143 datasets found

Keywords: orbits

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  • TU UMa light curves and maxima, CL Aur minima

    Recent statistical studies prove that the percentage of RR Lyrae pulsators that are located in binaries or multiple stellar systems is considerably lower than might be expected....
  • Resolved astrometry of ten O-type binaries

    Our long-term aim is to derive model-independent stellar masses and distances for long period massive binaries by combining apparent astrometric orbit with double-lined radial...
  • CARMENES SB2 orbital parameters

    The CARMENES spectrograph is surveying ~300 M dwarf stars in search for exoplanets. Among the target stars, spectroscopic binary systems have been discovered, which can be used...
  • Radial Velocity and BIS measurements of Polaris

    We investigate temporally changing variability amplitudes and the multi- periodicity of the type-I Cepheid Polaris using 162 high-precision radial velocity (RV) and bisector...
  • Fitted orbits and parameters of 51 Eridani b

    51 Eridani observations were performed with the VLT exoplanet imager SPHERE for 3 years in order to monitor the orbital motion of the known giant planet and refine its orbital...
  • Determining true mass of RV exoplanets with Gaia

    Mass is one of the most important parameters for determining the true nature of an astronomical object. Yet, many published exoplan- ets lack a measurement of their true mass,...
  • zet01 Ret and zet02 activity indexes

    We explore if the star zet02 Ret, which belongs to a binary system, is in (or going to) a state similar to the MM. To do so, we have collected more than 430 spectra acquired...
  • AT 2018bwo light curves

    Luminous red novae (LRNe) are astrophysical transients associated with the partial ejection of a binary system's common envelope (CE) shortly before its merger. Here we present...
  • TRAPPIST-1 best-fit parameters

    We analyze solutions drawn from the recently published posterior distribution of the TRAPPIST-1 system, which consists of seven Earth-size planets appearing to be in a resonant...
  • Gaia-TESS transit candidates

    The TESS team periodically issues a new list of transiting exoplanet candidates based on the analysis of the accumulating light curves obtained by the satellite. The list...
  • Orbital parallax of binary systems

    Multiple systems where the astrometric and spectroscopic orbit are known offer the unique possibility to determine the distance to these systems directly without any...
  • New triple system candidates using Gaia DR3

    We introduce a novel way to identify new compact hierarchical triple stars by exploiting the huge potential of Gaia DR3 and also its future data releases. We aim to increase the...
  • Compositions of binary asteroids

    Small binary asteroid systems and pairs are thought to form through fission induced by spin up via the Yarkovsky-O'Keefe-Radzievskii-Paddack (YORP) effect. This process is...
  • Gaia DR3 binary masses and luminosities

    The recent third data release (DR3) of Gaia has brought some new exciting data about stellar binaries. It provides new opportunities to fully characterize more stellar systems...
  • Catalogue of exoplanets within 20pc

    The next generation of space-based observatories will characterize the atmospheres of low-mass, temperate exoplanets with the direct-imaging technique. This will be a major step...
  • V1344 Aql orbit parameters and spectra

    Binary Cepheids play an important role in investigating the calibration of the classical Cepheid period-luminosity relationship. Therefore a thorough study of individual...
  • ESMORGA, Gaia astrometric binaries masses

    The recent Gaia Data Release 3 has revealed a catalogue of more than eight hundred thousand binary systems. The release provides orbital solutions for half of the systems, with...
  • Double eclipsing binaries from ZTF

    Double eclipsing binaries are gravitationally bound quadruple systems in a '2+2' configuration where both of the binaries are eclipsing. These systems are interesting objects to...
  • Ensemble seismology of Gaia DR3 binary systems

    Binary systems constitute a valuable astrophysics tool for testing our understanding of stellar structure and evolution. Systems contain- ing at least one oscillating component...
  • Six new triple stellar systems time of minima

    We present the discovery of six new triple stellar system candidates composed of an inner eccentric-orbit eclipsing binary with an apsidal motion. These stars were studied using...
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