W. -R., Moffat, A. F. J., Oskinova, L. M., Ramachandran, V., Sablowski, D. P., Sana, H., Sander, A. A. C, Schnurr, O., Shenar, T., St-Louis, N., Todt, H, Vanbeveren, D.   +13 more
core   +1 more source

Dynamical Masses for the Hyades Binary System vB 120

The Astrophysical Journal
We report spectroscopic observations of vB 120 (HD 30712), a 5.7 yr astrometric–spectroscopic binary system in the Hyades cluster. We combine our radial velocities with others from the literature, and with existing speckle interferometry measurements, to
Guillermo Torres, Robert P. Stefanik, David W. Latham   +2 more
doaj   +1 more source

Physical parameters of 62 eclipsing binary stars using the ASAS-3 data$-$I

, 2010
We present a detailed light curve analysis of publicly available V band observations of 62 binary stars, mostly contact binaries, obtained by the All Sky Automated Survey (ASAS)-3 project between 2000 and 2009.
Deb, Sukanta, Singh, Harinder P.
core   +1 more source

Spectroscopic Binaries Among Low-Mass Pre-Main Sequence Stars [PDF]

, 1989
Robert D. Mathieu
openalex   +1 more source

Three New Galactic Center X-ray Sources Identified with Near-Infrared Spectroscopy

, 2013
We have conducted a near-infrared spectroscopic survey of 47 candidate counterparts to X-ray sources discovered by the Chandra X-ray Observatory near the Galactic Center (GC).
Bandyopadhyay, Reba M., Bauer, Franz E., Blum, Robert, DeWitt, Curtis, Eikenberry, Stephen S., Olsen, Knut, Sarajedini, Ata, Sellgren, Kris   +7 more
core   +1 more source

X-Ray Observations of the Enigmatic Wolf–Rayet System θ Mus: Two’s Company but Three’s a Crowd

The Astrophysical Journal
θ Mus is a remarkable spectroscopic binary (SB) consisting of a carbon-type Wolf–Rayet star and OV companion (WC6+O6–7V) in a ≈19 days orbit. In addition an O-supergiant is visually detected at a small offset of 46 mas and if gravitationally bound to the
Stephen L. Skinner, Svetozar A. Zhekov, Manuel Güdel, Werner Schmutz   +3 more
doaj   +1 more source

A Sample of Compact Object Candidates in Single-lined Spectroscopic Binaries from LAMOST Medium-resolution Survey

The Astrophysical Journal
The stellar spectra from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) medium-resolution survey can be used to search for compact objects in binaries.
Hao-Bin Liu, Wei-Min Gu, Zhi-Xiang Zhang, Tuan Yi, Jin-Zhong Liu, Mouyuan Sun   +5 more
doaj   +1 more source

New CORAVEL spectroscopic-binary orbits of giant barium stars. II [PDF]

, 1998
S. Udry, M. Mayor, S. Van Eck, A. Jorissen, L. Prévôt, S. Grenier, H. Lindgren   +6 more
openalex   +1 more source

Double-lined Spectroscopic Binaries from the LAMOST Low-resolution Survey

The Astrophysical Journal Supplement Series
We report on a data-driven spectral model that we have developed for the identification of double-lined spectroscopic binary stars (SB2s) in the Large Sky Area Multi-Object fiber Spectroscopic Telescope low-resolution survey ( R ∼ 1800).
Junhui Liu, Bo Zhang, Jianfeng Wu, Yuan-Sen Ting   +3 more
doaj   +1 more source