stars: binaries
Formation and Evolution of Neutron Star Binaries: Masses of Neutron Stars
... In astrophysical side, there are many recent developments on gamma-ray bursts (GRB) and gravi- tational wave radiation. There are two classes of GRBs, long-duration GRB (τ > 2 sec) and short-hard GRB (SHB, τ < 2 ...
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Constraining stellar physics from red-giant stars in binaries – stellar rotation, mixing processes and stellar activity
... heartbeat stars from eclipsing binaries is unpractical and unnecessarily narrowing down sample ...detecting binaries are not found in the light curves, but in the Fourier ...oscillating stars ...
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New binaries among UV-selected, hot subdwarf stars and population properties
... late-type stars. The reflec- tion effect is common in short-period binaries (P < ...reflection binaries, but it also includes longer period binaries with an indiscernible reflection ef- ...
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Imaging the cool stars in the interacting binaries AE Aqr, BV Cen and V426 Oph
... late-type stars increases with increasing rotation ...such stars can be used to reconstruct ‘Doppler images’ of the distribution of cool, dark starspots on their stellar ...Interacting binaries, ...
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Spin period change and the magnetic fields of neutron stars in Be X-ray binaries in the SMC
... X-ray binaries contain a compact star - a white dwarf, neutron star or black hole - and a mass donor ...X-ray binaries (LMXB) contain a companion comparable in mass to the Sun or less, whilst high mass ...
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K2 variable catalogue : variable stars and eclipsing binaries in K2 campaigns 1 and 0
... eclipsing binaries (Conroy et ...variable stars, with a number of studies en masse and individually of di ff erent kinds of variable ...variable stars within the K2 fields of view, such as that of ...
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The EBLM Project VI The mass and radius of five low mass stars in F+M binaries discovered by the WASP survey
... low-mass stars are hotter and larger than stellar evolutionary models predict (Zhou et ...mass stars is an interesting problem in its own ...close binaries, enhancing rotation and the dynamo ...
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K2 variable catalogue – II Machine learning classification of variable stars and eclipsing binaries in K2 fields 0–4
... variable stars in Kepler, we limit ourselves to a small number of relatively large-scale catalogues, in order to maintain homogeneity among classification methods and simplify the ...heartbeat binaries ...
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The secondary stars in cataclysmic variables and low-mass X-ray binaries
... secondary stars in cataclysmic variables (CVs) and low-mass X-ray binaries (LMXBs), using the new catalogue of Ritter & Kolb as a starting ...secondary stars (10 and 5, respectively, in the case ...
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Optical spectroscopy of (candidate) ultracompact X ray binaries : constraints on the composition of the donor stars
... For a detailed discussion of the formation of ultra-compact bi- naries in the field we refer to Nelson et al. (1986); Nelemans et al. (2001); Podsiadlowski et al. (2002) and references therein. In short there are three ...
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Neutron Stars and NuSTAR: A Systematic Survey of Neutron Star Masses in High Mass X ray Binaries & Characterization of CdZnTe Detectors for NuSTAR
... Depending on the spectral and luminosity class, OB star spectra have strong Balmer series lines, as well as lines from He, C, N, O etc. in the blue part of the optical spectrum (∼3500 ˚ A–5500 ˚ A). In contrast, there ...
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Eclipsing white dwarf binaries
... Recent years have seen an explosion in the number of eclipsing binaries containing white dwarfs. In the last few years the number of systems has increased from 7 to over 40, thanks mainly to large surveys such as ...
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Multiwavelength, Machine Learning, and Parallax Studies of X-ray Binaries in Three Local Group Galaxies
... sequence stars from pre-main sequence stars using a random forest algorithm applied to the Hubble Space Telescope (HST) photometry of 30 ...neutron stars, or non-pulsating neutron ...
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IBVS Volume 5001
... 1 { 4 5017 AGERER, FRANZ; DAHM, MICHAEL; HUBSCHER, JOACHIM: Photoele tri Minima of Sele ted E lipsing Binaries and Maxima of Pulsating Stars... 1 { 4 5020 VANDENBROERE, JACQUELINE; BELT[r] ...
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Testing substellar models with dynamical mass measurements
... low-mass stars and brown dwarfs as the orbital parameters of binaries ...ultracool binaries: Stamatellos & Whitworth predict high eccentricities ( e ...ultracool binaries formed via ...
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IBVS Volume 5201
... Remarks: The obtained timings of minima are used espe ially to improve the light elements of stars given in atalogue BRKA of observing programme of e lipsing binaries of BRNO-Variable St[r] ...
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Detached cataclysmic variables are crossing the orbital period gap
... The left-hand panel in Fig. 2 shows the observed orbital period distribution of close detached WD + MS binaries in our sample with secondary stars in the spectral-type range M4–M6 (top) and M2–M3 (bottom). ...
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INFORMATION BULLETIN ON VARIABLE STARS
... 110 Minima Timings of Eclipsing Binaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 4 6154 PENA, J. H.; RENTERIA, A.; VILLARREAL, C.; PI ˜ NA, D. S.; SONI, A. A.; TREJO, O.; GUILLEN, J.; ...
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Multimessenger Probes of High-energy Sources
... of binaries of black holes and neutron stars are abundant GW sources and will likely make up the majority of detections ...neutron stars [14], and plausibly magnetar flares ...
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Early disc accretion as the origin of abundance anomalies in globular clusters
... high-mass stars are in binary systems that will interact at some stage of their evolution (Sana et ...massive binaries have been shown to slowly eject a large portion of the primary star’s envelope that is ...
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