Search Results - "Very Large Array"

Full-wave analysis of the expanded very large array by Ludick, D., Carozzi, T., Davidson, David, Smirnov, O.

“…In this work we present the full-wave analysis of the Expanded Very Large Array (EVLA) radio telescope. The analysis methods include that offered by the commercial electromagnetic simulation software package, FEKO, using solvers such as the multi-level fast multipole method (MLFMM) and iterative MLFMM / large element physical optics (LE-PO) techniques. …”
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An automated archival Very Large Array transients survey by Bell, M., Fender, R., Swinbank, J., Miller-Jones, James, Law, C., Scheers, B., Spreeuw, H., Wise, M., Stappers, B., Wijers, R., Hessels, J., Masters, J.

“…In this paper we present the results of a survey for radio transients using data obtained from the Very Large Array archive. We have reduced, using a pipeline procedure, 5037 observations of the most common pointings - i.e. the calibrator fields. …”
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A very large array search for intermediate-mass black holes in globular clusters in M81 by Wrobel, J., Miller-Jones, James, Middleton, M.

“…We used the NRAO Karl G. Jansky Very Large Array to search for the radiative signatures of IMBH accretion from 206 probable GCs in a mosaic of M81. …”
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Deep Very Large Array Observations of the Merging Cluster CIZA J2242.8+5301: Continuum and Spectral Imaging by Gennaro, G., Van Weeren, R., Hoeft, M., Kang, H., Ryu, D., Rudnick, L., Forman, W., Röttgering, H., Brüggen, M., Dawson, W., Golovich, N., Hoang, D., Intema, Hubertus, Jones, C., Kraft, R., Shimwell, T., Stroe, A.

“…In this paper, we present deep 1-4 GHz Very Large Array (VLA) observations of CIZA J2242.8+5301 (z = 0.1921), a double radio relic cluster characterized by small projection on the plane of the sky. …”
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The MAVERIC Survey: Radio Catalogs and Source Counts from Deep Very Large Array Imaging of 25 Galactic Globular Clusters by Shishkovsky, L., Strader, J., Chomiuk, L., Tremou, E., Tudor, V., Miller-Jones, James, Bahramian, Arash, Heinke, C.O., Maccarone, T.J., Sivakoff, G.R.

“…Here we present radio source catalogs for 25 clusters with ultra-deep Karl G. Jansky Very Large Array observations. The median observing time was 10 hr per cluster, resulting in typical rms sensitivities of 2.3 and 2.1 μJy per beam at central frequencies of 5.0 and 7.2 GHz, respectively. …”
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A Deep Chandra, Very Large Array, and Spitzer Infrared Array Camera Study of the Very Low Luminosity Nucleus of the Elliptical NGC 821 by Pellegrini, S., Siemiginowska, A., Fabbiano, G., Elvis, M., Greenhill, L., Soria, Roberto, Baldi, A., Kim, D.

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A deep/wide 1-2 GHz snapshot survey of SDSS Stripe 82 using the Karl G. Jansky Very Large Array in a compact hybrid configuration by Heywood, I., Jarvis, M., Baker, A., Bannister, K., Carvalho, C., Hardcastle, M., Hilton, M., Moodley, K., Smirnov, O., Smith, D., White, Sarah, Wollack, E.

“…We have used the Karl G. Jansky Very Large Array to image ~100 deg2 of SDSS Stripe 82 at 1-2 GHz. …”
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Mpc-scale diffuse radio emission in two massive cool-core clusters of galaxies by Sommer, M., Basu, K., Intema, Hubertus, Pacaud, F., Bonafede, A., Babul, A., Bertoldi, F.

“…The analysis is based on interferometric imaging with the Karl G. Jansky Very Large Array, Very Large Array and Giant Metrewave Radio Telescope.We present detailed radio images of the targets, subtract the compact emission components and measure the spectral indices for the diffuse components. …”
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Microarcsecond scintillation-induced variability (MASIV) survey of the northern sky by Jauncey, D., Lovell, J., Senkbeil, C., Shabala, S., Bignall, Hayley, Pursimo, T., Ojha, R., Dutka, M., Macquart, Jean-Pierre, Rickett, B.J., Kedziora-Chudczer, L.

“…We present the results of a large-scale 5-GHz Very Large Array (VLA) survey of the northern sky searching for sources that exhibit intraday variability (IDV). …”
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The MAVERIC Survey: Still No Evidence for Accreting Intermediate-mass Black Holes in Globular Clusters by Tremou, E., Strader, J., Chomiuk, L., Shishkovsky, L., Maccarone, T., Miller-Jones, James, Tudor, V., Heinke, C., Sivakoff, G., Seth, A., Noyola, E.

