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    • THE 1990 CALAN TOLOLO SUPERNOVA SEARCH 

      Hamuy Wackenhut, Mario; Maza Sancho, José; Phillips, M. M.; Suntzeff, Nicholas B.; Wischnjewsky, M.; Smith, R. C.; Antezana, Roberto; Wells, L. A.; González, L. E.; Gigoux, P.; Navarrete, M.; Barrientos, F.; Lamontagne, R.; Della Valle, Massimo; Elias, J. E.; Phillips, A. C.; Odewahn, S. C.; Baldwin, J. A.; Walker, A. R.; Williams, T.; Sturch, C.; Baganoff, F. K.; Chaboyer, Brian; Schommer, R. A.; Tirado, H.; Hernández, M.; Ugarte, P.; Guhathakurta, P.; Howell, S. B.; Szkody, P.; Schmidtke, P. C.; Roth, J. (AMER INST PHYSICS, 1993-12)
      We have started a search for supernovae as a collaboration between the University of Chile and the Cerro Tololo Inter-American Observatory, with the aim of producing a moderately distant (0.01 < z < 0.10) sample of Type ...
    • SN 1991bg - A type IA supernova with a difference 

      Leibundgut, Bruno; Kirshner, Robert P.; Phillips, Mark M.; Wells, Lisa A.; Suntzeff, Nicholas B.; Hamuy Wackenhut, Mario; Schommer, R. A.; Walker, A. R.; Gonzalez, L.; Ugarte, P.; Williams, R. E.; Williger, G.; Gómez, Mercedes; Marzke, Ronald; Schmidt, Brian P.; Whitney, Barbara; Coldwell, Nelson; Peters, J.; Chaffee, F. H.; Foltz, Craig B.; Rehner, D.; Siciliano, L.; Barnes, T. G.; Cheng, K. P.; Hintzen, P. M. N.; Kim, Y. C.; Maza Sancho, José; Parker, J. Wm.; Porter, A. C.; Schmidtke, P. C.; Sonneborn, George (American Astronomical Society, 1993-01)
      We present 13 spectra and 31 photometric observations covering the first 150 days of SN 1991bg in NGC 4374 (M 84). Although SN 1991bg was a type Ia supernova displaying the characteristic Si II absorption at 6150 angstrom ...