Nithyanandan Thyagarajan, Ph.D. - Publications

Affiliations: 
2011 Astronomy Columbia University, New York, NY 
Area:
Astronomy and Astrophysics, Astrophysics Physics

41 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Thyagarajan N. Statistical Detection of IGM Structures during Cosmic Reionization Using Absorption of the Redshifted 21 cm line by H I against Compact Background Radio Sources The Astrophysical Journal. 899: 16. DOI: 10.3847/1538-4357/Ab9E6D  0.482
2020 Nunhokee CD, Parsons AR, Kern NS, Nikolic B, Pober JC, Bernardi G, Carilli CL, Abdurashidova Z, Aguirre JE, Alexander P, Ali ZS, Balfour Y, Beardsley AP, Billings TS, Bowman JD, ... ... Thyagarajan N, et al. Measuring HERA's Primary Beam in Situ: Methodology and First Results The Astrophysical Journal. 897: 5. DOI: 10.3847/1538-4357/Ab9634  0.393
2020 Kern NS, Dillon JS, Parsons AR, Carilli CL, Bernardi G, Abdurashidova Z, Aguirre JE, Alexander P, Ali ZS, Balfour Y, Beardsley AP, Billings TS, Bowman JD, Bradley RF, Bull P, ... ... Thyagarajan N, et al. Absolute Calibration Strategies for the Hydrogen Epoch of Reionization Array and Their Impact on the 21 cm Power Spectrum The Astrophysical Journal. 890: 122. DOI: 10.3847/1538-4357/Ab67Bc  0.415
2020 Kern NS, Parsons AR, Dillon JS, Lanman AE, Liu A, Bull P, Ewall-Wice A, Abdurashidova Z, Aguirre JE, Alexander P, Ali ZS, Balfour Y, Beardsley AP, Bernardi G, Bowman JD, ... ... Thyagarajan N, et al. Mitigating Internal Instrument Coupling for 21 cm Cosmology. II. A Method Demonstration with the Hydrogen Epoch of Reionization Array The Astrophysical Journal. 888: 70. DOI: 10.3847/1538-4357/Ab5E8A  0.336
2020 Thyagarajan N, Carilli CL, Nikolic B, Kent J, Mesinger A, Kern NS, Bernardi G, Matika S, Abdurashidova Z, Aguirre JE, Alexander P, Ali ZS, Balfour Y, Beardsley AP, Billings TS, et al. Detection of cosmic structures using the bispectrum phase. II. First results from application to cosmic reionization using the Hydrogen Epoch of Reionization Array Physical Review D. 102: 22002. DOI: 10.1103/Physrevd.102.022002  0.464
2020 Thyagarajan N, Carilli CL. Detection of cosmic structures using the bispectrum phase. I. Mathematical foundations Physical Review D. 102: 22001. DOI: 10.1103/Physrevd.102.022001  0.372
2020 Kent J, Beardsley AP, Bester L, Gull SF, Nikolic B, Dowell J, Thyagarajan N, Taylor GB, Bowman J. Direct wide-field radio imaging in real-time at high time resolution using antenna electric fields Monthly Notices of the Royal Astronomical Society. 491: 254-263. DOI: 10.1093/Mnras/Stz3028  0.321
2020 Ghosh A, Mertens F, Bernardi G, Santos MG, Kern NS, Carilli CL, Grobler TL, Koopmans LVE, Jacobs DC, Liu A, Parsons AR, Morales MF, Aguirre JE, Dillon JS, Hazelton BJ, ... ... Thyagarajan N, et al. Foreground modelling via Gaussian process regression: an application to HERA data Monthly Notices of the Royal Astronomical Society. 495: 2813-2826. DOI: 10.1093/Mnras/Staa1331  0.455
2019 Uzgil BD, Carilli C, Lidz A, Walter F, Thyagarajan N, Decarli R, Aravena M, Bertoldi F, Cortes PC, González-López J, Inami H, Popping G, Riechers DA, Werf PVd, Wagg J, et al. The ALMA Spectroscopic Survey in the HUDF: Constraining Cumulative CO Emission at 1 ≲ z ≲ 4 with Power Spectrum Analysis of ASPECS LP Data from 84 to 115 GHz The Astrophysical Journal. 887: 37. DOI: 10.3847/1538-4357/Ab517F  0.379
2019 Kohn SA, Aguirre JE, La Plante P, Billings TS, Chichura PM, Fortino AF, Igarashi AS, Benefo RK, Gallardo S, Martinot ZE, Nunhokee CD, Kern NS, Bull P, Liu A, Alexander P, ... ... Thyagarajan N, et al. The HERA-19 Commissioning Array: Direction-dependent Effects The Astrophysical Journal. 882: 58. DOI: 10.3847/1538-4357/Ab2F72  0.45
