Dr. A. (Anuradha) Samajdar

Leonard S. Ornsteinlaboratorium
Princetonplein 1
Kamer 2.11
3584 CC Utrecht

Dr. A. (Anuradha) Samajdar

Assistant Professor
Gravitational and Subatomic Physics (GRASP)
+31 30 253 7340
a.samajdar@uu.nl

Publications

2023

Scholarly publications

Janquart, J., Baka, T., Samajdar, A., Dietrich, T., & Van Den Broeck, C. (2023). Analyses of overlapping gravitational wave signals using hierarchical subtraction and joint parameter estimation. Monthly Notices of the Royal Astronomical Society, 523(2), 1699-1710. https://doi.org/10.1093/mnras/stad1542
Puecher, A., Samajdar, A., & Dietrich, T. (2023). Measuring tidal effects with the Einstein Telescope: A design study. Physical Review D, 108(2), Article 023018. https://doi.org/10.1103/PhysRevD.108.023018
Virgo Collaboration (2023). Advanced Virgo Plus: Future Perspectives. Journal of Physics: Conference Series, 2429(1), Article 012040. https://doi.org/10.1088/1742-6596/2429/1/012040
Branchesi, M., Maggiore, M., Alonso, D., Badger, C., Banerjee, B., Beirnaert, F., Belgacem, E., Bhagwat, S., Boileau, G., Borhanian, S., Brown, D. D., Chan, M. L., Cusin, G., Danilishin, S. L., Degallaix, J., De Luca, V., Dhani, A., Dietrich, T., Dupletsa, U., ... Van Den Broeck, C. (2023). Science with the Einstein Telescope: a comparison of different designs. Journal of Cosmology and Astroparticle Physics, 2023(7), Article 068. https://doi.org/10.1088/1475-7516/2023/07/068
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2023). Open Data from the Third Observing Run of LIGO, Virgo, KAGRA, and GEO. Astrophysical Journal, Supplement Series, 267(2), Article 29. https://doi.org/10.3847/1538-4365/acdc9f
LIGO Scientific Collaboration and Virgo Collaboration (2023). Virgo detector characterization and data quality: Results from the O3 run. Classical and Quantum Gravity, 40(18), Article 185006. https://doi.org/10.1088/1361-6382/acd92d
LIGO Scientific Collaboration and Virgo Collaboration (2023). Virgo detector characterization and data quality: Tools. Classical and Quantum Gravity, 40(18), Article 185005. https://doi.org/10.1088/1361-6382/acdf36
Janquart, J., Baka, T., Samajdar, A., Dietrich, T., & Broeck, C. V. D. (2023). Parameter estimation methods for analyzing overlapping gravitational wave signals in the third-generation detector era. arXiv. https://doi.org/10.48550/arXiv.2211.01304

2022

Scholarly publications

LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo. Astronomy and Astrophysics, 659, 1-25. Article A84. https://doi.org/10.1051/0004-6361/202141452
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). Model-based Cross-correlation Search for Gravitational Waves from the Low-mass X-Ray Binary Scorpius X-1 in LIGO O3 Data. Astrophysical Journal Letters, 941(2), 1-19. Article L30. https://doi.org/10.3847/2041-8213/aca1b0
LIGO Scientific Collaboration and Virgo Collaboration (2022). Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run. Physical Review Letters, 129(6), 1-16. Article 061104. https://doi.org/10.1103/PhysRevLett.129.061104
https://dspace.library.uu.nl/bitstream/handle/1874/427019/Abbott_et_al_2022_Search_for_Subsolar_Mass_Binaries_in_the_First_Half_of_Advanced_LIGO_s_and_Advanced_Virgo_s_Third_Observing_Run.pdf?sequence=1
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO's and Advanced Virgo's first three observing runs. Physical Review D, 105(12), 1-23. Article 122001. https://doi.org/10.1103/PhysRevD.105.122001
Virgo Collaboration (2022). Calibration of advanced Virgo and reconstruction of the detector strain h( t) during the observing run O3. Classical and Quantum Gravity, 39(4), 1-50. Article 045006. https://doi.org/10.1088/1361-6382/ac3c8e
https://dspace.library.uu.nl/bitstream/handle/1874/427014/Acernese_2022_Class._Quantum_Grav._39_045006.pdf?sequence=1
Virgo Collaboration (2022). The Virgo O3 run and the impact of the environment. Classical and Quantum Gravity, 39(23), 1-41. Article 235009. https://doi.org/10.1088/1361-6382/ac776a
https://dspace.library.uu.nl/bitstream/handle/1874/426930/Acernese_2022_Class._Quantum_Grav._39_235009.pdf?sequence=1
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data. Physical Review D, 106(6), Article 062002. https://doi.org/10.1103/PhysRevD.106.062002
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data. Physical Review D, 106(10), 1-37. Article 102008. https://doi.org/10.1103/PhysRevD.106.102008
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). Narrowband Searches for Continuous and Long-duration Transient Gravitational Waves from Known Pulsars in the LIGO-Virgo Third Observing Run. Astrophysical Journal, 932(2), 1-27. Article 133. https://doi.org/10.3847/1538-4357/ac6ad0
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). Constraints on dark photon dark matter using data from LIGO's and Virgo's third observing run. Physical Review D, 105(6), 1-20. Article 063030. https://doi.org/10.1103/PhysRevD.105.063030
LIGO Scientific Collaboration, & Virgo Collaboration (2022). First joint observation by the underground gravitational-wave detector KAGRA with GEO 600. Progress of Theoretical and Experimental Physics, 2022(6), 1-37. Article 063F01. https://doi.org/10.1093/ptep/ptac073
LIGO Scientific Collaboration and Virgo Collaboration (2022). Search for Gravitational Waves Associated with Gamma-Ray Bursts Detected by Fermi and Swift during the LIGO-Virgo Run O3b. Astrophysical Journal, 928(2), 1-20. Article 186. https://doi.org/10.3847/1538-4357/ac532b
LIGO Scientific Collaboration and Virgo Collaboration (2022). Search of the early O3 LIGO data for continuous gravitational waves from the Cassiopeia A and Vela Jr. supernova remnants. Physical Review D, 105(8), 1-25. Article 082005. https://doi.org/10.1103/PhysRevD.105.082005
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2022). Search for continuous gravitational waves from 20 accreting millisecond x-ray pulsars in O3 LIGO data. Physical Review D, 105(2), 1-42. Article 022002. https://doi.org/10.1103/PhysRevD.105.022002

