Matches in SemOpenAlex for { <https://semopenalex.org/work/W2591576993> ?p ?o ?g. }
- W2591576993 endingPage "165" @default.
- W2591576993 startingPage "165" @default.
- W2591576993 abstract "We present the results of an investigation into the occurrence and properties (stellar age and mass trends) of low-mass field stars exhibiting extreme mid-infrared (MIR) excesses (). Stars for the analysis were initially selected from the Motion Verified Red Stars (MoVeRS) catalog of photometric stars with Sloan Digital Sky Survey, 2MASS, and WISE photometry and significant proper motions. We identify 584 stars exhibiting extreme MIR excesses, selected based on an empirical relationship for main-sequence colors. For a small subset of the sample, we show, using spectroscopic tracers of stellar age (Hα and Li i) and luminosity class, that the parent sample is most likely comprised of field dwarfs ( Gyr). We also develop the Low-mass Kinematics (LoKi) galactic model to estimate the completeness of the extreme MIR excess sample. Using Galactic height as a proxy for stellar age, the completeness-corrected analysis indicates a distinct age dependence for field stars exhibiting extreme MIR excesses. We also find a trend with stellar mass (using r − z color as a proxy). Our findings are consistent with the detected extreme MIR excesses originating from dust created in a short-lived collisional cascade (≲100,000 years) during a giant impact between two large planetismals or terrestrial planets. These stars with extreme MIR excesses also provide support for planetary collisions being the dominant mechanism in creating the observed Kepler dichotomy (the need for more than a single mode, typically two, to explain the variety of planetary system architectures Kepler has observed), rather than different formation mechanisms." @default.
- W2591576993 created "2017-03-16" @default.
- W2591576993 creator A5042009599 @default.
- W2591576993 creator A5058023613 @default.
- W2591576993 date "2017-03-21" @default.
- W2591576993 modified "2023-10-17" @default.
- W2591576993 title "Collisions of Terrestrial Worlds: The Occurrence of Extreme Mid-infrared Excesses around Low-mass Field Stars" @default.
- W2591576993 cites W147232447 @default.
- W2591576993 cites W1504017276 @default.
- W2591576993 cites W1531115531 @default.
- W2591576993 cites W1575766262 @default.
- W2591576993 cites W1627629454 @default.
- W2591576993 cites W1700911152 @default.
- W2591576993 cites W1921289443 @default.
- W2591576993 cites W1964245278 @default.
- W2591576993 cites W1965097857 @default.
- W2591576993 cites W1966292886 @default.
- W2591576993 cites W1966720116 @default.
- W2591576993 cites W1967340141 @default.
- W2591576993 cites W1967409881 @default.
- W2591576993 cites W1968124598 @default.
- W2591576993 cites W1981186244 @default.
- W2591576993 cites W1982576349 @default.
- W2591576993 cites W1983979479 @default.
- W2591576993 cites W1988435579 @default.
- W2591576993 cites W1988595719 @default.
- W2591576993 cites W1991732111 @default.
- W2591576993 cites W1992662706 @default.
- W2591576993 cites W1996228609 @default.
- W2591576993 cites W2003054456 @default.
- W2591576993 cites W2007462516 @default.
- W2591576993 cites W2009168305 @default.
- W2591576993 cites W2011301426 @default.
- W2591576993 cites W2011490256 @default.
- W2591576993 cites W2014059545 @default.
- W2591576993 cites W2017467975 @default.
- W2591576993 cites W2021577444 @default.
- W2591576993 cites W2022113292 @default.
- W2591576993 cites W2030970292 @default.
- W2591576993 cites W2031346561 @default.
- W2591576993 cites W2033011260 @default.
- W2591576993 cites W2035525551 @default.
- W2591576993 cites W2035621915 @default.
- W2591576993 cites W2039261468 @default.
- W2591576993 cites W2039579563 @default.
- W2591576993 cites W2040931032 @default.
- W2591576993 cites W2047189459 @default.
- W2591576993 cites W2049912624 @default.
- W2591576993 cites W2050824483 @default.
- W2591576993 cites W2052937506 @default.
- W2591576993 cites W2054050902 @default.
- W2591576993 cites W2054472996 @default.
- W2591576993 cites W2054829104 @default.
- W2591576993 cites W2059607324 @default.
- W2591576993 cites W2064024165 @default.
- W2591576993 cites W2067216542 @default.
- W2591576993 cites W2067877327 @default.
- W2591576993 cites W2076218259 @default.
- W2591576993 cites W2078653650 @default.
- W2591576993 cites W2079270525 @default.
- W2591576993 cites W2079581806 @default.
- W2591576993 cites W2079958881 @default.
- W2591576993 cites W2081616923 @default.
- W2591576993 cites W2082366856 @default.
- W2591576993 cites W2083264490 @default.
- W2591576993 cites W2083592425 @default.
- W2591576993 cites W2084973544 @default.
- W2591576993 cites W2087586953 @default.
- W2591576993 cites W2093012520 @default.
- W2591576993 cites W2100183643 @default.
- W2591576993 cites W2100833883 @default.
- W2591576993 cites W2101687185 @default.
- W2591576993 cites W2102600871 @default.
- W2591576993 cites W2104168804 @default.
- W2591576993 cites W2111817932 @default.
- W2591576993 cites W2113074944 @default.
- W2591576993 cites W2116065665 @default.
- W2591576993 cites W2124199755 @default.
- W2591576993 cites W2124710161 @default.
- W2591576993 cites W2127052500 @default.
- W2591576993 cites W2127189980 @default.
- W2591576993 cites W2128522764 @default.
- W2591576993 cites W2128886718 @default.
- W2591576993 cites W2131185601 @default.
- W2591576993 cites W2133558216 @default.
- W2591576993 cites W2133636837 @default.
- W2591576993 cites W2133725650 @default.
- W2591576993 cites W2134476621 @default.
- W2591576993 cites W2135625048 @default.
- W2591576993 cites W2142220522 @default.
- W2591576993 cites W2143213816 @default.
- W2591576993 cites W2145612370 @default.
- W2591576993 cites W2148977774 @default.
- W2591576993 cites W2150640273 @default.
- W2591576993 cites W2156905179 @default.
- W2591576993 cites W2157917411 @default.
- W2591576993 cites W2161558319 @default.
- W2591576993 cites W2162380162 @default.