2019 Kerrigan J, Plante PL, Kohn S, Pober JC, Aguirre J, Abdurashidova Z, Alexander P, Ali ZS, Balfour Y, Beardsley AP, Bernardi G, Bowman JD, Bradley RF, Burba J, Carilli CL, ... ... Thyagarajan N, et al. Optimizing sparse RFI prediction using deep learning Monthly Notices of the Royal Astronomical Society. 488: 2605-2615. DOI: 10.1093/Mnras/Stz1865  0.362
2019 Orosz N, Ewall-Wice A, Dillon JS, Thyagarajan N, Parsons AR. Mitigating the Effects of Antenna-to-Antenna Variation on Redundant-Baseline Calibration for 21 cm Cosmology Monthly Notices of the Royal Astronomical Society. 487: 537-549. DOI: 10.1093/Mnras/Stz1287  0.437
2019 Kent J, Dowell J, Beardsley A, Thyagarajan N, Taylor G, Bowman J. A real-time, all-sky, high time resolution, direct imager for the long wavelength array Monthly Notices of the Royal Astronomical Society. 486: 5052-5060. DOI: 10.1093/Mnras/Stz1206  0.345
2018 Thyagarajan N, Carilli CL, Nikolic B. Detecting Cosmic Reionization Using the Bispectrum Phase. Physical Review Letters. 120: 251301. PMID 29979058 DOI: 10.1103/PhysRevLett.120.251301  0.314
2018 Li W, Pober JC, Hazelton BJ, Barry N, Morales MF, Sullivan I, Parsons AR, Ali ZS, Dillon JS, Beardsley AP, Bowman JD, Briggs F, Byrne R, Carroll P, Crosse B, ... ... Thyagarajan N, et al. Comparing Redundant and Sky-model-based Interferometric Calibration: A First Look with Phase II of the MWA The Astrophysical Journal. 863: 170. DOI: 10.3847/1538-4357/Aad3C3  0.451
2018 Kittiwisit P, Bowman J, Jacobs D, Beardsley AP, Thyagarajan N. Erratum: Sensitivity of the Hydrogen Epoch of Reionization Array and its Build-out Stages to One-point Statistics from Redshifted 21 cm Observations [MNRAS, 477, (2018), (864-866)] DOI: 10.1093/mnras/stx3099 Monthly Notices of the Royal Astronomical Society. 477: 864-866. DOI: 10.1093/Mnras/Sty884  0.365
2018 Kittiwisit P, Bowman JD, Jacobs DC, Beardsley AP, Thyagarajan N. Sensitivity of the Hydrogen Epoch of Reionization Array and its build-out stages to one-point statistics from redshifted 21 cm observations Monthly Notices of the Royal Astronomical Society. 474: 4487-4499. DOI: 10.1093/Mnras/Stx3099  0.411
2018 Carilli CL, Nikolic B, Thyagarajan N, Gale‐Sides K. H I 21‐cm Cosmology and the Bispectrum: Closure Diagnostics in Massively Redundant Interferometric Arrays Radio Science. 53: 845-865. DOI: 10.1029/2018Rs006537  0.421
2018 Patra N, Parsons AR, DeBoer DR, Thyagarajan N, Ewall-Wice A, Hsyu G, Leung TK, Day CK, de Lera Acedo E, Aguirre JE, Alexander P, Ali ZS, Beardsley AP, Bowman JD, Bradley RF, et al. The hydrogen epoch of reionization array dish III: measuring chromaticity of prototype element with reflectometry Experimental Astronomy. 45: 177-199. DOI: 10.1007/S10686-017-9563-0  0.446
2017 Nunhokee CD, Bernardi G, Kohn SA, Aguirre JE, Thyagarajan N, Dillon JS, Foster G, Grobler TL, Martinot JZE, Parsons AR. Constraining Polarized Foregrounds for EoR Experiments. II. Polarization Leakage Simulations in the Avoidance Scheme The Astrophysical Journal. 848: 47. DOI: 10.3847/1538-4357/Aa8B73  0.403
2017 Kapińska AD, Staveley-Smith L, Crocker R, Meurer GR, Bhandari S, Hurley-Walker N, Offringa AR, Hanish DJ, Seymour N, Ekers RD, Bell ME, Callingham JR, Dwarakanath KS, For B, Gaensler BM, ... ... Thyagarajan N, et al. Spectral Energy Distribution and Radio Halo of NGC 253 at Low Radio Frequencies The Astrophysical Journal. 838: 68. DOI: 10.3847/1538-4357/Aa5F5D  0.392
