PPT-Irradiated brown dwarf companions to white dwarf stars

Emma Longstaff Working with Sarah Casewell Graham Wynn Christiane Helling Pierre Maxted Planetary systems beyond the main sequence II Brown dwarfs Helling amp Casewell. Next time: finish reading The Five Ages.. Exam 1 is scheduled for next Wednesday. Will cover Five Ages of the Universe only.. Colored Card Question. The Stelliferous Era . begins. in which cosmological decade?. 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. 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). 5-1013 MSun Diameter: 1-200 kpc Luminosity: 106-1012 little or no rotation, so we can 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 . 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. 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. CatWISE. Federico Marocco (NPP Fellow). Science Question: . How can star formation create stars of extremely low mass, down to a few times the mass of Jupiter (~0.001 solar masses)? And with what efficiency? Is there a low-mass cutoff to star formation? These are important questions with broad astrophysical impact.. stellar core remnant. composed mostly of . electron-degenerate 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 dwarf's faint . William Frost. MSc - . UdeM. In collaboration with. Loïc Albert, . Ren. é Doyon & Björn . Benneke. Summary of Research. Construct an emission spectrum of a brown dwarf (BD) from existing observations. László Dobos, Tamás Budavári, Carrie Filion,. Rosie. Wyse, Alex Szalay. Dept. . of . Physics. & . Astronomy. , The . Johns. Hopkins University. Subaru . Prime. . Focus. . Spectrograph. Manua.