Project documents


Project Book

LWA Memo Series

LWA Engineering Memos

LWA Software Libary

LWA Publications




For all publications using any data taken before June 1, 2013:February 2012 LWA Publication Policy

For all publications using exclusively data taken between June 1, 2013 and December 31, 2017:Feb. 2014 LWA Publication Policy

For all publications using exclusively data taken after January 1, 2018:January 2018 LWA Publication Policy

LWA publications

43. Abbott, B.P., Abbott, R., et al.
2017, ApJL, 848, L12
Multi-messenger Observations of a Binary Neutron Star Merger
42. Price, D.C., Greenhill, L.J., et al.
2017, MNRAS, submitted
Design and characterization of the Large-Aperture Experiment to Detect the Dark Ages (LEDA) radiometer systems
41. Malins, J.B., White, S., Taylor, G.B., Stovall, K., & Dowell, J. <\ /B>
2017, Radio Science, submitted
Modeling the Ionosphere with GPS and Rotation Measure Observations
40. Cranmer, M.D. et al.
2017, JAI, 650007
Bifrost: a Python/C++ Framework for High-Throughput Stream Processing in Astronomy
39. Krishnakumar, M.A., Joshi, B.C. & Manoharan, P.K.
2017, ApJ, 846, 104
Multi-frequency scatter broadening evolution of pulsars - I
38. Swiggum, J.K., Kaplan, D.L., McLaughlin, M. et al.
2017, ApJ, 847, 25
A Multi-Wavelength Study of Nearby Millisecond Pulsar PSR J1400-1431: Improved Astrometry and an Optical Detection of its Cool White Dwarf Companion
37. Tsai, J., Simonetti, J.H., & Kavic, M.
2017, PASP, 129, 024301
Analysis of Scattering from Archival Pulsar Data using a CLEAN-based Method
36. Ferguson, D., White, S., Rast, R., Balasubramaniam, K., Thompson, D., Suszcynsky, D., & Holeman, E.
2017, JSR, 54, 566
Ground-Based Surveillance Campaign to Detect Global Positioning System Arcing: First Preliminary Results
35. Helmboldt, J.F., & Taylor, G.B.
2017, ESS, submitted
All-sky tracking of sporadic-E field-aligned irregularities as a novel probe of thermospheric winds
34. Helmboldt, J.F.
2016, Ann Geophys, 34, 529
A multi-platform investigation of midlatitude sporadic E and its ties to E–F coupling and meteor activity
33. Mereghetti, S., et al.
2016, ApJ, 831, 21
A deep campaign to characterize the synchronous radio/X-ray mode switching of PSR B0943+10
32. Obengerger, K.S., Holmes, J.M., Dowell, J.D., Schinzel, F.K., Sutton, E.K., & Taylor, G.B.
2016, GRL, 43, 8885
Altitudinal Dependence of Meteor Radio Afterglows Measured via optical meteor counterparts
31. Imai, M., Lecacheux, A., Clarke, T.E., Higgins, C.A., Panchenko, M., Dowell, J., Imai, K., Brazhenko, A.I., Frantsuzenko, A.V., & Konovalenko, A.A.
2016, ApJ, 826, 176
Beaming structures of Jupiter's decametric common S-bursts observed from LWA1, NDA, and URAN2 radio telescopes
30. Taylor, G.B., Stovall, K., McCrackan, M., McLaughlin, M.A., Miller, R., Karako-Argaman, C., Dowell, J. & Schinzel, F.K.
2016, ApJ, 831, 140
Observations of Rotating Radio Transients with the First Station of the Long Wavelength Array
