Browsing by Author "Ivanov, Valentin"

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    • The distance to SN 1999em from the expanding photosphere method 
      Hamuy Wackenhut, Mario; Pinto, Philip A.; Maza Sancho, José; Suntzeff, Nicholas B.; Phillips, M. M.; Eastman, Ronald G.; Smith, R. C.; Corbally, C. J.; Burstein, D.; Li, Yong; Ivanov, Valentin; Moro Martin, Amaya; Strolger, L. G.; De Souza, R. E.; Dos Anjos, S.; Green, Elizabeth M.; Pickering, T. E.; González, Luis; Antezana, Roberto; Wischnjewsky, Marina; Galaz, Gaspar, 1967-; Roth, M.; Person, S. E.; Schommer, R. A. (2001-09-10)
      We present optical and infrared spectroscopy of the first 2 months of evolution of the Type II supernova SN 1999em. We combine these data with high-quality optical/infrared photometry beginning only 3 days after shock ...
    • Meridional variation in tropospheric methane on Titan observed with AO spectroscopy at Keck and VLT 
      Adamkovics, Mate; Mitchell, Jonathan; Hayes, Alexander; Rojo Rubke, Patricio; Collies, Paul; Barnes, Jason; Ivanov, Valentin; Brown, Robert; Baines, Kevin; Buratti, Bonnie (Elsevier, 2016)
      The spatial distribution of the tropospheric methane on Titan was measured using near-infrared spectroscopy. Ground-based observations at 1.5 mu m (H-band) were performed during the same night using instruments with adaptive ...