2017 Beardsley AP, Thyagarajan N, Bowman JD, Morales MF. An efficient feedback calibration algorithm for direct imaging radio telescopes Monthly Notices of the Royal Astronomical Society. 470: 4720-4731. DOI: 10.1093/Mnras/Stx1512  0.362
2017 Thyagarajan N, Beardsley AP, Bowman JD, Morales MF. A generic and efficient E-field Parallel Imaging Correlator for next-generation radio telescopes Monthly Notices of the Royal Astronomical Society. 467: 715-730. DOI: 10.1093/Mnras/Stx113  0.391
2016 Paul S, Sethi SK, Morales MF, Dwarkanath KS, Shankar NU, Subrahmanyan R, Barry N, Beardsley AP, Bowman JD, Briggs F, Carroll P, de Oliveira-Costa A, Dillon JS, Ewall-Wice A, Feng L, ... ... Thyagarajan N, et al. DELAY SPECTRUM WITH PHASE-TRACKING ARRAYS: EXTRACTING THE H i POWER SPECTRUM FROM THE EPOCH OF REIONIZATION The Astrophysical Journal. 833: 213. DOI: 10.3847/1538-4357/833/2/213  0.441
2016 Beardsley AP, Hazelton BJ, Sullivan IS, Carroll P, Barry N, Rahimi M, Pindor B, Trott CM, Line J, Jacobs DC, Morales MF, Pober JC, Bernardi G, Bowman JD, Busch MP, ... ... Thyagarajan N, et al. FIRST SEASON MWA EOR POWER SPECTRUM RESULTS AT REDSHIFT 7 The Astrophysical Journal. 833: 102. DOI: 10.3847/1538-4357/833/1/102  0.402
2016 Lenc E, Gaensler BM, Sun XH, Sadler EM, Willis AG, Barry N, Beardsley AP, Bell ME, Bernardi G, Bowman JD, Briggs F, Callingham JR, Cappallo RJ, Carroll P, Corey BE, ... ... Thyagarajan N, et al. LOW-FREQUENCY OBSERVATIONS OF LINEARLY POLARIZED STRUCTURES IN THE INTERSTELLAR MEDIUM NEAR THE SOUTH GALACTIC POLE The Astrophysical Journal. 830: 38. DOI: 10.3847/0004-637X/830/1/38  0.302
2016 Neben AR, Bradley RF, Hewitt JN, Deboer DR, Parsons AR, Aguirre JE, Ali ZS, Cheng C, Ewall-Wice A, Patra N, Thyagarajan N, Bowman J, Dickenson R, Dillon JS, Doolittle P, et al. THE HYDROGEN EPOCH of REIONIZATION ARRAY DISH. I. BEAM PATTERN MEASUREMENTS and SCIENCE IMPLICATIONS Astrophysical Journal. 826. DOI: 10.3847/0004-637X/826/2/199  0.451
2016 Jacobs DC, Hazelton BJ, Trott CM, Dillon JS, Pindor B, Sullivan IS, Pober JC, Barry N, Beardsley AP, Bernardi G, Bowman JD, Briggs F, Cappallo RJ, Carroll P, Corey BE, ... ... Thyagarajan N, et al. The murchison widefield array 21 cm power spectrum analysis methodology Astrophysical Journal. 825. DOI: 10.3847/0004-637X/825/2/114  0.427
2016 Thyagarajan N, Parsons AR, DeBoer DR, Bowman JD, Ewall-Wice AM, Neben AR, Patra N. EFFECTS of ANTENNA BEAM CHROMATICITY on REDSHIFTED 21 cm POWER SPECTRUM and IMPLICATIONS for HYDROGEN EPOCH of REIONIZATION ARRAY Astrophysical Journal. 825. DOI: 10.3847/0004-637X/825/1/9  0.461
2016 Pober JC, Hazelton BJ, Beardsley AP, Barry NA, Martinot ZE, Sullivan IS, Morales MF, Bell ME, Bernardi G, Bhat NDR, Bowman JD, Briggs F, Cappallo RJ, Carroll P, Corey BE, ... ... Thyagarajan N, et al. THE IMPORTANCE OF WIDE-FIELD FOREGROUND REMOVAL FOR 21 cm COSMOLOGY: A DEMONSTRATION WITH EARLY MWA EPOCH OF REIONIZATION OBSERVATIONS Astrophysical Journal. 819. DOI: 10.3847/0004-637X/819/1/8  0.46
2016 Trott CM, Pindor B, Procopio P, Wayth RB, Mitchell DA, McKinley B, Tingay SJ, Barry N, Beardsley AP, Bernardi G, Bowman JD, Briggs F, Cappallo RJ, Carroll P, Oliveira-Costa AD, ... ... Thyagarajan N, et al. CHIPS: The COSMOLOGICAL H i POWER SPECTRUM ESTIMATOR Astrophysical Journal. 818. DOI: 10.3847/0004-637X/818/2/139  0.321
