Browsing by Subject "Techniques radial velocities"

Now showing items 1-5 of 5

    • An eccentric companion at the edge of the brown dwarf desert orbiting the 2.4 M-circle dot giant star HIP 67537 
      Jones, M. I.; Brahm, R.; Wittenmyer, R. A.; Drass, H.; Jenkins, James Stewart; Melo, C. H. F.; Vos, J.; Rojo Rubke, Patricio (EDP Sciences, 2017)
      We report the discovery of a substellar companion around the giant star HIP 67537. Based on precision radial velocity measurements from CHIRON and FEROS high-resolution spectroscopic data, we derived the following orbital ...
    • K2-140b – an eccentric 6.57 d transiting hot Jupiter in Virgo 
      Giles, H. A. C.; Bayliss, D.; Espinoza, N.; Jenkins, James Stewart; Pantoja, B.; Soto, M. (Oxford University Press, 2018)
      We present the discovery of K2-140b, a P = 6.57 d Jupiter-mass (M-P = 1.019 +/- 0.070 M-Jup) planet transiting a V = 12.5 (G5-spectral type) star in an eccentric orbit (e = 0.120(-0.046)(+0.056)) detected using a combination ...
    • NGTS-1b: a hot Jupiter transiting an M-dwarf 
      Bayliss, Daniel; Gillen, Edward; Eigmueller, Philipp; Jenkins, James Stewart; Soto, Maritza (Oxford University Press, 2018)
      We present the discovery of NGTS-1b, a hot Jupiter transiting an early M-dwarf host (T-eff,(*) = 3916 (+71)(-63) K) in a P = 2.647 d orbit discovered as part of the Next Generation Transit Survey (NGTS). The planet has a ...
    • Orbits for eighteen visual binaries and two double-line spectroscopic binaries observed with hrcam on the ... 
      Méndez Bussard, René Alejandro; Claveria, Ruben M.; Orchard Concha, Marcos; Silva, Jorge F. (IOP Publishing Ltd., 2017)
      We present orbital elements and mass sums for 18 visual binary stars of spectral types B to K (five of which are new orbits) with periods ranging from 20 to more than 500 yr. For two double-line spectroscopic binaries with ...
    • The test case of HD 26965: difficulties disentangling weak doppler signals from stellar activity 
      Díaz, Matias R.; Jenkins, James Stewart; Tuomi, Mikko; Butler, R. Paul; Soto, Maritza G.; Teske, Johanna K.; Feng, Fabo; Shectman, Stephen A.; Arriagada, Pamela; Crane, Jeffrey D.; Thompson, Ian B.; Vogt, Steven S. (IOP Publishing Ltd, 2018)
      We report the discovery of a radial velocity signal that can be interpreted as a planetary-mass candidate orbiting the K dwarf HD 26965, with an orbital period of 42.364 +/- 0.015 days, or alternatively, as the presence ...