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| Chris
Tinney B.Sc.
(University of Sydney), PhD (Caltech)
Professor
(Australian Professorial Fellow)
Department
and Research Groups
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Research
Interests
Doppler Searches for Extrasolar Planets: as a
foundation member of the Anglo-
Australian Planet Search I have been deeply
involved in the search for extra-solar planets
since 1998. Our program has now detected over
30 exoplanets using the UCLES spectrograph on
the Anglo- Australian Telescope (AAT), and has
demonstrated the highest long- term precision
of any Doppler planet search worldwide. In 2007,
we are beginning a series of revolutionary campaigns
on the AAT, spending 48 consecutive nights targetting
the most stable stars from our main planet search
program, in an effort to detect planets as small
as just a few times the mass of the Earth.
Brown dwarfs: very small objects formed via the
star formation process are unable to support the
fusion of hydrogen into helium, and so they cool
and contract throughput their lifetimes. In many
respects, therefore, these objects (known as brown
dwarfs) resemble planets - they are very similar
in size, and temperature, and can have the same
masses as planets. I began research into brown
dwarfs as part of my PhD thesis at Caltech, and
have been actively studying them ever since using
optical and infrared imaging, optical and infrared
spectroscopy, and in particular, optical and infrared
astrometry to measure trigonometric distances.
Selected
Publications
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High-resolution
spectra of very low-mass stars. (1998) MNRASA,
301, 1031. CG.Tinney & I.N.Reid
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Brown
dwarfs: The stars that failed (1999). Nature,
397, 37. C.G.Tinney
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An
unusual supernova SN1998bw in the error box
of GRB980425 (1998) Nature, 395, 670. T.Galama
et al.
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The
Faintest Stars– Infrared photometry, Spectra
and Bolometric Magnitudes (1993) AJ, 105, 1045.
C.G.Tinney, J.R.Mould, I.N.Reid
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Trigonometric
Parallaxes and the HR Diagram for VLM Stars.
(1995) AJ, 110, 3014. C.G.Tinney, N.Reid, J.Mould,
J. Gizis
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Searching
for Weather in Brown Dwarfs (1999) MNRAS, 304,
119. C.G.Tinney & A.J.Tolley
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Infrared
parallaxes for Methane brown dwarfs (2003) AJ,
126, 975 (33 citations) C.G.Tinney, A.Burgasser,
J.D.Kirkpatrick, I.N.Reid
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First
Results from the AAPS – A 51 Peg-like
Planet and a brown dwarf (2001) ApJ, 551, L507
C.G.Tinney et al.
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Four
new planets orbiting metal-enriched stars (2004),
ApJ, 587, 423 C.G.Tinney et al.
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2MASS
Wide Field T Dwarf Survey IV: Hunting out T
dwarfs with Methane (2005) AJ, 130, 2326 C.G.Tinney,
A.Burgasser, J.D.Kirkpatrick, M.McElwain
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Scientific
Horizons at the Gemini Observatory (2004) Bob
Abraham, Robert Blum, Michael Meyer, Doug Simons,
Chris Tinney, Rosie Wyse (International Gemini
Observatory: Hilo).
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New
Horizons: A Decadal Plan for Australian Astronomy
2006 – 2015 (2005) ed. B. Boyle, C. Tinney,
C. Jenkins, E. Sadler, J. Storey. Australian
Academy of Science: Canberra.
Contact
Details
Mail Address
School
of Physics
The University of New South Wales
SYDNEY 2052
Australia
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