29. Dowell, J., Taylor, G.B., Schinzel, F.K., & Kassim, N.E.
2017, MNRAS, 469, 4537
The LWA1 Low Frequency Sky Survey
28. Howard, T.A., Stovall, K., Dowell, J., Taylor, G.B., & White, S.M.
2016, ApJ, 831, 208
Measuring the magnetic field of coronal mass ejections near the Sun using pulsars
27. Helmboldt, J.F., & Taylor, G.B.
2016, GRL, submitted
Direct observations of the connection between meteor activity and mid-latitude sporadic-E
26. Beardsley, A.P., Thyagarajan, N., Bowman, J.D., & Morales, M.F.
2017, MNRAS, 470, 4720
An Efficient Feedback Calibration Algorithm for Direct Imaging Radio Telescopes
25. Eftekhari, T., Stovall, K., Dowell, J., Schinzel, F.K., & Taylor, G.B.
2016, ApJ, 829, 62
A Low Frequency Survey of Giant Pulses from the Crab Pulsar
24. Obengerger, K.S., Dowell, J., Hancock, P.J., Holmes, J.M., Pedersen, T.R., Schinzel, F.K., & Taylor, G.B.
2016, JGR, 121 ,6808
Rates, Flux Densities, and Spectral Indices of Meteor Radio Afterglows
23. Helmboldt, J.F., Kassim, N.E., & Teare, S.W.
2015, Earth and Space Science, 2
Observations of the ionospheric impact of M-class solar flares on local and hemispheric scales
22. Ferguson, D., Crabtree, P., White, S., & Vayner, B.
2016, Journal of Spacecraft and Rockets, 53, 464
Anomalous GPS Power Degredation and Arc-Induced Contamination
21. Tsai, et al.
2016, AJ, 151, 65
Simultaneous Observations of Giant Pulses from Pulsar PSR B0031-07 at 38 MHz and 74 MHz
20. Tsai, et al.
2015, AJ, 149, 65
Observations of Giant Pulses from Pulsar PSR B0950+08 using LWA1
19. Yancey, C., Bear, B., Akukwe, B., Dowell, J., Gough, J., Kanner, J., Obenberger, K., Shawhan, P., Simonnetti, J., Taylor, G.B., Tsai, J-W., & Kavic, M.
2015, ApJ, 812, 168
Multi-messenger astronomy of gravitational-wave sources with flexible wide-area radio transient surveys
18. Tun, S.D., Cutchin, S., & White, S.
2015, Solar Physics, 290, 2423
A New Look at Type III Bursts and their Use as Coronal Diagnostics
17. Obengerger, K.S., Lin, C.S., Dowell, J., Schinzel, F.K., & Stovall, K.
2015, JGR Space Physics, 120, 9916
Dynamic Radio Spectra from two Fireballs
16. Kocz, J., Greenhill, L.J., Barsdell, B.R., Price, D., Bernardi, G., Bourke, S., Clark, M.A., Craig, J., Dexter, M., Dowell, J., Eftekhari, T., Ellingson, S., Hallinan, G., Hartman, J., Jameson, A., MacMahon, D., Taylor, G.B., Schinzel, F., & Werthimer, D.
2014, JAI, 450003
Digital Signal Processing using Stream High Performance Computing: A 512-input Broadband Correlator for Radio Astronomy
15. Stovall, K., Ray, P.S., Blythe, J., Dowell, J., Eftekhari, T., Garc\ ia, A., Lazio, T.J.W., McCrackan, M., Schinzel, F.K., & Taylor, G.B..
2014, ApJ, 808, 156
Pulsar Observations Using the First Station of the Long Wavelength array and the LWA Pulsar Data Archive
14. Obenberger, K.S., Taylor, G.B., Hartman, J.M., Clarke, T.E., Dowell, J., Dubois, A., Dubois, D., Henning, P.A., Lazio, J., Michalak, S., & Schinzel, F.K.
2015, JAI, 4, 450004
