Benjamin Pumphrey
A5050458791- Stellar, planetary, and galactic studies
- Astronomy and Astrophysical Research
- Astrophysics and Star Formation Studies
- Gamma-ray bursts and supernovae
- Digital Games and Media
Psychological Health Associates
2021
We present final Spitzer trigonometric parallaxes for 361 L, T, and Y dwarfs. combine these with prior studies to build a list of 525 known dwarfs within 20 pc the Sun, 38 which are presented here first time. Using published photometry spectroscopy as well our own follow-up, we an array color-magnitude color-color diagrams further characterize census members, provide polynomial fits bulk trends. characterizations, assign each object $T_{\rm eff}$ value judge sample completeness over bins...
Abstract A complete accounting of nearby objects—from the highest-mass white dwarf progenitors down to low-mass brown dwarfs—is now possible, thanks an almost set trigonometric parallax determinations from Gaia, ground-based surveys, and Spitzer follow-up. We create a census objects within Sun-centered sphere 20 pc radius check published literature decompose each binary or higher-order system into its separate components. The result is volume-limited ∼3600 individual star formation products...
A complete accounting of nearby objects -- from the highest-mass white dwarf progenitors down to low-mass brown dwarfs is now possible, thanks an almost set trigonometric parallax determinations Gaia, ground-based surveys, and Spitzer follow-up. We create a census within Sun-centered sphere 20-pc radius check published literature decompose each binary or higher-order system into its separate components. The result volume-limited $\sim$3,600 individual star formation products useful in...