All Stories

  1. The CHARA Array Polarization Model and Prospects for Spectropolarimetry

    Article • The Astronomical Journal, November 2025, American Astronomical Society

    Narsireddy Anugu

  2. Orbital and Physical Properties of the Pleiades Binary 27 Tau (Atlas)

    Article • The Astrophysical Journal, September 2025, American Astronomical Society

    Narsireddy Anugu

  3. The Small Separation A-star Companion Population: Tentative Signatures of Enhanced Multiplicity with Primary Mass

    Article • The Astrophysical Journal, August 2025, American Astronomical Society

    Narsireddy Anugu

  4. Precise Age for the Binary HD 21278 in the Young α Persei Cluster

    Article • The Astrophysical Journal, July 2025, American Astronomical Society

    Narsireddy Anugu

  5. HD 143006: interferometric confirmation of misaligned protoplanetary disc with CHARA/MIRCX and VLTI/PIONIER

    Article • Monthly Notices of the Royal Astronomical Society, June 2025, Oxford University Press (OUP)

    Narsireddy Anugu

  6. The Dynamic Inner Disk of a Planet-forming Star

    Article • The Astronomical Journal, May 2025, American Astronomical Society

    Narsireddy Anugu

  7. Multiplicity of Galactic Cepheids from long-baseline interferometry

    Article • Astronomy and Astrophysics, January 2025, EDP Sciences

    Narsireddy Anugu

  8. A Spectroscopic and Interferometric Study of W Serpentis Stars. I. Circumbinary Outflow in the Interacting Binary W Serpentis

    Article • The Astrophysical Journal, December 2024, American Astronomical Society

    Narsireddy Anugu

  9. Visual Orbits of Wolf–Rayet Stars. I. The Orbit of the Dust-producing Wolf–Rayet Binary WR 137 Measured with the CHARA Array

    Article • The Astrophysical Journal, December 2024, American Astronomical Society

    Narsireddy Anugu

  10. Visual Orbits of Wolf–Rayet Stars. II. The Orbit of the Nitrogen-rich Wolf–Rayet Binary WR 138 Measured with the CHARA Array

    Article • The Astrophysical Journal, December 2024, American Astronomical Society

    Narsireddy Anugu

  11. First on-sky interference fringes at 810 nm with the CHARA array using servo controlled hectometric outdoor fibre links

    Article • Monthly Notices of the Royal Astronomical Society, November 2024, Oxford University Press (OUP)

    Narsireddy Anugu

  12. CHARA Near-infrared Imaging of the Yellow Hypergiant Star ρ Cassiopeiae: Convection Cells and Circumstellar Envelope

    Article • The Astrophysical Journal, October 2024, American Astronomical Society

    Narsireddy Anugu

  13. Time Evolution Images of the Hypergiant RW Cephei during the Rebrightening Phase Following the Great Dimming

    Article • The Astrophysical Journal Letters, September 2024, American Astronomical Society

    Narsireddy Anugu

  14. The Orbit and Mass of the Cepheid AW Per ∗

    Article • The Astrophysical Journal, September 2024, American Astronomical Society

    Narsireddy Anugu

  15. CHARA/Silmaril instrument software and data reduction pipeline: characterization of the instrument in the lab and on-sky

    Article • August 2024, SPIE

    Narsireddy Anugu

  16. The Orbit and Dynamical Mass of Polaris: Observations with the CHARA Array

    Article • The Astrophysical Journal, August 2024, American Astronomical Society

    Narsireddy Anugu

  17. Orbits and Dynamical Masses for Six Binary Systems in the Hyades Cluster

    Article • The Astrophysical Journal, August 2024, American Astronomical Society

    Narsireddy Anugu

  18. Reconstructing the near- to mid-infrared environment in the stellar merger remnant V838 Monocerotis

    Article • Astronomy and Astrophysics, June 2024, EDP Sciences

    Narsireddy Anugu

  19. Vortex Fiber Nulling for Exoplanet Observations: First Direct Detection of M Dwarf Companions around HIP 21543, HIP 94666, and HIP 50319

    Article • The Astrophysical Journal Letters, April 2024, American Astronomical Society

    Narsireddy Anugu

  20. The CHARA Array Interferometric Program on the Multiplicity of Classical Be Stars: New Detections and Orbits of Stripped Subdwarf Companions

    Article • The Astrophysical Journal, February 2024, American Astronomical Society

    Narsireddy Anugu

  21. Orbits and dynamical masses for the active Hyades multiple system HD 284163

    Article • Monthly Notices of the Royal Astronomical Society, November 2023, Oxford University Press (OUP)

