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Abstract: We report the discovery of a new planetary system with three transitingplanets, one super-Earth and two sub-Neptunes, that orbit EPIC,249893012, aG8,IV-V evolved star ($M_star$,=,1.05,$pm$,0.05,$M_odot$,$R_star$,=,1.71,$pm$,0.04,$R_odot$,$T_mathrm{eff}$,=5430,$pm$,85,K). The star is just leaving the mainsequence. We combined ktwo photometry with IRCS adaptive-optics imaging andHARPS, HARPS-N, and CARMENES high-precision radial velocity measurements toconfirm the planetary system, determine the stellar parameters, and measureradii, masses, and densities of the three planets. With an orbital period of$3.5949^{+0.0007}_{-0.0007}$ days, a mass of $8.75^{+1.09}_{-1.08} M_{oplus}$, and a radius of $1.95^{+0.09}_{-0.08} R_{oplus}$, the inner planet b iscompatible with nickel-iron core and a silicate mantle ($rho_b=6.39^{+1.19}_{-1.04}$ g cm$^{-3}$). Planets c and d with orbital periods of$15.624^{+0.001}_{-0.001}$ and $35.747^{+0.005}_{-0.005}$ days, respectively,have masses and radii of $14.67^{+1,84}_{-1.89} M_{oplus}$ and$3.67^{+0.17}_{-0.14} R_{oplus}$ and $10.18^{+2.46}_{-2.42} M_{oplus}$ and$3.94^{+0.13}_{-0.12} R_{oplus}$, respectively, yielding a mean density of$1.62^{+0.30}_{-0.29}$ and $0.91^{+0.25}_{-0.23}$ g cm$^{-3}$, respectively.The radius of planet b lies in the transition region between rocky and gaseousplanets, but its density is consistent with a rocky composition. Its semimajoraxis and the corresponding photoevaporation levels to which the planet has beenexposed might explain its measured density today. In contrast, the densitiesand semimajor axes of planets c and d suggest a very thick atmosphere. Thesingularity of this system, which orbits a slightly evolved star that is justleaving the main sequence, makes it a good candidate for a deeper study from adynamical point of view.
Buy New or Surplus NEPTUNE 7163-6819 ( PUMP MOTOR, 1.62 AMP, 115 VAC, 60 HZ, 1550 RPM, 1/20 HP,(100783) ) parts. Radwell also repairs NEPTUNE 7163-6819. And about duration - it is difficult to say, because every character has unique route. It usually takes me 1 hour to play 1 chapter for 1 character. So, if you are going to play all characters and all chapters - 20 hours. (sorry for my math:D ). Xview 2 0 1. Neptune is the eighth and farthest-known Solar planet from the Sun.In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet.It is 17 times the mass of Earth, slightly more massive than its near-twin Uranus.Neptune is denser and physically smaller than Uranus because its greater mass causes more gravitational compression of.
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From: Diego Hidalgo Soto [view email][v1]Wed, 5 Feb 2020 12:33:36 UTC (1,970 KB)
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