Items where Author is "Sparks, W."
Number of items: 16.
Article
Remote sensing of chiral signatures on Mars. (2012)
W. Sparks,
J.H. Hough,
T.A. Germer,
F. Robb
and
L. Kolokolova
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Detection of circular polarization in light scattered from photosynthetic microbes. (2009)
W. Sparks,
J. Hough,
T.A. Germer,
F. Chen,
S. DasSarma,
P. DasSarma,
F.T. Robb,
N. Manset,
L. Kolokolova,
N. Reid,
F.D. Macchetto
and
William Eugene Martin
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Circular polarization in scattered light as a possible biomarker. (2009)
W. Sparks,
J. Hough,
L. Kolokolova,
T.A. Germer,
F. Chen,
S. DasSarma,
P. DasSarma,
F.T. Robb,
N. Manset,
I. Reid,
F.D. Macchetto
and
W. Martin
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Astrobiological signatures: prospects for the detection of non-terrestrial biological material. (2007)
T. Gledhill,
W. Sparks,
Z. Ulanowski,
J. Hough
and
S. DasSarma
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Nuclear properties of nearby spiral galaxies from Hubble Space Telescope NICMOS imaging and STIS spectroscopy. (2005)
M.A. Hughes,
D.J. Axon,
J. Atkinson,
A. Alonso-Herrero,
C. Scarlata,
A. Marconi,
D. Batcheldor,
J. Binney,
A. Capetti,
C.M. Carollo,
L. Dressel,
F.D. Macchetto,
W. Maciejewski,
M. Merrifield,
M. Ruiz,
W. Sparks,
M. Stiavelli,
Z. Tsvetanov
and
J. Gerssen
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A Search for Chiral Signatures on Mars. (2005)
W. Sparks,
J. Hough
and
L. Bergeron
Nuclear Properties of a Sample of Nearby Spiral Galaxies from Hubble Space Telescope STIS Imaging. (2004)
C. Scarlata,
M. Stiavelli,
M.A. Hughes,
D.J. Axon,
A. Alonso-Herrero,
J. Atkinson,
D. Batcheldor,
J. Binney,
A. Capetti,
C.M. Carollo,
L. Dressel,
J. Gerssen,
F.D. Macchetto,
W. Maciejewski,
A. Marconi,
M. Merrifield,
M. Ruiz,
W. Sparks,
Z. Tsvetanov
and
R. van der Marel
An atlas of Hubble Space Telescope spectra and images of nearby spiral galaxies. (2003)
M.A. Hughes,
A. Alonso-Herrero,
D.J. Axon,
C. Scarlata,
J. Atkinson,
D. Batcheldor,
J. Binney,
A. Capetti,
C.M. Carollo,
L. Dressel,
J. Gerssen,
F.D. Macchetto,
W. Maciejewski,
A. Marconi,
M. Merrifield,
M. Ruiz,
W. Sparks,
M. Stiavelli,
Z. Tsvetanov
and
R. van der Marel
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Highly polarized structures in the near-nuclear regions of Cygnus A: intrinsic anisotropy within the cones. (2000)
C.N. Tadhunter,
W. Sparks,
D.J. Axon,
L. Bergeron,
N. Jackson,
C. Packham,
J. Hough,
A. Robinson
and
S. Young
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An optical and near-infrared polarization survey of nearby starburst and interacting galaxies. (1991)
C. Brindle,
J. Hough,
J. Bailey,
D.J. Axon
and
W. Sparks
An optical and near-infrared polarization survey of Seyfert and broad-line radio galaxies. 1 : statistical properties. (1990)
C. Brindle,
J. Hough,
J. Bailey,
D.J. Axon,
M.J. Ward,
W. Sparks
and
I. McLean
An optical and near-infrared polarization survey of Seyfert and broad-line radio galaxies. 2 : the wavelength dependence of polarization. (1990)
C. Brindle,
J. Hough,
J. Bailey,
D.J. Axon,
M.J. Ward,
W. Sparks
and
I. McLean
An optical and near-infrared polarization survey of early-type radio galaxies. (1990)
C. Brindle,
J. Hough,
J. Bailey,
D.J. Axon
and
W. Sparks
Infrared and optical polarimetry of the radio elliptic IC-5063 (PKS2048-57) - discovery of a highly polarized nonthermal nucleus. (1987)
J. Hough,
C. Brindle,
D.J. Axon,
J. Bailey
and
W. Sparks
Infrared photometry of the nuclei of early-type radio galaxies. (1986)
W. Sparks,
J. Hough,
D.J. Axon
and
J. Bailey
Infrared polarimetry of the nucleus of Centaurus A - The nearest blazar? (1986)
J. Bailey,
W. Sparks,
J. Hough
and
D.J. Axon