Items where Author is "Zhang, Z. H."

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Article

Two late-T dwarfs at kiloparsec distances revealed by JWST UNCOVER survey. (2026) D. H. Li, Z. H. Zhang, H. H. Peng, M. C. Galvez-Ortiz, S. Y. Zhou and H. R. A. Jones picture_as_pdf

Benchmark brown dwarfs - I. A blue M2 + T5 wide binary and a probable young [M4 + M4] + [T7 + T8] hierarchical quadruple. (2025) Z. H. Zhang, F. Navarete, M. C. Gálvez-Ortiz, H. R. A. Jones, A. J. Burgasser, P. Cruz, F. Marocco, N. Lodieu, Y. Shan, B. Gauza, R. Raddi, M. R. Huang, R. L. Smart, S. Baig, G. Cheng and D. J. Pinfield picture_as_pdf

The Gaia Ultracool Dwarf Sample – IV. GTC/OSIRIS optical spectra of Gaia late-M and L dwarfs. (2024) William Cooper, Hugh Jones, Richard Smart, S.L. Folkes, J. A. Caballero, Federico Marocco, M. C. Galvez-Ortiz, A. J. Burgasser, J.D. Kirkpatrick, L. M. Sarro, Ben Burningham, A. Cabrera Lavers, P. -E. Tremblay, C. Reylé, N. Lodieu, Z. H. Zhang, N. J. Cook, J. F Faherty, D. Garcia-Alvarez, D. Montes, David Pinfield, A.S. Rajpurohit and J Shi picture_as_pdf

Primeval very low-mass stars and brown dwarfs -- VIII. The first age benchmark L subdwarf, a wide companion to a halo white dwarf. (2024) Z. H. Zhang, R. Raddi, A. J. Burgasser, S. L. Casewell, R. L. Smart, M. C. Galvez-Ortiz, H. R. A. Jones, S. Baig, N. Lodieu, B. Gauza, Ya V. Pavlenko, Y. F. Jiao, Z. K. Zhao, S. Y. Zhou and D. J. Pinfield

Primeval very low-mass stars and brown dwarfs - VI. Population properties of metal-poor degenerate brown dwarfs. (2019) Z. H. Zhang, A. J. Burgasser, M. C. Galvez-Ortiz, N. Lodieu, M. R. Zapatero Osorio, D. J. Pinfield and F. Allard picture_as_pdf

Primeval very low-mass stars and brown dwarfs - IV. New L subdwarfs, Gaia astrometry, population properties, and a blue brown dwarf binary. (2018) Z. H. Zhang, M. C. Galvez-Ortiz, D. J. Pinfield, A. J. Burgasser, N. Lodieu, H. R. A. Jones, E. L. Martin, B. Burningham, D. Homeier, F. Allard, M. R. Zapatero Osorio, L. C. Smith, R. L. Smart, B. Lopez Marti, F. Marocco and R. Rebolo

Primeval very low-mass stars and brown dwarfs - III. The halo transitional brown dwarfs. (2018) Z. H. Zhang, D. J. Pinfield, M. C. Galvez-Ortiz, D. Homeier, A. J. Burgasser, N. Lodieu, E. L. Martin, M. R. Zapatero Osorio, F. Allard, H. R. A. Jones, R. L. Smart, B. Lopez Marti, B. Burningham and R. Rebolo

VIRAC: The VVV Infrared Astrometric Catalogue. (2018) L. C. Smith, P. W. Lucas, R. Kurtev, R. Smart, D. Minniti, J. Borissova, H. R. A Jones, Z. H. Zhang, F. Marocco, C. Contreras Peña, M. Gromadzki, M. A. Kuhn, J. E. Drew, D. J. Pinfield and L.R. Bedin grid_on

Primeval very low-mass stars and brown dwarfs -- II. The most metal-poor substellar object. (2017) Z. H. Zhang, D. Homeier, David Pinfield, N. Lodieu, Hugh Jones, F. Allard and Ya V. Pavlenko

Primeval very low-mass stars and brown dwarfs. I. Six new L subdwarfs, classification and atmospheric properties. (2017) Z. H. Zhang, D. J. Pinfield, M. C. Galvez-Ortiz, B. Burningham, N. Lodieu, F. Marocco, A. J. Burgasser, A. C. Day-Jones, F. Allard, H. R. A. Jones, D. Homeier, J. Gomes and R. L. Smart