    Narsireddy Anugu

  22. AC Her: Evidence of the First Polar Circumbinary Planet

    Article • The Astrophysical Journal Letters, November 2023, American Astronomical Society

    Narsireddy Anugu

  23. The MAPS adaptive secondary mirror: first light, laboratory work, and achievements

    Article • October 2023, SPIE

    Narsireddy Anugu

  24. 2023 Astrophotonics Roadmap: pathways to realizing multi-functional integrated astrophotonic instruments

    Article • Journal of Physics Photonics, October 2023, Institute of Physics Publishing

    Narsireddy Anugu

  25. Imaging the warped dusty disk wind environment of SU Aurigae with MIRC-X

    Article • Astronomy and Astrophysics, September 2023, EDP Sciences

    Narsireddy Anugu

  26. Refining the Stellar Parameters of τ Ceti: a Pole-on Solar Analog

    Article • The Astronomical Journal, August 2023, American Astronomical Society

    Narsireddy Anugu

  27. The Great Dimming of the Hypergiant Star RW Cephei: CHARA Array Images and Spectral Analysis

    Article • The Astronomical Journal, July 2023, American Astronomical Society

    Narsireddy Anugu

  28. Precise Age for the Binary Star System 12 Com in the Coma Berenices Cluster

    Article • The Astronomical Journal, June 2023, American Astronomical Society

    Narsireddy Anugu

  29. MYSTIC: a high angular resolution K-band imager at CHARA

    Article • Journal of Astronomical Telescopes Instruments and Systems, June 2023, SPIE

    Narsireddy Anugu

  30. Three-dimensional Orbit of AC Her Determined: Binary-induced Truncation Cannot Explain the Large Cavity in This Post-AGB Transition Disk

    Article • The Astrophysical Journal, June 2023, American Astronomical Society

    Narsireddy Anugu

  31. Imaging the Inner Astronomical Unit of the Herbig Be Star HD 190073

    Article • The Astrophysical Journal, April 2023, American Astronomical Society

    Narsireddy Anugu

  32. Multiplicity of northern bright O-type stars with optical long baseline interferometry

    Article • Astronomy and Astrophysics, March 2023, EDP Sciences

    Narsireddy Anugu

  33. The Orbits and Dynamical Masses of the Castor System

    Article • The Astrophysical Journal, December 2022, American Astronomical Society

    Narsireddy Anugu

  34. The Small Separation A-star Companion Population: First Results with CHARA/MIRC-X

    Article • The Astrophysical Journal, December 2022, American Astronomical Society

    Narsireddy Anugu

  35. Visual Orbits of Spectroscopic Binaries with the CHARA Array. IV. HD 61859, HD 89822, HD 109510, and HD 191692

    Article • The Astronomical Journal, November 2022, American Astronomical Society

    Narsireddy Anugu

  36. Dynamical Masses of the Primary Be Star and Secondary sdB Star in the Single-lined Binary κ Dra (B6 IIIe)

    Article • The Astrophysical Journal, November 2022, American Astronomical Society

    Narsireddy Anugu

  37. ARMADA. II. Further Detections of Inner Companions to Intermediate-mass Binaries with Microarcsecond Astrometry at CHARA and VLTI

    Article • The Astronomical Journal, October 2022, American Astronomical Society

    Narsireddy Anugu

  38. A detailed analysis of the Gl 486 planetary system

    Article • Astronomy and Astrophysics, September 2022, EDP Sciences

    Professor David Montes, Narsireddy Anugu

  39. Characterising the orbit and circumstellar environment of the high-mass binary MWC 166 A

    Article • Astronomy and Astrophysics, September 2022, EDP Sciences

    Narsireddy Anugu

  40. A near-infrared pyramid wavefront sensor for the MMT

    Article • August 2022, SPIE

    Narsireddy Anugu

  41. Status update for MAPS, the MMT AO exoPlanet characterization System

    Article • August 2022, SPIE

    Narsireddy Anugu

  42. A thesis to probe unique exoplanet regimes with micro-arcsecond astrometry and precision closure phases at CHARA and VLTI

    Article • August 2022, SPIE

    Narsireddy Anugu

  43. Beam combiner for the Asgard/BIFROST instrument

    Article • August 2022, SPIE

    Narsireddy Anugu

  44. CHARA/SPICA: a 6-telescope visible instrument for the CHARA Array

    Article • August 2022, SPIE

    Narsireddy Anugu

  45. High spectral-resolution interferometry down to 1 micron with Asgard/BIFROST at VLTI: science drivers and project overview

