Search Results - "Waldram, E. M."

9C continued: results from a deeper radio-source survey at 15 GHz by Waldram, E. M., Pooley, G. G., Davies, M. L., Grainge, K. J. B., Scott, P. F.

“…The 9C survey of radio sources with the Ryle Telescope at 15.2 GHz was set up to survey the fields observed with the cosmic microwave background telescope, the…”
Get full text

A final non-redundant catalogue for the 7C 151-MHz survey by Hales, S. E. G., Riley, J. M., Waldram, E. M., Warner, P. J., Baldwin, J. E.

“…We present a final unified catalogue for the 7C survey at 151 MHz with resolution 70 × 70 cosec(δ) arcsec2. This has been constructed by amalgamating the…”
Get full text

Some estimates of the source counts at Planck Surveyor frequencies, using the 9C survey at 15 GHz by Waldram, E. M., Bolton, R. C., Pooley, G. G., Riley, J. M.

“…We have used multifrequency follow-up observations of a sample of extragalactic sources from the 9C survey at 15 GHz to make deductions about the expected…”
Get full text

AMI limits on 15-GHz excess emission in northern H ii regions by Scaife, A. M. M., Hurley-Walker, N., Davies, M. L., Duffett-Smith, P. J., Feroz, F., Grainge, K. J. B., Green, D. A., Hobson, M. P., Kaneko, T., Lasenby, A. N., Pooley, G. G., Saunders, R. D. E., Scott, P. F., Titterington, D. J., Waldram, E. M., Zwart, J.

“…We present observations between 14.2 and 17.9 GHz of 16 Galactic H ii regions made with the Arcminute Microkelvin Imager. In conjunction with data from the…”
Get full text

30 GHz observations of sources in the Very Small Array fields by Gawroński, M. P., Peel, M. W., Lancaster, K., Battye, R. A., Birkinshaw, M., Browne, I. W. A., Davies, M. L., Davis, R. J., Feiler, R., Franzen, T. M. O., Génova-Santos, R., Kus, A. J., Lowe, S. R., Pazderska, B. M., Pazderski, E., Pooley, G. G., Roukema, B. F., Waldram, E. M., Wilkinson, P. N.

“…Small angular scale (high ℓ) studies of cosmic microwave background (CMB) anisotropies require accurate knowledge of the statistical properties of…”
Get full text

15-GHz variability of 9C sources by Bolton, R. C., Chandler, C. J., Cotter, G., Pearson, T. J., Pooley, G. G., Readhead, A. C. S., Riley, J. M., Waldram, E. M.

“…We present results from a 3-yr study of the 15-GHz variability of 51 9C sources. 48 of these sources make up a subsample of a larger one complete to 25 mJy in…”
Get full text

The radio source population at high frequency: follow-up of the 15-GHz 9C survey by Bolton, R. C., Cotter, G., Pooley, G. G., Riley, J. M., Waldram, E. M., Chandler, C. J., Mason, B. S., Pearson, T. J., Readhead, A. C. S.

“…ABSTRACT We have carried out extensive radio and optical follow‐up of 176 sources from the 15‐GHz 9th Cambridge survey. Optical identifications have been found…”
Get full text

5-GHz MERLIN and VLBA observations of compact 9C sources by Bolton, R. C., Chandler, C. J., Cotter, G., Pearson, T. J., Pooley, G. G., Readhead, A. C. S., Riley, J. M., Waldram, E. M.

“…In this paper, we present subarcsecond resolution observations of 36 compact sources from the 15h region of the 15-GHz 9th Cambridge survey. These sources all…”
Get full text

10C continued: a deeper radio survey at 15.7 GHz by Whittam, I H, Riley, J M, Green, D A, Davies, M L, O Franzen, T M, Rumsey, C, Schammel, M P, Waldram, E M

“…We present deep 15.7 GHz observations made with the Arcminute Microkelvin Imager Large Array in two fields previously observed as part of the Tenth Cambridge…”
Get full text

AMI Galactic Plane Survey at 16 GHz - I. Observing, mapping and source extraction by Perrott, Yvette C., Scaife, Anna M. M., Green, David A., Davies, Matthew L., Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony N., Olamaie, Malak, Pooley, Guy G., Rodríguez-Gonzálvez, Carmen, Rumsey, Clare, Saunders, Richard D. E., Schammel, Michel P., Scott, Paul F., Shimwell, Timothy W., Titterington, David J., Waldram, Elizabeth M.