Probing M subdwarf metallicity with an esdK5+esdM5.5 binary. (2015) Ya. V. Pavlenko, Z. H. Zhang, M. C. Gálvez-Ortiz, I. O. Kushniruk and H.R.A. Jones grid_on

A large spectroscopic sample of L and T dwarfs from UKIDSS LAS : peculiar objects, binaries, and space density. (2015) F. Marocco, H.R.A. Jones, A. C. Day-Jones, D.J. Pinfield, P.W. Lucas, B. Burningham, Z. H. Zhang, R.L. Smart, J. I. Gomes and L. Smith grid_on

The extremely red L dwarf ULAS J222711-004547-dominated by dust. (2014) F. Marocco, A. C. Day-Jones, P.W. Lucas, H.R.A. Jones, R.L. Smart, Z. H. Zhang, J. I. Gomes, B. Burningham, D.J. Pinfield, R. Raddi and Leigh Smith

A spectroscopic and proper motion search of Sloan Digital Sky Survey : red subdwarfs in binary systems. (2013) Z. H. Zhang, D.J. Pinfield, B. Burningham, H.R.A. Jones, M. C. Galvez-Ortiz, S. Catalan, R. L. Smart, S. Lepine, J. R. A. Clarke, Ya V. Pavlenko, D. N. Murray, M. K. Kuznetsov, A. C. Day-Jones, J. Gomes, F. Marocco and B. Sipocz

Two new ultracool benchmark systems from WISE+2MASS. (2013) J. I. Gomes, D.J. Pinfield, F. Marocco, A. C. Day-Jones, B. Burningham, Z. H. Zhang, H.R.A. Jones, L. van Spaandonk and D. Weights

The sub-stellar birth rate from UKIDSS. (2013) A. C. Day-Jones, F. Marocco, D.J. Pinfield, Z. H. Zhang, B. Burningham, Niall Deacon, M. T. Ruiz, J. Gallardo, H.R.A. Jones, P.W. Lucas, J. S. Jenkins, J. Gomes, S. L. Folkes and J. R. A. Clarke

The brightest pure-H ultracool white dwarf. (2012) S. Catalan, P. -E. Tremblay, D.J. Pinfield, Leigh Smith, Z. H. Zhang, R. Napiwotzki, F. Marocco, A. C. Day-Jones, J. Gomes, K.P. Forde, P.W. Lucas and H.R.A. Jones

The properties of the T8.5p dwarf Ross 458C. (2011) B. Burningham, S.K. Leggett, D. Homeier, D. Saumon, P.W. Lucas, D.J. Pinfield, C. G. Tinney, F. Allard, M. S. Marley, H.R.A. Jones, D. N. Murray, M. Ishii, A. Day-Jones, J. Gomes and Z. H. Zhang

Blue not brown: UKIRT Infrared Deep Sky Survey T dwarfs with suppressed K-band flux. (2011) D. N. Murray, B. Burningham, H.R.A. Jones, D.J. Pinfield, P.W. Lucas, S. K. Leggett, C. G. Tinney, A. C. Day-Jones, D. J. Weights, N. Lodieu, J. A. Perez Prieto, E. Nickson, Z. H. Zhang, J. R. A. Clarke, J. S. Jenkins and M. Tamura

The discovery of the T8.5 dwarf UGPS J0521+3640. (2011) B. Burningham, P.W. Lucas, S.K. Leggett, R. Smart, D. Baker, D.J. Pinfield, C. G. Tinney, D. Homeier, F. Allard, Z. H. Zhang, J. Gomes, A. C. Day-Jones, H.R.A. Jones, G. Kovacs, N. Lodieu, F. Marocco, D. N. Murray and B. Sipocz

Conference or Workshop Item

Purple dwarfs : New L subdwarfs from UKIDSS and SDSS. (2013) Z. H. Zhang, D.J. Pinfield, B. Burningham, H.R.A. Jones, A. C. Day-Jones, F. Marocco, J. Gomes and M. C. Galvez-Ortiz