    Article • August 2022, SPIE

    Narsireddy Anugu

  46. MYSTIC: a high angular resolution K-band imager at CHARA

    Article • August 2022, SPIE

    Narsireddy Anugu

  47. Recent technical and scientific highlights from the CHARA Array

    Article • August 2022, SPIE

    Narsireddy Anugu

  48. SPICA-FT: the new fringe tracker of the CHARA array

    Article • August 2022, SPIE

    Narsireddy Anugu

  49. The CHARA Michelson Array Pathfinder

    Article • August 2022, SPIE

    Narsireddy Anugu

  50. The Interferometric Binary ϵ Cnc in Praesepe: Precise Masses and Age

    Article • The Astronomical Journal, July 2022, American Astronomical Society

    Narsireddy Anugu

  51. Interferometric Detections of sdO Companions Orbiting Three Classical Be Stars

    Article • The Astrophysical Journal, February 2022, American Astronomical Society

    Narsireddy Anugu

  52. Scattering and sublimation: a multiscale view of µm-sized dust in the inclined disc of HD 145718

    Article • Monthly Notices of the Royal Astronomical Society, January 2022, Oxford University Press (OUP)

    Narsireddy Anugu

  53. EXPRES. III. Revealing the Stellar Activity Radial Velocity Signature of ϵ Eridani with Photometry and Interferometry

    Article • The Astronomical Journal, December 2021, American Astronomical Society

    Narsireddy Anugu

  54. ν Gem: A Hierarchical Triple System with an Outer Be Star

    Article • The Astrophysical Journal, July 2021, American Astronomical Society

    Narsireddy Anugu

  55. A dusty veil shading Betelgeuse during its Great Dimming

    Article • Nature, June 2021, Springer Science + Business Media

    Narsireddy Anugu

  56. The orbit and stellar masses of the archetype colliding-wind binary WR 140

    Article • Monthly Notices of the Royal Astronomical Society, April 2021, Oxford University Press (OUP)

    Narsireddy Anugu

  57. The First Dynamical Mass Determination of a Nitrogen-rich Wolf–Rayet Star Using a Combined Visual and Spectroscopic Orbit

    Article • The Astrophysical Journal Letters, February 2021, American Astronomical Society

    Narsireddy Anugu

  58. Viscous heating in the disk of the outbursting star FU Orionis

    Article • Astronomy and Astrophysics, February 2021, EDP Sciences

    Narsireddy Anugu

  59. ARMADA. I. Triple Companions Detected in B-type Binaries α Del and ν Gem

    Article • The Astronomical Journal, December 2020, American Astronomical Society

    Narsireddy Anugu

  60. A new frontier for J-band interferometry: dual-band NIR interferometry with MIRC-X

    Article • December 2020, SPIE

    Narsireddy Anugu

  61. CHARA array adaptive optics: complex operational software and performance

    Article • December 2020, SPIE

    Narsireddy Anugu

  62. CHARA/MIRC-X: a high-sensitive six telescope interferometric imager concept, commissioning and early science

    Article • December 2020, SPIE

    Narsireddy Anugu

  63. Design and development of a high-speed visible pyramid wavefront sensor for the MMT AO system

    Article • December 2020, SPIE

    Narsireddy Anugu

  64. Development and status of MAPS, the MMT AO exoPlanet characterization system

    Article • December 2020, SPIE

    Narsireddy Anugu

  65. Laboratory testing and calibration of the upgraded MMT adaptive secondary mirror

    Article • December 2020, SPIE

    Narsireddy Anugu

  66. MIRC-X polarinterferometry at CHARA

    Article • December 2020, SPIE

    Narsireddy Anugu

  67. Overview and prospects of the LBTI beyond the completed HOSTS survey

    Article • December 2020, SPIE

    Narsireddy Anugu

  68. Progress of the CHARA/SPICA project

    Article • December 2020, SPIE

    Narsireddy Anugu

  69. VLTI images of circumbinary disks around evolved stars

    Article • December 2020, SPIE

    Narsireddy Anugu

  70. The Great Dimming of Betelgeuse from the VLT/VLTI

    Article • Proceedings of the International Astronomical Union, November 2020, Cambridge University Press

    Narsireddy Anugu

  71. MIRC-X: A Highly Sensitive Six-telescope Interferometric Imager at the CHARA Array

    Article • The Astronomical Journal, September 2020, American Astronomical Society

    Narsireddy Anugu

  72. A triple-star system with a misaligned and warped circumstellar disk shaped by disk tearing

    Article • Science, September 2020, American Association for the Advancement of Science

    Narsireddy Anugu

  73. Betelgeuse scope: single-mode-fibers-assisted optical interferometer design for dedicated stellar activity monitoring