Monitoring the Sky with the Prototype All-Sky Imager on the LWA1
13. Clarke, T.E., Higgins, C., Skarda, J., Imai, K., Imai, M., Reyes, F., Thieman, J., Jaeger, T., Schmitt, H., Dalal, N.P., Dowell, J., Ellingson, S.W., Hicks, B., Schinzel, F.K, & Taylor, G.B.
2014, JGR, 119, 9508
Probing Jovian Decametric Emission with the Long Wavelength Array Station 1
12. Obenberger, K.S., Taylor, G.B., Hartman, J.M., Dowell, J., Ellingson, S.W., Helmboldt, J.F., Henning, P.A., Kavic, M., Schinzel, F.K, Simonetti, J.H., Stovall, K.\ & Wilson, T.L.
2014, ApJL, 788, L26
Detection of Radio Emission from Fireballs
11. Tsai, J., Simonetti, J., Akukwe, B., Bear, B., Cutchin, S., Dowell, J., Gough, J., Kanner, J., Kassim, N., Schinzel, F., Shawhan, P., Taylor, G.B., Yancey, C., Quezada, L., & Kavic, M.
2015, AJ, 149, 65
Observations of Giant Pulses from Pulsar B0950+08 using LWA1
10. Obenberger, K.S., Hartman, J.M., Taylor, G.B., Craig., J., Dowell, J., Helmboldt, J.F., Henning, P.A., Schinzel, F.K, & Wilson, T.L.
2014, ApJ, 785, 27
Limits on GRB Prompt Radio Emission Using the LWA1
9. Kocz, J., Greenhill, L.J., Bernardi, G., Jameson, A., Barsdell, B.R., Craig, J., Taylor, G.B., Schinzel, F., & Wertheimer, D.
2014, JAI, 3, 50002
A Scalable Hybrid FPGA/GPU FX Correlator
8. Dowell, J., Ray, P.S., Taylor, G.B., Blythe, J.N., Clarke, T., Craig, J., Ellingson, S.W., Helmboldt, J.F., Henning, P.A., Lazio, J., Schinzel, F., Stovall, K., & Wolfe, C.N.
2013, ApJL, 775, L28
Detection and Flux Density Measurements of the Millisecond Pulsar J2145−0750 below 100 MHz
7. Helmboldt, J.F., Ellingson, S.W., Taylor, G.B., Wilson, T.L., \& Wolfe, C.N.
2014, Radio Science, 49, 3
All-sky imaging of meteor trails at 55.25 MHz with the first station of the Long Wavelength Array
6. Ellingson, S.W., Clarke, T.E., Craig, J., Hicks, B.C., Lazio, T.J.\ W., Taylor, G.B., Wilson, T.L., & Wolfe, C.N.
2013, ApJ, 768, 136
Observations of Crab Giant Pulses in 20-84 MHz using the LWA1
5. Helmboldt, J.F., Clarke, T.E., Craig, J., Ellingson, S.W., Hartman, J.M., Hicks, B.C., Kassim, N.E., Taylor, G.B., \& Wolfe, C.N.
2013, Radio Science, 48, 491
Passive over-the-horizon radar with WWV and the first station of the Long Wavelength Array
4. Hicks, B.~C., Paravastu-Dalal, N., Stewart, K.~P., et al.
2012, PASP, 124, 1090
A Wide-Band, Active Antenna System for Long Wavelength Radio Astronomy
3. Ellingson, S.W., Taylor, G.B., Craig, J., Hartman, J., Dowell, J., Wolfe, C.N., Clarke, T.E., Hicks, B.C., Kassim, N.E., Ray, P.S., Rickard, L.J., Schinzel, F.K., & Weiler, K.W.
2013, IEEE Transacations on Antennas and Propagation, 61, 2540
The LWA1 Radio Telescope
2. Dowell, J., Wood, D., Stovall, K., Ray, P., & Taylor, G.B.
2012, JAI, 1, 50006, astro-ph/1209.1576
The Long Wavelength Array Software Library
1. Taylor, G.B., Ellingson, S.W., Kassim, N.E., Craig, J., Dowell, J., Wolfe, C.N., Hartman, J. et al.
2012, JAI, 1, 50004, astro-ph/1206.6733
First Light for the First Station of the Long Wavelength Array