2016 Offringa AR, Trott CM, Hurley-Walker N, Johnston-Hollitt M, McKinley B, Barry N, Beardsley AP, Bowman JD, Briggs F, Carroll P, Dillon JS, Ewall-Wice A, Feng L, Gaensler BM, Greenhill LJ, ... ... Thyagarajan N, et al. Parametrizing Epoch of Reionization foregrounds: A deep survey of low-frequency point-source spectra with the Murchison Widefield Array Monthly Notices of the Royal Astronomical Society. 458: 1057-1070. DOI: 10.1093/Mnras/Stw310  0.479
2016 Carroll PA, Line J, Morales MF, Barry N, Beardsley AP, Hazelton BJ, Jacobs DC, Pober JC, Sullivan IS, Webster RL, Bernardi G, Bowman JD, Briggs F, Cappallo RJ, Corey BE, ... ... Thyagarajan N, et al. A high reliability survey of discrete Epoch of Reionization foreground sources in the MWA EoR0 field Monthly Notices of the Royal Astronomical Society. 461: 4151-4175. DOI: 10.1093/Mnras/Stw1599  0.462
2016 Ewall-Wice A, Dillon JS, Hewitt JN, Loeb A, Mesinger A, Neben AR, Offringa AR, Tegmark M, Barry N, Beardsley AP, Bernardi G, Bowman JD, Briggs F, Cappallo RJ, Carroll P, ... ... Thyagarajan N, et al. First limits on the 21 cm power spectrum during the Epoch of X-ray heating Monthly Notices of the Royal Astronomical Society. 460: 4320-4347. DOI: 10.1093/Mnras/Stw1022  0.483
2015 Dillon JS, Neben AR, Hewitt JN, Tegmark M, Barry N, Beardsley AP, Bowman JD, Briggs F, Carroll P, De Oliveira-Costa A, Ewall-Wice A, Feng L, Greenhill LJ, Hazelton BJ, Hernquist L, ... ... Thyagarajan N, et al. Empirical covariance modeling for 21 cm power spectrum estimation: A method demonstration and new limits from early Murchison Widefield Array 128-tile data EMPIRICAL COVARIANCE MODELING for 21 CM POWER .. JOSHUA S. DILLON et al. Physical Review D - Particles, Fields, Gravitation and Cosmology. 91. DOI: 10.1103/Physrevd.91.123011  0.445
2015 Thyagarajan N, Jacobs DC, Bowman JD, Barry N, Beardsley AP, Bernardi G, Briggs F, Cappallo RJ, Carroll P, Deshpande AA, De Oliveira-Costa A, Dillon JS, Ewall-Wice A, Feng L, Greenhill LJ, et al. CONFIRMATION OF WIDE-FIELD SIGNATURES IN REDSHIFTED 21 cm POWER SPECTRA Astrophysical Journal Letters. 807. DOI: 10.1088/2041-8205/807/2/L28  0.483
2015 Thyagarajan N, Jacobs DC, Bowman JD, Barry N, Beardsley AP, Bernardi G, Briggs F, Cappallo RJ, Carroll P, Corey BE, Oliveira-Costa AD, Dillon JS, Emrich D, Ewall-Wice A, Feng L, et al. Foregrounds in wide-field Redshifted 21 cm power spectra Astrophysical Journal. 804. DOI: 10.1088/0004-637X/804/1/14  0.451
2015 Offringa AR, Wayth RB, Hurley-Walker N, Kaplan DL, Barry N, Beardsley AP, Bell ME, Bernardi G, Bowman JD, Briggs F, Callingham JR, Cappallo RJ, Carroll P, Deshpande AA, Dillon JS, ... ... Thyagarajan N, et al. The Low-Frequency Environment of the Murchison Widefield Array: Radio-Frequency Interference Analysis and Mitigation Publications of the Astronomical Society of Australia. 32. DOI: 10.1017/Pasa.2015.7  0.324
2013 Thyagarajan N, Udaya Shankar N, Subrahmanyan R, Arcus W, Bernardi G, Bowman JD, Briggs F, Bunton JD, Cappallo RJ, Corey BE, Desouza L, Emrich D, Gaensler BM, Goeke RF, Greenhill LJ, et al. A study of fundamental limitations to statistical detection of redshifted H i from the epoch of reionization Astrophysical Journal. 776. DOI: 10.1088/0004-637X/776/1/6  0.361
2012 Thyagarajan N, Helfand DJ, White RL, Becker RH. ERRATUM: “VARIABLE AND TRANSIENT RADIO SOURCES IN THE FIRST SURVEY” (2011, ApJ, 742, 49) The Astrophysical Journal. 746: 114. DOI: 10.1088/0004-637X/746/1/114  0.556
2011 Thyagarajan N, Helfand DJ, White RL, Becker RH. Variable and transient radio sources in the first survey Astrophysical Journal. 742. DOI: 10.1088/0004-637X/742/1/49  0.557
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