Search Results - "Scaife, Anna M. M."

Practical galaxy morphology tools from deep supervised representation learning by Walmsley, Mike, Scaife, Anna M M, Lintott, Chris, Lochner, Michelle, Etsebeth, Verlon, Géron, Tobias, Dickinson, Hugh, Fortson, Lucy, Kruk, Sandor, Masters, Karen L, Mantha, Kameswara Bharadwaj, Simmons, Brooke D

“…ABSTRACT Astronomers have typically set out to solve supervised machine learning problems by creating their own representations from scratch. We show that deep…”
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Bright radio emission from an ultraluminous stellar-mass microquasar in M 31 by Middleton, Matthew J., Miller-Jones, James C. A., Markoff, Sera, Fender, Rob, Henze, Martin, Hurley-Walker, Natasha, Scaife, Anna M. M., Roberts, Timothy P., Walton, Dominic, Carpenter, John, Macquart, Jean-Pierre, Bower, Geoffrey C., Gurwell, Mark, Pietsch, Wolfgang, Haberl, Frank, Harris, Jonathan, Daniel, Michael, Miah, Junayd, Done, Chris, Morgan, John S., Dickinson, Hugh, Charles, Phil, Burwitz, Vadim, Valle, Massimo Della, Freyberg, Michael, Greiner, Jochen, Hernanz, Margarita, Hartmann, Dieter H., Hatzidimitriou, Despina, Riffeser, Arno, Sala, Gloria, Seitz, Stella, Reig, Pablo, Rau, Arne, Orio, Marina, Titterington, David, Grainge, Keith

“…A new ultraluminous X-ray source has been discovered in M 31, whose variability and associated bright, compact radio emission identify it as a stellar-mass…”
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CS-ROMER: a novel compressed sensing framework for Faraday depth reconstruction by Cárcamo, Miguel, Scaife, Anna M M, Alexander, Emma L, Leahy, J Patrick

“…ABSTRACT The reconstruction of Faraday depth structure from incomplete spectral polarization radio measurements using the RM synthesis technique is an…”
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A GMRT survey of regions towards the Taurus molecular cloud at 323 and 608 MHz by Ainsworth, Rachael E., Coughlan, Colm P., Green, David A., Scaife, Anna M. M., Ray, Tom P.

“…We present observations of three active sites of star formation in the Taurus molecular cloud complex taken at 323 and 608 MHz (90 and 50 cm, respectively)…”
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Fanaroff–Riley classification of radio galaxies using group-equivariant convolutional neural networks by Scaife, Anna M M, Porter, Fiona

“…ABSTRACT Weight sharing in convolutional neural networks (CNNs) ensures that their feature maps will be translation-equivariant. However, although conventional…”
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Very Small Array observations of the anomalous microwave emission in the Perseus region by Tibbs, Christopher T., Watson, Robert A., Dickinson, Clive, Davies, Rodney D., Davis, Richard J., Buckmaster, Simon, del Burgo, Carlos, Franzen, Thomas M. O., Génova-Santos, Ricardo, Grainge, Keith, Hobson, Michael P., Padilla-Torres, Carmen P., Rebolo, Rafael, Rubiño-Martín, José Alberto, Saunders, Richard D. E., Scaife, Anna M. M., Scott, Paul F.

“…The dust complex G159.6–18.5 in the Perseus region has previously been observed with the COSMOSOMAS experiment on angular scales of ≈1°, and was found to…”
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KAT-7 detection of radio halo emission in the Triangulum Australis galaxy cluster by Scaife, Anna M. M., Oozeer, Nadeem, de Gasperin, Francesco, Brüggen, Marcus, Tasse, Cyril, Magnus, Lindsay

“…We report the presence of high significance diffuse radio emission from the Triangulum Australis cluster using observations made with the KAT-7 telescope and…”
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10C survey of radio sources at 15.7 GHz - II. First results by Davies, Matthew L., Franzen, Thomas M. O., Waldram, Elizabeth M., Grainge, Keith J. B., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony, Olamaie, Malak, Pooley, Guy G., Riley, Julia M., Rodríguez-Gonzálvez, Carmen, Saunders, Richard D. E., Scaife, Anna M. M., Schammel, Michel P., Scott, Paul F., Shimwell, Timothy W., Titterington, David J., Zwart, Jonathan T. L.

“…In a previous paper (Paper I), the observational, mapping and source-extraction techniques used for the Tenth Cambridge (10C) Survey of Radio Sources were…”
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Attention-gating for improved radio galaxy classification by Bowles, Micah, Scaife, Anna M M, Porter, Fiona, Tang, Hongming, Bastien, David J

“…ABSTRACT In this work, we introduce attention as a state-of-the-art mechanism for classification of radio galaxies, using convolutional neural networks. We…”
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Quantifying uncertainty in deep learning approaches to radio galaxy classification by Mohan, Devina, Scaife, Anna M M, Porter, Fiona, Walmsley, Mike, Bowles, Micah

“…ABSTRACT In this work we use variational inference to quantify the degree of uncertainty in deep learning model predictions of radio galaxy classification. We…”
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10C survey of radio sources at 15.7GHz - I. Observing, mapping and source extraction by Franzen, Thomas M. O, Davies, Matthew L, Waldram, Elizabeth M, Grainge, Keith J. B, Hobson, Michael P, Hurley-Walker, Natasha, Lasenby, Anthony, Olamaie, Malak, Pooley, Guy G, Rodríguez-Gonzálvez, Carmen, Saunders, Richard D. E, Scaife, Anna M. M, Schammel, Michel P, Scott, Paul F, Shimwell, Timothy W, Titterington, David J, Zwart, Jonathan T. L