Presentations at the 225th AAS January 2015 in Seattle

11. Hoffman, I.M.
2015, AAS Meeting #225, #141.10
Search for 54-MHz Maser Emission from Interstellar Hydroxyl Using the Long Wavelength Array
10. Dowell, J., & Taylor, G.B.
2015, AAS Meeting #225, #113.06
The LWA1 Low Frequency Sky Survey
9. Obenberger, K.S.
2015, AAS Meeting #225, #336.33
Monitoring the Low Frequency Sky with the LWA1 and the Prototype All-Sky Imager
8. Schinzel, F., Polisensky, E., Dowell, J., & Taylor, G.B.
2015, AAS Meeting #225, #337.02
Flux density calibration of compact low frequency aperture arrays
7. Murray, J., Jenet, F., et al.
2015, AAS Meeting #225, #337.13
Progress on the Low Frequency All Sky Monitor
6. Eftekhari, T., Taylor, G.B., & Stovall, K.
2015, AAS Meeting #225, #346.08
A Low Frequency Survey of Giant Pulses from the Crab Pulsar
5. Kassim, N. et al.
2015, AAS Meeting #225, #311.05
The Low Band Observatory (LOBO): Expanding the VLA Low Frequency Commensal System for Continuous, Broad-band, sub-GHz Observations
4. Hallinan, G., Bourke, S., Anderson, M., Eastwood, M., Monroe, R., Greenhill, L.J., Taylor, G.B., Lazio, J., & Weinreb, S.
2015, AAS Meeting #225, #328.01
Monitoring All the Sky All the Time with the Owens Valley Long Wavelength Array
3. Greenhill, L.J.
2015, AAS Meeting #225, #403.07
Constraining the Thermal State of the IGM at z~20
2. McCrackan, M., Millers, R.B., Stovall, K., McLaughlin, M. & Taylor, G.B.
2015, AAS Meeting #225, #421.05
Low Frequency Study of Rotating Radio Transients
1. Taylor, G.B., et al.
2015, AAS Meeting #225, #421.06
Observing Rats, Giants, and Ghosts below 100 MHz with the LWA

Presentations at the 223rd AAS January 2014 in DC

15. Schinzel, F., Cutchin, S.E., Polisensky, E., Helmboldt, J.F., Dowell, J., et al.
2014, AAS Meeting #223, #148.22
Monitoring of Cyg A and Cas A flux densities below 100 MHz
14. Akukwe, B., Gough, J., Cutchin, S.E., et al.
2014, AAS Meeting #223, #153.12
A Search for Fast Radio Transients with LWA-1
13. Tsai, J.-W., Simonetti, J.H., Kavic, M. et al.
2014, AAS Meeting #223, #153.19
Observations of Giant Pulses from Pulsar B0950+08 using LWA1
12. Papadopoulos, J., Gough, J., Cutchin, S., Kavic, M. et al.
2014, AAS Meeting #223, #155.29
Constraints on Inspiralling Binaries from First LWA Data
11. Obenberger, K.S., Hartman, J.M., Taylor, G.B. et al.
2014, AAS Meeting #223, #311.03
Limits on GRB Prompt Radio Emission Using the LWA1
10. Stovall, K., Demorest, P., Dowell, J., Ray, P.S., Schinzel, F., &Taylor, G.B.
2014, AAS Meeting #223, #140.01
Pulsar Observations Using the First Station of the Long Wavelength Array
9. Miller, R.B., & McLaughlin, M.
2014, AAS Meeting #223, #140.02
Observations of Rotating Radio Transients Using the Long Wavelength Array
8. Taylor, G.B., & Dowell, J.
2014, AAS Meeting #223, #140.03
Detection of Pulsed Emission from the Millisecond Pulsar PSR J2145-0750 Below 100 MHz
7. Clarke, T.E., Skarda, J., Higgins, C., et al.
2014, AAS Meeting #223, #218.02
New Studies of Jovian Decametric Emission using the Long Wavelength Array Station 1
6. Higgins, C., Clarke, T.E., Skarda, J., Imai, K. et al.
2014, AAS Meeting #223, #218.03
Fine Structure in Jupiter’s Decametric Emission using the Long Wavelength Array Station 1
5. Cutchin, S.E., Hyman, S.D., Kassim, N.E., & Lazio, J.
2014, AAS Meeting #223, #346.24
A pilot study to monitor the Galactic Center for radio transients with the First Station of the Long Wavelength Array
4. Kavic, M., Yancey, C., Shawhan, P.S., et al.
2014, AAS Meeting #223, #211.02
Coincidently Searching for Gravitational Waves and Low Frequency Radio Transients
3. Murray, J., Jenet, F., Craig, J. et al.
2014, AAS Meeting #223, #148.12
Progress on the Low Frequency All Sky Monitor
2. Dartez, L., Jenet, F., Creighton, T.D., et al.
2014, AAS Meeting #223, #148.11
LoFASM’s FPGA-based Digital Acquisition System
1. Greenhill, L.J.
2014, AAS Meeting #223, #102.03
In Pursuit of the Thermal State of the IGM at Redshift 20: Radio Foreground Characterization


