Bradley Schaefer

Bradley Schaefer
Name	Bradley E. Schaefer
Birth date	1950s
Nationality	American
Fields	Astronomy, Astrophysics, Cosmology, History of Astronomy
Workplaces	Louisiana State University, Harvard University, Indiana University, Southwest Texas State University, Yale University
Alma mater	Yale University, Massachusetts Institute of Technology
Known for	Observational astronomy, KIC studies, historical photometry, comet studies, KIC 8462852 interpretation

Bradley Schaefer is an American astronomer and historian of astronomy noted for observational work on variable stars, comets, and historical photometry. He has held faculty and research positions at several universities and made influential contributions to photometric analyses of archival plates and contemporary time-domain surveys. His work intersects with institutions and projects across observational astronomy, space telescopes, and astronomical archives.

Early life and education

Schaefer completed undergraduate and graduate studies at Yale University and the Massachusetts Institute of Technology, engaging with research linked to observatories and archives associated with Harvard College Observatory, Greenwich Observatory, Palomar Observatory, Mount Wilson Observatory, and Kitt Peak National Observatory. During his formative years he collaborated with researchers connected to American Astronomical Society, International Astronomical Union, Smithsonian Astrophysical Observatory, National Optical Astronomy Observatory, and California Institute of Technology, acquiring skills in photometry, spectroscopy, and archival research used by teams at Space Telescope Science Institute, European Southern Observatory, Max Planck Institute for Astronomy, Royal Astronomical Society, and Harvard-Smithsonian Center for Astrophysics.

Academic career and positions

Schaefer held academic appointments at Yale University, Southwest Texas State University, Indiana University, and Louisiana State University, collaborating with colleagues from University of Texas, University of California, Berkeley, Princeton University, Harvard University, Massachusetts Institute of Technology, and Cornell University. He served on committees and advisory panels linked to National Science Foundation, NASA, European Space Agency, and observational facilities including Hale Telescope, Keck Observatory, Gemini Observatory, Subaru Telescope, and Very Large Telescope. His positions involved engagement with archives such as Harvard Plate Collection, Sonneberg Observatory, Royal Observatory, Edinburgh, Bamberg Observatory, and Leipzig Observatory.

Research and contributions

Schaefer is known for analyses combining historical photographic plate photometry and modern survey data from projects like Sloan Digital Sky Survey, All-Sky Automated Survey for Supernovae, Palomar Transient Factory, Zwicky Transient Facility, and Kepler Mission. He published studies on comets and minor bodies with relevance to teams at Jet Propulsion Laboratory, Minor Planet Center, Spacewatch, and Pan-STARRS. His historical photometry work connected to collections at Harvard College Observatory, Sonneberg Observatory, Royal Astronomical Society, Yerkes Observatory, and Mount Wilson Observatory. He contributed to debates over anomalous lightcurves exemplified by KIC 8462852 and engaged with researchers from SETI Institute, Institute for Advanced Study, Caltech, University of Cambridge, and Oxford University. His methodological contributions influenced studies using instruments like Hubble Space Telescope, Spitzer Space Telescope, Chandra X-ray Observatory, GALEX, and WISE.

Publications and notable works

Schaefer authored peer-reviewed articles in journals tied to American Astronomical Society publications and international periodicals intersecting with Monthly Notices of the Royal Astronomical Society, The Astrophysical Journal, Astronomy & Astrophysics, Publications of the Astronomical Society of the Pacific, and Nature. His notable analyses of archival photometry drew upon plate collections linked to Harvard College Observatory, Sonneberg Observatory, Royal Observatory Greenwich, Vatican Observatory, and Bamberg Observatory. He published on historical records related to Halley's Comet, Encke's Comet, Comet Halley, Comet Shoemaker–Levy 9, and variable stars observed by Williamina Fleming, Edward Pickering, Antonia Maury, Annie Jump Cannon, and projects involving Henry Draper Catalogue. Collaborators and commentators have included researchers at NASA Ames Research Center, Space Telescope Science Institute, Smithsonian Institution, Max Planck Institute for Astronomy, and Carnegie Institution for Science.

Awards and honors

Schaefer received recognition from professional bodies such as the American Astronomical Society and was acknowledged in contexts involving archival and historical astronomy by organizations like the International Astronomical Union, Royal Astronomical Society, Smithsonian Institution, National Science Foundation, and regional science societies linked to Louisiana State University and Yale University. His work has been cited in award contexts for historical astronomy and time-domain research alongside laureates from Nobel Prize (Physics), Gruber Foundation, Breakthrough Prize, Royal Society, and National Academy of Sciences circles.

Personal life

Schaefer's personal biography has connections to academic communities at Yale University, Massachusetts Institute of Technology, Harvard University, Louisiana State University, and regional observatory towns such as Cambridge, Massachusetts, Berkeley, California, Pasadena, California, Tucson, Arizona, and Flagstaff, Arizona. He has collaborated with scholars, archivists, and curators associated with Harvard College Observatory, Smithsonian Institution, Yerkes Observatory, and Vatican Observatory.

Public outreach and media appearances

Schaefer has engaged with media outlets and public science institutions including BBC, National Public Radio, The New York Times, The Washington Post, Science Magazine, Nature, Scientific American, and television networks featuring science coverage. He has participated in conferences and public lectures coordinated by American Astronomical Society, International Astronomical Union, Royal Astronomical Society, Smithsonian Institution, National Academy of Sciences, and university-based public programs at Yale University and Louisiana State University.

Category:American astronomers Category:Historians of astronomy Category:Living people