“…ABSTRACT We have observed an area of [asymptotically =]27deg2 to an rms noise level of 0.2mJy at 15.7 GHz, using the Arcminute Microkelvin Imager Large Array…”
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Radio Galaxy Zoo: using semi-supervised learning to leverage large unlabelled data sets for radio galaxy classification under data set shift by Slijepcevic, Inigo V, Scaife, Anna M M, Walmsley, Mike, Bowles, Micah, Wong, O Ivy, Shabala, Stanislav S, Tang, Hongming

“…ABSTRACT In this work, we examine the classification accuracy and robustness of a state-of-the-art semi-supervised learning (SSL) algorithm applied to the…”
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IONONEST—A Bayesian approach to modeling the lower ionosphere by Martin, Poppy L., Scaife, Anna M. M., McKay, Derek, McCrea, Ian

“…Obtaining high‐resolution electron density height profiles for the D region of the ionosphere as a well‐sampled function of time is difficult for most methods…”
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AMI observations of Lynds dark nebulae: further evidence for anomalous cm-wave emission by Scaife, Anna M. M., Hurley-Walker, Natasha, Green, David A., Davies, Matthew L., Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Lasenby, Anthony N., Pooley, Guy G., Rodríguez-Gonzálvez, Carmen, Saunders, Richard D. E., Scott, Paul F., Shimwell, Timothy W., Titterington, David J., Waldram, Elizabeth M., Zwart, Jonathan T. L.

“…Observations at 14.2 to 17.9 GHz made with the Arcminute Microkelvin Imager (AMI) Small Array towards 14 Lynds dark nebulae with a resolution of ≈2 arcmin are…”
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Structured variational inference for simulating populations of radio galaxies by Bastien, David J, Scaife, Anna M M, Tang, Hongming, Bowles, Micah, Porter, Fiona

“…ABSTRACT We present a model for generating postage stamp images of synthetic Fanaroff–Riley Class I and Class II radio galaxies suitable for use in simulations…”
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Follow-up observations at 16 and 33 GHz of extragalactic sources from WMAP 3-yr data: I – Spectral properties by Davies, Matthew L., Franzen, Thomas M. O., Davies, Rod D., Davis, Richard J., Feroz, Farhan, Génova-Santos, Ricardo, Grainge, Keith J. B., Green, David A., Hobson, Michael P., Hurley-Walker, Natasha, Lasenby, Anthony N., López-Caniego, Marcos, Olamaie, Malak, Padilla-Torres, Carmen P., Pooley, Guy G., Rebolo, Rafael, Rodríguez-Gonzálvez, Carmen, Saunders, Richard D. E., Scaife, Anna M. M., Scott, Paul F., Shimwell, Timothy W., Titterington, David J., Waldram, Elizabeth M., Watson, Robert A., Zwart, Jonathan T. L.

“…We present follow-up observations of 97 point sources from the Wilkinson Microwave Anisotropy Probe (WMAP) 3-yr data, contained within the New Extragalactic…”
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A broad-band flux scale for low-frequency radio telescopes by Scaife, Anna M. M., Heald, George H.

“…ABSTRACT We present parametrized broad-band spectral models valid at frequencies between 30 and 300 MHz for six bright radio sources selected from the 3C…”
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Detailed Sunyaev–Zel'dovich study with AMI of 19 LoCuSS galaxy clusters: masses and temperatures out to the virial radius by Rodríguez‐Gonzálvez, Carmen, Shimwell, Timothy W., Davies, Matthew L., Feroz, Farhan, Franzen, Thomas M. O., Grainge, Keith J. B., Hobson, Michael P., Hurley‐Walker, Natasha, Lasenby, Anthony N., Olamaie, Malak, Pooley, Guy, Saunders, Richard D. E., Scaife, Anna M. M., Schammel, Michel P., Scott, Paul F., Titterington, David J., Waldram, Elizabeth M.

“…ABSTRACT We present detailed 16‐GHz interferometric observations using the Arcminute Microkelvin Imager (AMI) of 19 clusters with LX > 7 × 1037 W (h50 = 1)…”
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A digital correlator upgrade for the Arcminute MicroKelvin Imager by Hickish, Jack, Razavi-Ghods, Nima, Perrott, Yvette C, Titterington, David J, Carey, Steve H, Scott, Paul F, Grainge, Keith J B, Scaife, Anna M M, Alexander, Paul, Saunders, Richard D E, Crofts, Mike, Javid, Kamran, Rumsey, Clare, Jin, Terry Z, Ely, John A, Shaw, Clive, Northrop, Ian G, Pooley, Guy, D'Alessandro, Robert, Doherty, Peter, Willatt, Greg P

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Galaxy Zoo DESI: Detailed morphology measurements for 8.7M galaxies in the DESI Legacy Imaging Surveys by Walmsley, Mike, Géron, Tobias, Kruk, Sandor, Scaife, Anna M M, Lintott, Chris, Masters, Karen L, Dawson, James M, Dickinson, Hugh, Fortson, Lucy, Garland, Izzy L, Mantha, Kameswara, O’Ryan, David, Popp, Jürgen, Simmons, Brooke, Baeten, Elisabeth M, Macmillan, Christine

“…ABSTRACT We present detailed morphology measurements for 8.67 million galaxies in the DESI Legacy Imaging Surveys (DECaLS, MzLS, and BASS, plus DES). These are…”
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