Now showing items 1-4 of 4

    • Evans, Nancy Remage; Günter, H. Moritz; Bond, Howard E.; Schaefer, Gail H.; Mason, Brian D.; Karovska, Margarita; Tingle, Evan; Wolk, Scott; Engle, Scott; Guinan, Edward; Pillitteri, Ignazio; Proffitt, Charles; Kervella, Pierre; Gallenne, Alexandre; Anderson, Richard I.; Moe, Maxwell (IOP Publishing, 2020)
      Cepheids in multiple systems provide information on the outcome of the formation of massive stars. They can also lead to exotic end-stage objects. This study concludes our survey of 70 galactic Cepheids using the Hubble ...
    • Tokovinin, Andrei; Mason, Brian; Hartkopf, William; Mendez, Rene; Horch, Elliott (Institute of Physics Publishing, 2018)
      The results of speckle interferometric observations at the 4.1 m Southern Astrophysical Research Telescope in 2016 and 2017 are given, totaling 2483 measurements of 1570 resolved pairs and 609 non-resolutions. We describe ...
    • Tokovinin, Andrei; Mason, Brian D.; Méndez Bussard, René A.; Costa Hechenleitner, Edgardo; Horch, Elliott P. (IOP Publishing, 2020)
      The results of speckle-interferometric observations at the 4.1 m Southern Astrophysical Research Telescope in 2019 are given, totaling 2555 measurements of 1972 resolved pairs with separations from 15 mas (median 021) and ...
    • Tokovinin, Andrei; Mason, Brian D.; Hartkopf, William I.; Méndez Bussard, René Alejandro; Horch, Elliott (IOP Publishing, 2016)
      The results of speckle interferometric observations at the Southern Astrophysical Research Telescope in 2015 are provided, totaling 1303 measurements of 924 resolved binary and multiple stars, and non-resolutions of ...