    Article • August 2020, SPIE

    Narsireddy Anugu

  74. Optical interferometry and Gaia measurement uncertainties reveal the physics of asymptotic giant branch stars

    Article • Astronomy and Astrophysics, August 2020, EDP Sciences

    Narsireddy Anugu

  75. Modeling the e-APD SAPHIRA/C-RED ONE camera at low flux level

    Article • Astronomy and Astrophysics, May 2019, EDP Sciences

    Narsireddy Anugu

  76. First direct detection of an exoplanet by optical interferometry. Astrometry and K-band spectroscopy of HR8799 e

    Article • Astronomy and Astrophysics, March 2019, EDP Sciences

    Narsireddy Anugu

  77. Multiple star systems in the Orion nebula

    Article • Astronomy and Astrophysics, December 2018, EDP Sciences

    Narsireddy Anugu

  78. GRAVITY chromatic imaging of η Car’s core

    Article • Astronomy and Astrophysics, October 2018, EDP Sciences

    Narsireddy Anugu

  79. Astronomical interferometry with near-IR e-APD at CHARA: characterization, optimization and on-sky operation

    Article • July 2018, SPIE

    Narsireddy Anugu

  80. MIRC-X/CHARA: sensitivity improvements with an ultra-low noise SAPHIRA detector

    Article • July 2018, SPIE

    Narsireddy Anugu

  81. MYSTIC: Michigan Young STar Imager at CHARA

    Article • July 2018, SPIE

    Narsireddy Anugu

  82. The MIRC-X 6-telescope imager: Key science drivers, instrument design and operation

    Article • July 2018, SPIE

    Narsireddy Anugu

  83. Detection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole

    Article • Astronomy and Astrophysics, July 2018, EDP Sciences

    Narsireddy Anugu

  84. A Low Cost Auto-filling and Refrigeration Rate Regulated Liquid Nitrogen Controller for Near Infrared Instruments

    Article • U Porto Journal of Engineering, March 2018, Faculdade de Engenharia - Universidade do Port

    Narsireddy Anugu

  85. Methods for multiple-telescope beam imaging and guiding in the near-infrared

    Article • Monthly Notices of the Royal Astronomical Society, February 2018, Oxford University Press (OUP)

    Narsireddy Anugu

  86. Peak-locking centroid bias in Shack–Hartmann wavefront sensing

    Article • Monthly Notices of the Royal Astronomical Society, January 2018, Oxford University Press (OUP)

    Narsireddy Anugu

  87. The wind and the magnetospheric accretion onto the T Tauri star S Coronae Australis at sub-au resolution

    Article • Astronomy and Astrophysics, December 2017, EDP Sciences

    Narsireddy Anugu

  88. Submilliarcsecond Optical Interferometry of the High-mass X-Ray Binary BP Cru with VLTI/GRAVITY

    Article • The Astrophysical Journal, July 2017, American Astronomical Society

    Narsireddy Anugu

  89. First light for GRAVITY: Phase referencing optical interferometry for the Very Large Telescope Interferometer

    Article • Astronomy and Astrophysics, June 2017, EDP Sciences

    Narsireddy Anugu

  90. Accretion-ejection morphology of the microquasar SS 433 resolved at sub-au scale

    Article • Astronomy and Astrophysics, June 2017, EDP Sciences

    Narsireddy Anugu

  91. A High-mass Protobinary System with Spatially Resolved Circumstellar Accretion Disks and Circumbinary Disk

    Article • The Astrophysical Journal Letters, January 2017, American Astronomical Society

    Narsireddy Anugu

  92. GRAVITY acquisition camera software: characterization results

    Article • August 2016, SPIE

    Narsireddy Anugu

  93. The GRAVITY/VLTI acquisition camera software

    Article • July 2014, SPIE

    Narsireddy Anugu

  94. The GRAVITY instrument software/hardware related aspects

    Article • July 2014, SPIE

    Narsireddy Anugu

  95. The GRAVITY instrument software/high-level software

    Article • July 2014, SPIE

    Narsireddy Anugu

  96. Integration and testing of the GRAVITY infrared camera for multiple telescope optical beam analysis

    Article • July 2014, SPIE

    Narsireddy Anugu

  97. Near-infrared aberration tracking using a correlation algorithm on the Galactic Center

    Article • July 2014, SPIE

    Narsireddy Anugu

  98. Study of atmospheric turbulence with Shack Hartmann wavefront sensor

    Article • Journal of Optics, January 2013, Springer Science + Business Media

    Narsireddy Anugu

  99. The final design of the GRAVITY acquisition camera and associated VLTI beam monitoring strategy

    Article • September 2012, SPIE

    Narsireddy Anugu