PPT-White Dwarf Stars A white dwarf is a

stellar core remnant composed mostly of electrondegenerate matter A white dwarf is very dense its mass is comparable to the Sun s while its volume is comparable to the Earth s A white dwarfs faint . Some Giants and . Hypergiants. exhibit . regular periodic . change in . luminosity. Mira . (. Fabricius. 1595. ) changes by factor of . 100. . with period of . 332d. LPV . like . Mira . not well . To Be A Planet, Or Not To Be?. Physical Characteristics . 5 - Recognized Dwarf Planets. Ceres, Pluto, . Haumea. , . Makemake. , Eris. Classification Criteria. Directly orbits the Sun (not a satellite). Vidojevica. Vince Oliver, Astronomical observatory of Belgrade. Outline. *. Will . talk about the Serbian side . of the . DWARF . project. . The DWARF: “Definition”. DWARF is an international project aimed . Emma Longstaff. Working with Sarah . Casewell. ,. . Graham . Wynn, Christiane . Helling. , Pierre . Maxted. . Planetary systems beyond the main sequence II. Brown dwarfs. Helling. & . Casewell. By AJ, Aidan, Cheryl, and Emma. The Dwarf Planets. A dwarf planet is a smaller planet that shares an orbit around the sun such as an asteroid comets.. Scientists believe there may be as many as a few 100 other dwarf planets in the . .. Class #10. The Bizarre Stellar . Graveyard. (Chapter 13). Professor. : Jos. é Maza. July 3, . 2012. White Dwarfs. Degeneracy pressure. The star is supported by electron . degeneracy pressure. A teaspoon of white dwarf matter would weigh several tons.. New discoveries and follow up observations. University of Hertfordshire. Joana Gomes. Outline. New binaries. T dwarf search and summer student. Follow up observations. White dwarf observations. L dwarfs. The “. Cosmic Distance Ladder. ”. Visual. “. Parallax. ”. “. Binocular. Vision”…. Let’s us “see” 3D images . (depth). …but, how to do this to get . Astronomical Distances. ?. “. are . relatively widely . separated. , . their . evolution proceeds much as it . would . have if they were not . companions.... If they are . closer. , it is possible for . material . to transfer from one star to another, . Stars 1. Patterns of stars – constellations a. Ancient cultures used mythology or everyday items to name constellations 2. Modern astronomy studies 88 constellations 3. Some constellations are not Stephen Hawking - The Birth of Stars - YouTube. Life Cycle of Stars. Nebula – large cloud of gas and dust spread out in an immense volume. Life Cycle of Stars. Gravity pulls gas and dust together in the densest part of the nebula. Nicholas Fantin. NGVS Meeting, . September 22. nd. , 2016. Outline. Motivation. Selecting White Dwarf Candidates. Photometric and Kinematic Properties. Halo White Dwarfs. Next Steps. Summary. Motivation. A . star is a massive ball of plasma that emits . light and electromagnetic energy . throughout the universe. . While . there is only one star in our solar system, there are billions upon billions of stars throughout our galaxy and exponentially more in the billions of galaxies in the universe. László Dobos, Tamás Budavári, Carrie Filion,. Rosie. Wyse, Alex Szalay. Dept. . of . Physics. & . Astronomy. , The . Johns. Hopkins University. Subaru . Prime. . Focus. . Spectrograph. Manua.