Sentences with phrase «more planetary companions»
Astronomers detect planets by spotting stars that repeatedly wobble toward and away from Earth, tugged by the gravity of one or more planetary companions.
http://www.sciencemag.org/ Not exact matches
For those who prefer a more macho approach, planetary scientist Steven Chesley of NASA's Jet Propulsion Laboratory has proposed a companion mission called ISIS.
We conclude that the planetary scenario is more likely than that of an astrophysical false positive by a factor of 2e5 (Kepler - 20b), 1e5 (Kepler - 20c), and 1.1 e3 (Kepler - 20d), sufficient to validate these objects as planetary companions.
We confirmed the planetary nature of the transiting companion using this mass limit and Doppler tom... ▽ More We present the discovery of KELT - 21b, a hot Jupiter transiting the $ V = 10.5 $ A8V star HD 332124.
David Aguilar, Harvard - Smithsonian Center for Astrophysics — larger «day» and «night» images At maximum brightness, Mira would light up a hypothetical planetary companion, but at its most dark, the giant star's small, hot white dwarf companion would become visible (more discussion with illustration).
The dilution of the host star's light by the nearly equal magnitude stellar companion (~ 0.5 magnitudes fainter) significantly affects the derived planetary parameters, and if left uncorrected, leads to an underestimate of the radius and mass of the planet by 10 %... ▽ More We present the discovery of a hot Jupiter transiting an F star in a close visual (0.3» sky projected angular separation) binary system.
Such «barium stars» may be binaries, where a more massive companion has already thrown off its outer gas envelopes as a planetary nebula in becoming a white dwarf (see HD 147513 AB).
On September 24, 2002, astronomers at the Planetary Systems and their Formation Workshop announced the preliminary confirmation of a long - suspected, Jupiter - type planetary companion within two AUs of Gamma Cephei A (see: MacDonald Observatory's Gamma Cephei and press release; Tautenburg Observatory in German; DPS session summary; Walker et al, 1992; Lawton and Wright, 1989; and Campbell et al, 1988 — more detailPlanetary Systems and their Formation Workshop announced the preliminary confirmation of a long - suspected, Jupiter - type planetary companion within two AUs of Gamma Cephei A (see: MacDonald Observatory's Gamma Cephei and press release; Tautenburg Observatory in German; DPS session summary; Walker et al, 1992; Lawton and Wright, 1989; and Campbell et al, 1988 — more detailplanetary companion within two AUs of Gamma Cephei A (see: MacDonald Observatory's Gamma Cephei and press release; Tautenburg Observatory in German; DPS session summary; Walker et al, 1992; Lawton and Wright, 1989; and Campbell et al, 1988 — more details below).
Researchers using data from Hubble's now - retired Wide Field Planetary Camera 2 (WFPC2) have identified two types of blue stragglers in Messier 30: those that form in near head - on collisions with one another and those that are in twin (or binary) systems where the less massive star siphons «life - giving» hydrogen from its more massive companion.