Archived LWA related publications prior to 2010

The Long Wavelength Array: Ellingson, S., Clarke, T.E., Cohen, A.,Craig, J, Kassim, N.E., Pihlström, Y.M., Rickard, L.J., & Taylor, G.B., 2009, Proc IEEE, vol. 97, No. 8, pp. 1421-1430

Extrasolar Planet Studies: The Long Wavelength Array Response to the ExoPlanet Task Force (ExoPTF) Call for White Papers:
J. Lazio, W. M. Farrell, P. Zarka, & J. Kasper 2007

The Long Wavelength Array: G.B. Taylor 2006, Highlights of Astronomy V. 14, 2006 XXVIth IAU General Assembly J. Lazio & N. Kassim, Eds.

Laying the Groundwork for Cluster Studies: The Long Wavelength Array Response to the Dark Energy Task Force Call for White Papers:
T. Clarke, J. Lazio, G. Taylor, C. Sarazin, & N. Kassim 2006

From Clark Lake to the Long Wavelength Array: Bill Erickson's Radio Science
Edited by N. Kassim, M. Perez, M. Junor, and P. Henning 2006, ASP Conference Series, V. 345, Proceedings of the Conference held 8-11 September, 2004 in Santa Fe, New Mexico, USA. These Proceedings contain a variety of papers which review scientific and technical aspects of the project during its early stage. [see - ADS 2006ASPC..345..533C]

Post-Correlation RFI Excision at Low Frequencies
2004, Radio Science (submitted)

RFI Identification and Migitation using Simultaneous Dual Station Observations
2004, Radio Science (submitted)

Radio Emission from Supernovae and Gamma-Ray Bursters and the Need for the SKA
2004, New Astron. Rev., Volume 48, Issues 11-12, pp. 1377-1398

The Radio Search for Extrasolar Planets with LOFAR
2004, Planetary and Space Sciences, Volume 52, Issue 15, pp. 1469-1478

High-Resolution, Wide-Field Imaging of the Galactic Center Region at 330 MHz
2004, AJ, Volume 128, Issue 4, pp. 1646-1670

A Low Frequency Survey of the Galactic Plane Near l=11°: Discovery of Three New Supernova Remnants
2004, AJ, 127, 355

Hydra A at Low Radio Frequencies
2004, AJ, 127, 48

Near-Infrared K-band Imaging of a Sample of Ultra-Steep-Spectrum Radio Sources Selected at 74 Mhz
2004, MNRAS, Volume 355, Issue 1, pp. 20-30

Spectral Index Maps of the Radio Halos in Abell 665 and Abell 2163
2004, A&A, v.423, p.111-119

A Wide-Field, Low-Frequency Radio Survey of the Field of M31. I. Construction and Statistical Analysis of the Source Catalog
2004, ApJS, Volume 155, Issue 1, pp. 89-100

A Deep, High-Resolution Survey at 74 MHz
2004, ApJS, 150, 417

The XMM-LSS Survey. Survey Design and First Results
2004, Journal of Cosmology and Astroparticle Physics, Issue 09, pp. 011

Detection of Sagittarius A* at 330 MHz with the Very Large Array
2004, ApJL, 601, 51

On the Enhanced Interstellar Scattering toward B1849+005
2004, ApJ, Volume 613, Issue 2, pp. 1023-1036

The Radiometric Bode's Law and Extrasolar Planets
2004, ApJ, Volume 612, Issue 1, pp. 511-518

New Nonthermal Filaments at the Galactic Center: Are They Tracing a Globally Ordered Magnetic Field?
2004, ApJ, 607, 302

Low-Redshift Damped Lya Galaxies toward the Quasars B2 0827+243, PKS 0952+179, PKS 1127-145, and PKS 1629+120
2003, ApJ, Volume 595, Issue 1, pp. 94-108

Two Low Frequency Surveys of Radio Galaxies

The Low Frequency Radio Counterpart of the XMM Large Scale Structure Survey
2003, ApJ, 591, 640

