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Chapter and Conference Paper
Map** the Stellar Dynamics of M31
Using the Planetary Nebula Spectrograph, we have observed and measured the velocities for 2764 PNe in the disk and halo of the Andromeda galaxy. Preliminary analysis using a basic ring model shows a rotation c...
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Chapter and Conference Paper
Map** the Stellar Dynamics of M31
Using the Planetary Nebula Spectrograph, we have observed and measured the velocities for 2764 PNe in the disk and halo of the Andromeda galaxy. Preliminary analysis using a basic ring model shows a rotation c...
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Chapter
Scheduled Discoveries of 7+ High-Redshift Supernovae:First Cosmology Results and Bounds on q 0
Our search for high-redshift Type Ia supernovae discovered, in its first years, a sample of seven supernovae. Using a “batch” search strategy, almost all were discovered before maximum light and were observed ...
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Chapter
Observation of Cosmological Time Dilation Using Type Ia Supernovae as Clocks
This work is based on the first results from a systematic search for high redshift Type Ia supernovae. Using filters in the R-band we discovered seven such SNe, with redshift z = 0.3 — 0.5, before or at maximum l...
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Chapter
The Type Ia Supernova Rate at z ~ 0.4
We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project as described in more detail at this ...
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Article
Fibre optics at the 4.2 m telescope (WHT)
We summarize some of the work on optical fibres carried out at the 4.2 m (WHT) telescope. We will briefly describe the Fibre Linked Experimental spectrograph.
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Chapter and Conference Paper
0422-476: A Shell Galaxy with Non-Aligned Shells
0422-476, a nearly face-on S0-a galaxy, is the best example in the Malin/Carter (1983) catalogue of a shell system with shells distributed randomly “all-round” the galaxy. The shells are so bright ...
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Chapter and Conference Paper
An optical and radio survey of southern radio galaxies
We present results from a subset of our survey of southern elliptical radio galaxies. Using VLA snapshot data and high sensitivity spectra from tile AAT Faint Object Red Spectrograph we find a strong correlati...
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Chapter and Conference Paper
Galaxy photometry at faint light levels — interaction with the environment