“…The Arcminute Microkelvin Imager (AMI) Galactic Plane Survey is a large-area survey of the outer Galactic plane to provide arcminute resolution images at…”
Get full text

Deep spectroscopy of 9C J1503+4528: a very young compact steep spectrum radio source at z= 0.521 by Inskip, K. J., Lee, D., Cotter, Garret, Pearson, T. J., Readhead, A. C. S., Bolton, R. C., Chandler, C., Pooley, G., Riley, J. M., Waldram, E. M.

“…9C J1503+4528 is a very young compact steep spectrum radio galaxy, with an age of the order of 104 yr. This source is therefore an ideal laboratory for the…”
Get full text

The radio source counts at 15 GHz and their implications for cm-wave CMB imaging by Taylor, Angela C., Grainge, Keith, Jones, Michael E., Pooley, G.G., Saunders, Richard D. E., Waldram, E.M.

“…We use the preliminary results of a new survey of radio sources made using the Ryle Telescope at 15.2 GHz, to estimate the impact of foreground sources on…”
Get full text

A revised machine-readable source list for the Rees 38-MHz survey by Hales, S. E. G., Waldram, E. M., Rees, Nick, Warner, P. J.

“…We describe a revised machine-readable source list for the Rees 38-MHz (or ‘8C’) survey, with improved source positions and no redundancy. A copy of the list…”
Get full text

9C: a survey of radio sources at 15 GHz with the Ryle Telescope by Waldram, Elizabeth M., Pooley, Guy G., Grainge, Keith J. B., Jones, Michael E., Saunders, Richard D. E., Scott, Paul F., Taylor, Angela C.

“…The fields chosen for the first observations of the cosmic microwave background with the Very Small Array have been surveyed with the Ryle Telescope at 15 GHz…”
Get full text

Searches for prompt radio emission at 151 MHz from the gamma-ray bursts GRB 950430 and GRB 950706 by Dessenne, C.A.-C., Green, D.A., Warner, P.J., Titterington, D.J., Waldram, E.M., Barthelmy, S.D., Butterworth, P.S., Cline, T.L., Gehrels, N., Palmer, D.M., Fishman, G.J., Kouveliotou, C., Meegan, C.A.

“…The Cambridge Low Frequency Synthesis Telescope (CLFST) has been used to search for prompt radio emission at 151 MHz from gamma-ray bursts (GRBs) detected by…”
Get full text

The JOSE atmospheric seeing monitor at the William Herschel Telescope by St-Jacques, D., Cox, G. C., Baldwin, J. E., Mackay, C. D., Waldram, E. M., Wilson, R. W.

“…We have installed a Shack-Hartmann wavefront sensor at the William Herschel Telescope. The sensor has 8 × 8 subapertures and operates at frame rates up to 865…”
Get full text

Source analysis on radio maps from the Cambridge Low Frequency Synthesis Telescope by Waldram, E. M., Riley, J. M.

“…An earlier paper by Waldram & McGilchrist has described the use of beam-sets in the analysis of wide-field maps from the Cambridge Low Frequency Synthesis…”
Get full text

Search for a radio counterpart to the gamma-ray burst GRB 940301 by Koranyi, D. M., Green, D. A., Warner, P. J., Waldram, E. M., Palmer, D. M.

“…Observations of the field of the gamma-ray burst of 1994 March 1 (GRB 940301) at 151 MHz using the Cambridge Low Frequency Synthesis Telescope (CLFST) are…”
Get full text

A radio–optical survey of the North Ecliptic Cap by Lacy, M., Riley, J. M., Waldram, E. M., McMahon, R. G., Warner, P. J.

“…The Cambridge Low Frequency Synthesis Telescope has been used to survey a region ≈ 7 × 7 deg2 about the North Ecliptic Cap at 151 MHz with a resolution of 70 ×…”
Get full text

9C spectral-index distributions and source-count estimates from 15 to 93 GHz - a re-assessment by Waldram, E. M, Bolton, R. C, Riley, J. M, Pooley, G. G

“…MNRAS 473, 1317-1324 (2018) In an earlier paper (2007), we used follow-up observations of a sample of sources from the 9C survey at 15.2 GHz to derive a set of…”
Get full text