Wide-Field Astronomical Surveys in the Next Decade (2009)
Strauss, M. A., Tyson, J. A., Anderson, S. F., Axelrod, T. S., Becker, A. C., Bickerton, S. J., ...
Wide-angle surveys have been an engine for new discoveries throughout the modern history of astronomy, and have been among the most highly cited and scientifically productive observing facilities in...
The Megamaser Cosmology Project: I. VLBI observations of UGC 3789 (2008)
Reid, M. J., Braatz, J. A., Condon, J. J., Greenhill, L. J., Henkel, C., Lo, K. Y.
The Megamaser Cosmology Project (MCP) seeks to measure the Hubble Constant (Ho) in order to improve the extragalactic distance scale and constrain the nature of dark energy. We are searching for...
the UK Particle Physics and Astronomy Research Spectroscopy (2008)
G. F. Bignami, P. A. Caraveo, R. C. Lamb, J. A. Paul, Astrophys J, C. Motch, ...
Conference, T.Kajita et al., Eds. (Universal Academy
Radio Agns Among Luminous Infrared Galaxies (2007)
M. S. Yun, J. E. Hibbard, J. J. Condon, Naveen Reddy, W Hz
. An analysis of radio and FIR emission in over 1500 IRAS selected galaxies produces a good linear correlation between radio and FIR luminosity, indicating that star formation in normal field...
The Parkes Half-Jansky Flat-Spectrum Sample (2007)
Drinkwater Webster Francis, M. J. Drinkwater, R. L. Webster, P. J. Francis, J. J. Condon, S. L. Ellison, ...
We present a new sample of Parkes half-Jansky flat-spectrum radio sources having made a particular effort to find any previously unidentified sources. The sample contains 323 sources selected...
The VLA Low-frequency Sky Survey (2007)
Cohen, A. S., Lane, W. M., Cotton, W. D., Kassim, N. E., Lazio, T. J. W., Perley, R. A., ...
The Very Large Array (VLA) Low-frequency Sky Survey (VLSS) has imaged 95% of the 3*pi sr of sky north of declination = -30 degrees at a frequency of 74 MHz (4 meter wavelength). The resolution is 80"...
Nascent starbursts in synchrotron-deficient galaxies with hot dust (2006)
Roussel, H., Helou, G., Beck, R., Condon, J. J., Bosma, A., Matthews, K., ...
Three nearby galaxies which have abnormally high infrared to radio continuum ratios, NGC 1377, IC 1953 and NGC 4491, are investigated with a view to understanding the physical origin of their...
The Spitzer Space Telescope First-Look Survey: Neutral Hydrogen Emission (2005)
Lockman, Felix J., Condon, J. J.
The Spitzer Space Telescope (formerly SIRTF) extragalactic First-Look Survey covered about 5 square degrees centered on J2000 17:18 +59:30 in order to characterize the infrared sky with high...
A 5 MV Radial Insulator Electron Gun for an Electron Ring Accelerator. (2005)
A massive radial insulator is considered as an approach for a stable mounting of a vacuum diode electron gun and connection to a 5-MV, 70-ohms, oil dielectric pulse generator. A rationale for...
The Far- and Mid-Infrared/Radio Correlations in the Spitzer Extragalactic First Look Survey (2004)
Appleton, P. N., Fadda, D. T., Marleau, F. R., Frayer, D. T., Helou, G., Condon, J. J., ...
Using the SPITZER SPACE TELESCOPE and the VLA, we present the first DIRECT evidence that the well-known far-infrared/radio correlation is valid to cosmologically significant redshift. We also...
VLBA Astrometry of Compact Radio Sources in the Spitzer First-Look Survey (2004)
Wrobel, J. M., Garrett, M. A., Condon, J. J., Morganti, R.
The NRAO Very Long Baseline Array (VLBA) was used at 1.4 GHz to image 20 compact sources in the inner 1-degree radius of the Spitzer VLA First-Look Survey. Twelve sources were detected with the VLBA,...
Physical conditions and star formation activity in the intragroup medium of Stephan's Quintet (2003)
Xu,C.K., Lu,N., Condon,J.J., Dopita,M., Tuffs,R.J.
New multiband observations of the famous compact group of galaxies Stephan's Quintet (SQ) are presented and analyzed. These include far-infrared (FIR) images at 60 and 100 mum (ISOPHOT C100 camera),...
Physical Conditions and Star Formation Activity in the Intragroup Medium of Stephan's Quintet (2003)
Xu, C. K., Lu, N., Condon, J. J., Dopita, M., Tuffs, R. J.
New multi-band observations of the famous compact group of galaxies Stephan's Quintet (SQ) are presented and analyzed. These include far infrared (FIR) images at 60$\mu m$ and 100$\mu m$ (ISOPHOT...
Nascent starbursts in synchrotron-deficient galaxies with hot dust (2003)
Roussel, H., Helou, G., Beck, R., Condon, J. J., Bosma, A., Matthews, K., ...
Three nearby galaxies which have abnormally high infrared to radio continuum ratios, NGC 1377, IC 1953 and NGC 4491, are investigated with a view to understanding the physical origin of their...
Nascent starbursts in synchrotron-deficient galaxies with hot dust (2003)
Roussel, H., Helou, G., Beck, R., Condon, J. J., Bosma, A., Matthews, K., ...
Three nearby galaxies which have abnormally high infrared to radio continuum ratios, NGC 1377, IC 1953 and NGC 4491, are investigated with a view to understanding the physical origin of their...
