Hintze Centre for Astrophysical Surveys

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The Shape and Figure Rotation of the Dark Halo of NGC 2915

The Astronomical Journal American Astronomical Society 118:5 (1999) 2158-2171

Authors:

M Bureau, KC Freeman, DW Pfitzner, GR Meurer
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The very flat radio - millimetre spectrum of Cygnus X-1

(1999)

Authors:

RP Fender, GG Pooley, P Durouchoux, RPJ Tilanus, C Brocksopp
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Identification of a Likely Radio Counterpart of the Rapid Burster

(1999)

Authors:

CB Moore, RE Rutledge, DW Fox, RA Guerriero, WHG Lewin, R Fender, J van Paradijs
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A UKST survey of blue objects towards the galactic centre – a search for early-type stars

Astronomy and Astrophysics Supplement Series EDP Sciences 139:2 (1999) 231-244

Authors:

PL Dufton, SJ Smartt, NC Hambly
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Are recent peculiar velocity surveys consistent?

Cosmic Flows 1999: Towards an Understanding of Large-Scale Structures Astronomical Society of the Pacific (1999)

Authors:

MJ Hudson, RJ Smith, DJ Schlegel, Roger Davies

Abstract:

We compare the bulk flow of the SMAC sample to the predictions of popular cosmological models and to other recent large-scale peculiar velocity surveys. Both analyses account for aliasing of small-scale power due to the sparse and non-uniform sampling of the surveys. We conclude that the SMAC bulk flow is in marginal conflict with flat COBE-normalized Lambda-CDM models which fit the cluster abundance constraint. However, power spectra which are steeper shortward of the peak are consistent with all of the above constraints. When recent large-scale peculiar velocity surveys are compared, we conclude that all measured bulk flows (with the possible exception of that of Lauer & Postman) are consistent with each other given the errors, provided the latter allow for `cosmic covariance'. A rough estimate of the mean bulk flow of all surveys (except Lauer & Postman) is ~400 km/s towards l=270, b=0.
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