“…The sample, imaged with the Karl G. Jansky Very Large Array and the Australia Telescope Compact Array, comprises 50 Galactic GCs. …”
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A Turnover in the Radio Light Curve of GW170817 by Dobie, D., Kaplan, D., Murphy, T., Lenc, E., Mooley, K., Lynch, Christene, Corsi, A., Frail, D., Kasliwal, M., Hallinan, G.

“…We present 2-9 GHz radio observations of GW170817 covering the period 125-200 days post-merger, taken with the Australia Telescope Compact Array (ATCA) and the Karl G. Jansky Very Large Array (VLA). Our observations demonstrate that the radio afterglow peaked at 149 ±2 days post-merger and is now declining in flux density. …”
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Visibility stacking in the quest for type Ia supernova radio emission by Hancock, Paul, Gaensler, B., Murphy, T.

“…We apply "visibility stacking" to 46 archival Very Large Array observations of nearby type Ia supernovae (SNeIa). …”
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High-velocity-resolution observations of OH main line masers in the M82 starburst by Argo, Megan, Pedlar, A., Beswick, R., Muxlow, T., Fenech, D.

“…Using the Very Large Array, a series of high-velocity-resolution observations have been made of the M82 starburst at 1.6 GHz. …”
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No evidence for intermediate-mass black holes in globular clusters: Strong constraints from the JVLA by Strader, J., Chomiuk, L., Maccarone, T., Miller-Jones, James, Seth, A., Heinke, C, Sivakoff, G.

“…With a goal of searching for accreting intermediate-mass black holes (IMBHs), we report the results of ultra-deep Jansky Very Large Array radio continuum observations of the cores of three Galactic globular clusters: M15, M19, and M22. …”
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Discovery of an extended X-ray jet in AP librae by Kaufmann, S., Wagner, S., Tibolla, Omar

“…The X-ray jet morphology is similar to the radio jet observed with Very Large Array at 1.36 GHz emerging in the southeast direction and bends by 50° at a distance of 12'' toward the northeast. …”
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OH main line masers in the M82 starburst by Argo, Megan, Pedlar, A., Beswick, R., Muxlow, T.

“…Observations covering both the 1665 and 1667 MHz lines, conducted with both the Very Large Array (VLA) and the Multi-Element Radio Linked Interferometer Network (MERLIN), have been used to accurately measure the positions and velocities of these features. …”
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Discovery of radio emission from the symbiotic X-ray binary system GX 1+4 by Van den Eijnden, J., Degenaar, N., Russell, T., Miller-Jones, James, Wijnands, R., Miller, J., King, A., Rupen, M.

“…We report the discovery of radio emission from the accreting X-ray pulsar and symbiotic X-ray binary GX 1+4 with the Karl G. Jansky Very Large Array. This is the first radio detection of such a system, wherein a strongly magnetized neutron star accretes from the stellar wind of an M-type giant companion. …”
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CLASS B0445+123: a new two-image gravitational lens system by Argo, Megan, Jackson, N., Browne, I., York, T., McKean, J., Biggs, A., Blandford, R., deBruyn, A., Chae, K., Fassnacht, C., Koopmans, L., Myers, S., Norbury, M., Pearson, T., Phillips, P., Readhead, A., Rusin, D., Wilkinson, P.

“…Radio observations with the Very Large Array (VLA), the Multi Element Radio Linked Interferometer Network and the Very Long Baseline Array at increasingly higher resolutions all show two components with a flux density ratio of ~7 : 1 and a separation of 1.34 arcsec. …”
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Testing the Magnetar Model via Late-Time Radio Observations of Two Macronova Candidates by Horesh, A., Hotokezaka, K., Piran, T., Nakar, E., Hancock, Paul

“…In the search for this emission, we observed the two macronova candidates, GRB 130603B and GRB 060614, with the Jansky Very Large Array (VLA) and the Australia Telescope Compact Array (ATCA). …”
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Radio-quiet quasars in the VIDEO survey: evidence for AGN-powered radio emission at S1.4 GHz < 1 mJy by White, Sarah, Jarvis, M., Häußler, B., Maddox, N.

“…We use a radio-stacking technique to sample below the nominal flux-density threshold using data from the Very Large Array at 1.4 GHz and find, in agreement with other work, that a power-law fit to the quasar-related radio source counts is inadequate at low flux density. …”
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