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Browsing by Author "Han, Z."
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Discovery of the first L dwarf plus giant binary system and eight other ultracool dwarfs in wide binaries
Zhang, Z.; Pinfield, D.J.; Day-Jones, A.C.; Burningham, B.; Jones, H.R.A.; Yu, S.; Jenkins, J.S.; Han, Z.; Galvez-Ortiz, M.C.; Gallardo, J.; Garcia Perez, A.E.; Weights, D.; Tinney, C.G.; Pokorny, R.S. (2010)We identify 806 ultracool dwarfs (of which 34 are newly discovered L dwarfs) from their Sloan Digital Sky Survey (SDSS) riz photometry and obtain proper motions through cross-matching with the United Kingdom Infrared ... -
Hot subdwarfs from the ESO Supernova Ia Progenitor Survey. I. Atmospheric parameters and cool companions of sdB stars
Lisker, T.; Heber, U.; Napiwotzki, R.; Christlieb, N.; Han, Z.; Homeier, D.; Reimers, D. (2005-01) -
Spectroscopic analysis of sdB stars from the ESO Supernova Ia Progenitor Survey
Lisker, T.; Heber, U.; Napiwotzki, R.; Christlieb, N.; Han, Z.; Homeier, D.; Reimers, D. (2004) -
Subdwarf B Stars from the ESO Supernova Ia Progenitor Survey -- Observation versus Theory
Lisker, T.; Heber, U.; Napiwotzki, R.; Christlieb, N.; Han, Z.; Homeier, D.; Reimers, D. (Astronomical Society of the Pacific, 2005)We present the analysis of a high-quality sample of optical spectra for 76 sdB stars from the ESO Supernova Ia Progenitor Survey. Effective temperature, surface gravity, and photospheric helium abundance were derived from ... -
Target site resistance to neonicotinoid insecticides in the brown planthopper, Nilaparvaya luguns
Liu, Z; Williamson, MS; Lansdell, S J; Han, Z.; Denholm, Ian; Millar, N S (Wiley, 2007) -
Ultra-cool dwarfs: new discoveries, proper motions and improved spectral typing from SDSS and 2MASS photometric colors
Zhang, Z.H.; Pokorny, R.S.; Jones, H.R.A.; Pinfield, D.J.; Chen, P.S.; Han, Z.; Chen, D.; Galvez-Ortiz, M.C.; Burningham, B. (2009)