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 . HET Dark Energy Experiment. Bárbara G. . Castanheira. The University of Texas at Austin. Universität. Wien. 17. th. European White Dwarf Workshop – . Tübingen. , August 16-20, 2010 . Hobby-. Eberly. 5-1013 MSun Diameter: 1-200 kpc Luminosity: 106-1012 little or no rotation, so we can Flares . in . an . L dwarf. John Gizis. Department of Physics and Astronomy. University of Delaware. May 24, 2013. @Brown Dwarfs Come of Age. Collaborators . and Facilities. Adam Burgasser. Edo Berger. 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. Planetary Nebulae. . The ‘Ring’ Nebula. . ‘Planetary’ Nebulae. discovered by Herschel. Planetary Nebulae are . Shells that . Look Like. . Rings. . . despite the name, they have . nothing to do with planets. .. 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.. NEBULA. A nebula is a cloud of . hydrogen gas. . and dust in space.. Nebulae are the birthplaces of stars.. There are different types of . nebula: An . Emission . Nebula: such . as Orion nebula, glows brightly because the . 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. 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, . 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.