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Astronomy Department at Yale University
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Graduate Program
 
Introduction
    Graduate students in the Yale Astronomy Department work closely with faculty members in their chosen area of research. The 14 members of our teaching faculty have international reputations in the fields of Astrometry, Extragalactic Astronomy & Cosmology, High-Energy Astrophysics, Local Galaxies & Stellar Systems, Solar & Stellar Astrophysics, and ISM & Star Formation.

While this is a wide range of subjects, there is much in common among them. Collaborations between faculty members with different areas of research are common. The Department of Astronomy also has close ties with the Department of Physics, the Center for Astronomy and Astrophysics, and the Universidad de Chile. Such collaborations, and the resources that they bring, combine with the small size to make the Department of Astronomy very unique among graduate institutions.

With a student/faculty ratio of order unity, close collaboration between faculty and students becomes the norm. The department is very student-oriented, with a strong focus on graduate teaching and research. Such qualities make Yale Astronomy an ideal place for learning and research. Average time to a PhD is under six years, roughly a year under the national average. We attribute this to the close attention given to students, the early research experience, and the excellent resources that Yale Astronomy has to offer.

 
Admissions
Applicants to the Ph.D. program should have a strong undergraduate preparation in physics and mathematics. Some training in astronomy is desirable but not essential - many entering students have had no formal background in astronomy. Applicants should take and have ETS submit directly to Yale scores for the Graduate Record Examination Physics Subject Test. While these scores are necessary, we have found that a student's undergraduate record, letters of recommendation, and possible research experience are better predictors of graduate success than test scores. Through a combination of teaching and research fellowships, we are generally able to provide full-time funding for all students over the course of their entire Ph.D. program. Those interested in applying to the Astronomy Department should use the application available on the Yale Graduate School's webpage.
 
The Graduate Program
Students typically enroll in 3 courses during their first semester, and 2-3 courses during the next 3 semesters. Most of these courses are selected from those offered by the Astronomy Department (see list), but students have the option of taking courses in other departments, such as Physics or Mathematics.

Courses are designed to give students a good general knowledge of the various branches of astronomy while covering the necessary background material in mathematics and physics. Each course is offered every other year, so first and second year students take classes together. Students from other departments and advanced undergraduates may also enroll. Students are encouraged to work together on homework and projects. The typical class size is 5-10 students, which facilitates active participation among students and individual attention from the professor. In addition to courses, special seminars are frequently offered which survey the latest research in the chosen field. These seminars are meant to augment courses or to expose the participants to fields that are not traditionally the subject of coursework.

Graduate students also engage in research within their first few months at Yale. Students typically complete two research projects prior to beginning dissertation research. One of these projects must be observationally oriented, and another theoretically oriented. These projects, which are conducted in close association with a faculty member or research scientist, are vital in that they build the research skills that will be needed during dissertation work. They also introduce students to possible dissertation topics. Students often join a faculty member's group to assist with one (or both) of these projects during their first summer at Yale. Students also have the option of leaving Yale to seek outside employment during the summer.

Teaching Fellowships are part of the financial packages offered by Yale, and are considered an important part of the training of a professional astronomer. The teaching load is relatively light compared to many other universities. Students aid in teaching for each of their first three semesters, and are given the fourth semester off to prepare for the qualifying exams. One additional semester of teaching is expected.

The PhD qualifying exams take place at the end of the second academic year. The first exam is written; it consists of 10 problems, one from each course offered by the department, and the student is expected to successfully answer a given fraction of them in a given amount of time. An oral exam is given a few weeks later in the field of the student's chosen dissertation topic. The first-time success rate on these exams is very high.

The next few years are spent in research. Dissertations are major pieces of research, the results of which are often published as several astronomical journal articles. Students work closely with a faculty member, or possibly two, and have many resources available to them. Recent graduates have been very successful in obtaining excellent postdoctoral positions, prestigious fellowships, and faculty positions. Look here for more information.

 
Research and Facilities
In addition to the research areas of specific faculty members, some of the following research programs and facilities may be of special interest. All of the facilities listed are available to graduate students, and in many cases the primary programs being carried out with these facilities are graduate dissertation projects. More detailed information can be found at the department resource webpage.
  1. WIYN Observatory
  2. Yale-U. de Chile Collaborative Program
  3. QUEST and QUEST 2
  4. YALO
  5. National Facilities
  6. Computing
  7. Theoretical Astrophysics
 
Graduate Courses
Astronomy 510: Stellar Populations
Astronomy 518: Stellar Dynamics
Astronomy 520: Computational Methods for Astrophysics
Astronomy 530: Galaxies
Astronomy 540: Radiative Processes
Astronomy 550: Stellar Astrophysics
Astronomy 555: Observational Astronomy
Astronomy 560: Interstellar Matter and Star Formation
Astronomy 565: The Evolving Universe
Astronomy 570: High Energy Astrophysics
Astronomy 585: Introduction to Radio Astronomy
Astronomy 590: Solar Physics
Astronomy 600: Cosmology
Astronomy 701: Research Seminar in Astrometry
Astronomy 705: Research Seminar in Stellar Populations
Astronomy 710: Professional Seminar
Astronomy 715: Research Seminar in High Energy Astrophysics