Nonthermal Emission from the Arches Cluster (G0.121+0.017) and the Origin of ?-ray Emission from 3EG J1746-2851
2003, ApJ, Volume 590, Issue 2, pp. L103-L106

Thermal and Non-thermal Plasmas in the Galaxy Cluster 3C 129
2003, MNRAS, 345, 1255

Observaciones Interferométricas del RSN W44 en bajas Frecuencias
2003, Boletín de la Asociación Argentina de Astronomía, vol.46, p.61

The Properties of the X-ray holes in the Intracluster Medium of the Perseus Cluster
2002, MNRAS, 331, 369

Radio Emission from Supernovae & Gamma-ray Bursters
2002, Ann. Rev. Astron. & Ap. 40, 387

Low-Frequency Radio Transients in the Galactic Center
2002, AJ, 123, 1497

3C 129 at 90 Centimeters: Evidence for a Radio Relic?

A New System of Parallel Isolated Nonthermal Filaments near the Galactic Center: Evidence for a Local Magnetic Field Gradient

Spatially Resolved Thermal Continuum Absorption against Supernova Remnant W49B

The Radio Spectral Index and Expansion of 3C 58

Multifrequency Very Long Baseline Array Observations of the Compact Double B2 2050+36: Constraints on Interstellar Scattering Revisited

Low-Frequency VLA Observations of Abell 754: Evidence for a Cluster Radio Halo and Possible Radio Relics

Anomalous Radio-Wave Scattering from Interstellar Plasma Structures

Ionospheric Corrections for VLA Observations Using Local GPS Data

M87 at 90 Centimeters: A Different Picture

Radio Continuum Emission from the Central Stars of M20, and the Detection of a New Supernova Remnant near M20

Spatial Variations of the Synchrotron Spectrum within Tycho's Supernova Remnant (3C 10): A Spectral Tomography Analysis of Radio Observations at 20 and 90 Centimeter Wavelengths

A Wide-Field 90 Centimeter VLA Image of the Galactic Center Region

The ALFA Medium Explorer Mission
2000, AdSpR, 26, 743

Upper Limits on the Continuum Emission from Geminga at 74 and 326 MHz

Discovery of a Nonthermal Galactic Center Filament (G358.85+0.47) Parallel to the Galactic Plane

G359.87+0.18, An FR II Radio Galaxy 15' from Sagittarius A*: Implications for the Scattering Region in the Galactic Center

1051 Ergs: The Evolution of Shell Supernova Remnants

The Radio Spectral Index of the Crab Nebula

New Radio and Optical Study of the Supernova Remnant W44

Directions for space-based low frequency radio astronomy. 1. System considerations

A new supernova remnant over the Galactic Centre

The spectral index of the Crab Nebula.

Evidence for Thermal Absorption inside Cassiopeia A

X-ray observations of supernova remnants as distance indicators

The Radio Nebula of the Soft Gamma-Ray Repeater 1806-20

Radio Imaging of Two Supernova Remnants Containing Pulsars

ROSAT Observations of the Composite Supernova Remnant G326.3-1.8

Subarcminute resolution imaging of radio sources at 74 MHz with the Very Large Array

The gamma-ray line of Ti-44, combined with radio observations, as a probe of supernova

The Galaxy Activity-Interaction Connection. II---Radio observations

330 MHz VLA Observations of 20 Galactic Supernova Remnants

A New Look at the 'Jet' in the CTB 37A/B Supernova Remnant Complex

W30 Revealed---Separation and Analysis of Thermal and Nonthermal Emission in a Galactic Complex

Structure in Small Molecular Clouds---Pedestals and Clumping

A Possible New Association of a Pulsar with a Supernova Remnant

Radio Spectrum Studies of 32 First-Quadrant Galactic Supernova Remnants

Low-Frequency Observations of Galactic Supernova Remnants and the Distribution of Low-Density Ionized Gas in the Interstellar Medium

Improved Estimates of Galactic H II Region Emission Measures and Filling Factors---Low-Frequency VLA Observations near Sharpless 53

The Microarcsecond Sky and Cosmic Turbulence
2004, SKA Science Book, also New Astronomy Reviews

The Dynamic Radio Sky
2004, SKA Science Book; also New Astronomy Reviews