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Orbital solutions of binary white dwarf merger systems

Roffe, Seth (2017) Orbital solutions of binary white dwarf merger systems. Undergraduate Thesis, University of Pittsburgh. (Unpublished)

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We present follow-up observations to white dwarf binary candidates that were identified by spectral variability in SDSS by Badenes & Maoz (2012). We obtained multiple spectra of 24 systems at the Mayall 4m telescope at Kitt Peak, which we analyzed using a Markov Chain Monte Carlo method to measure radial velocities with realistic error bars. Among these systems 6 present strong evidence for binarity, and for these 6 systems we derive orbital solutions.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Roffe, Sethsdr45@pitt.edusdr45
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairBadenes,
Committee MemberWood-Vasey,
Committee MemberZentner,
Committee MemberMatheson,
Date: 24 April 2017
Date Type: Publication
Defense Date: 31 March 2017
Approval Date: 24 April 2017
Submission Date: 11 April 2017
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 37
Institution: University of Pittsburgh
Schools and Programs: David C. Frederick Honors College
Dietrich School of Arts and Sciences > Physics
Degree: BPhil - Bachelor of Philosophy
Thesis Type: Undergraduate Thesis
Refereed: Yes
Uncontrolled Keywords: astronomy, white dwarfs, low mass, merger
Date Deposited: 24 Apr 2017 20:01
Last Modified: 25 Apr 2017 05:15


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