Nascent starbursts in synchrotron-deficient galaxies with hot dust (2003)
Roussel, H., Helou, G., Beck, R., Condon, J. J., Bosma, A., Matthews, K., ...
Three nearby galaxies which have abnormally high infrared to radio continuum ratios, NGC 1377, IC 1953 and NGC 4491, are investigated with a view to understanding the physical origin of their...
Physical conditions and star formation activity in the intragroup medium of Stephan's Quintet (2003)
Xu, C.K., Lu, N., Condon, J.J., Dopita, M., Tuffs, R.J.
New multiband observations of the famous compact group of galaxies Stephan's Quintet (SQ) are presented and analyzed. These include far-infrared (FIR) images at 60 and 100 mum (ISOPHOT C100 camera),...
Nascent starbursts in synchrotron-deficient galaxies with hot dust (2003)
Roussel, H., Helou, G., Beck, R., Condon, J. J., Bosma, A., Matthews, K., ...
Three nearby galaxies that have abnormally high infrared-to-radio continuum ratios, NGC 1377, IC 1953, and NGC 4491, are investigated with a view to understanding the physical origin of their...
High Resolution Mid-Infrared Imaging of Infrared Luminous Starburst Galaxies (2001)
Soifer, B. T., Neugebauer, G., Matthews, K., Egami, E., Weinberger, A. J., Ressler, M., ...
Observations for seven infrared luminous starburst galaxies are reported in the mid-infrared from 8 - 18 microns using the Keck Telescopes with spatial resolution approaching the diffraction limit....
Radio Properties of Infrared Selected Galaxies in the IRAS 2 Jy Sample (2001)
Yun, Min S., Reddy, Naveen A., Condon, J. J.
The radio counterparts to the IRAS Redshift Survey galaxies are identified in the NRAO VLA Sky Survey (NVSS) catalog. Our new catalog of the infrared flux-limited (S60 >= 2 Jy) complete sample of...
VLBA Observations Of A Sample Of Nearby FR I Radio Galaxies (2000)
Xu, Chun, Baum, Stefi A., O'Dea, Christopher P., Wrobel, J. M., Condon, J. J.
We observed 17 nearby low luminosity FR I radio galaxies using the NRAO Very Long Baseline Array (VLBA) at 1.67 GHz, as part of a multi-wavelength study of a complete sample of 21 sources selected by...
Near/Mid Infrared-Wavelength Study of the Interacting Galaxy Pair UGC 12914/5 -- "Taffy" (2000)
Jarrett, T. H., Helou, G., Van Buren, D., Valjavec, E., Condon, J. J.
We report on an infrared 1 to 17 micron study of the nearby (cz = 4600 km/s) interacting spiral galaxy system, UGC 12914/12915, using the ground-based Palomar 200" telescope and PFIRCAM near-infrared...
Bauer, F. E., Condon, J. J., Thuan, T. X., Broderick, J. J.
We cross-identified the ROSAT Bright Source Catalog (RBSC) and the NRAO VLA Sky Survey (NVSS) to construct the RBSC-NVSS sample of the brightest X-ray sources (>= 0.1 counts/s or ~1E-12 ergs/cm/cm/s...
A New Complete Sample of Sub-millijansky Radio Sources: An Optical and Near-Infrared Study (2000)
Masci, Frank J., Condon, J. J., Barlow, T. A., Lonsdale, C. J., Shupe, D. L., Pevunova, O., ...
The Very Large Array (VLA) has been used in C-configuration to map an area \~0.3 square degrees at 1.4 GHz with 5sigma sensitivities of 0.305, 0.325, 0.380 and 0.450 mJy/beam over four equal...
High Resolution Mid-Infrared Imaging of Ultraluminous Infrared Galaxies (1999)
Soifer, B. T., Neugebauer, G., Matthews, K., Egami, E., Becklin, E. E., Weinberger, A. J., ...
Observations of ultraluminous infrared galaxies (ULIRGs) with an achieved resolution approaching the diffraction limit in the mid-infrared from 8 - 25 $\mu$m using the Keck Telescopes are reported....
Scientific Justification for a Beam-Forming Array on the Green Bank Telescope (1998)
Stairs, L. H., Condon, J. J., Lockman, F. J., Turner, B. E., Bania, T. M.
National Radio Astronomy Observatory (NRAO) plans to build a beam-forming array for the Green Bank Telescope (GBT) capable of producing seven beams at L-band. The physical size of 21-cm feeds at the...
The Parkes Half-Jansky Flat-Spectrum Sample (1996)
Drinkwater, M. J., Webster, R. L., Francis, P. J., Condon, J. J., Ellison, S. L., Jauncey, D. L., ...
We present a new sample of Parkes half-Jansky flat-spectrum radio sources having made a particular effort to find any previously unidentified sources. The sample contains 323 sources selected...
New observations and gravitational lens models of the Cloverleaf quasar H1413 + 117 (1990)
Kayser, R, Surdej, Jean, Condon, J J, Kellermann, K I, Magain, Pierre, Remy, M, ...
New optical and radio observations of the quadruple quasar H1413 + 117, the Cloverleaf, are presented. VLA data show radio counterparts at the positions of the four optical images and an additional...
Very large radio surveys of the sky
Recent advances in electronics and computing have made possible a new generation of large radio surveys of the sky that yield an order-of-magnitude higher sensitivity and positional accuracy....
Very large radio surveys of the sky
Recent advances in electronics and computing have made possible a new generation of large radio surveys of the sky that yield an order-of-magnitude higher sensitivity and positional accuracy....