2021

Scholarly publications

LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run. Physical Review X, 13(4), Article 041039. https://doi.org/10.1103/PhysRevX.13.041039
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run. Physical Review D, 104(12), 1-24. Article 122004. https://doi.org/10.1103/PhysRevD.104.122004
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run. Physical Review D, 104(10), 1-16. Article 102001. https://doi.org/10.1103/PhysRevD.104.102001
LIGO Scientific Collaboration and Virgo Collaboration (2021). Search for Lensing Signatures in the Gravitational-Wave Observations from the First Half of LIGO-Virgo's Third Observing Run. Astrophysical Journal, 923(1), 1-24. Article 14. https://doi.org/10.3847/1538-4357/ac23db
Archimedes Collaboration, & Virgo Collaboration (2021). High-bandwidth beam balance for vacuum-weight experiment and Newtonian noise subtraction. European Physical Journal Plus, 136(3), 1-14. Article 335. https://doi.org/10.1140/epjp/s13360-021-01214-4
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Constraints from LIGO O3 Data on Gravitational-wave Emission Due to R-modes in the Glitching Pulsar PSR J0537-6910. Astrophysical Journal, 922(1), 1-22. Article 71. https://doi.org/10.3847/1538-4357/ac0d52
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Constraints on Cosmic Strings Using Data from the Third Advanced LIGO-Virgo Observing Run. Physical Review Letters, 126(24), 1-19. Article 241102. https://doi.org/10.1103/PhysRevLett.126.241102
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Upper limits on the isotropic gravitational-wave background from Advanced LIGO and Advanced Virgo's third observing run. Physical Review D, 104(2), 1-27. Article 022004. https://doi.org/10.1103/PhysRevD.104.022004
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Diving below the Spin-down Limit: Constraints on Gravitational Waves from the Energetic Young Pulsar PSR J0537-6910. Astrophysical Journal Letters, 913(2), 1-15. Article L27. https://doi.org/10.3847/2041-8213/abffcd
LIGO Scientific Collaboration and Virgo Collaboration (2021). Population properties of compact objects from the second LIGO-Virgo gravitational-wave transient catalog. Astrophysical Journal Letters, 913(1), 1-41. Article L7. https://doi.org/10.3847/2041-8213/abe949
LIGO Scientific Collaboration and Virgo Collaboration (2021). Tests of general relativity with binary black holes from the second LIGO-Virgo gravitational-wave transient catalog. Physical Review D, 103(12), 1-43. Article 122002. https://doi.org/10.1103/PhysRevD.103.122002
LIGO Scientific Collaboration and Virgo Collaboration (2021). GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo during the First Half of the Third Observing Run. Physical Review X, 11(2), 1-52. Article 021053. https://doi.org/10.1103/PhysRevX.11.021053
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Searches for continuous gravitational waves from young supernova remnants in the early third observing run of advanced LIGO and Virgo. Astrophysical Journal, 921(1), 1-29. Article 80. https://doi.org/10.3847/1538-4357/ac17ea
Dietrich, T., Hinderer, T., & Samajdar, A. (2021). Interpreting binary neutron star mergers: describing the binary neutron star dynamics, modelling gravitational waveforms, and analyzing detections. General Relativity and Gravitation, 53(3), 1-76. Article 27. https://doi.org/10.1007/s10714-020-02751-6
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo's first three observing runs. Physical Review D, 104(2), 1-25. Article 022005. https://doi.org/10.1103/PhysRevD.104.022005
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). Observation of Gravitational Waves from Two Neutron Star-Black Hole Coalescences. Astrophysical Journal Letters, 915(1), 8-24. Article L5. https://doi.org/10.3847/2041-8213/ac082e
LIGO Scientific Collaboration, Virgo Collaboration and KAGRA Collaboration (2021). All-sky search for continuous gravitational waves from isolated neutron stars in the early O3 LIGO data. Physical Review D, 104(8), 1-28. Article 082004. https://doi.org/10.1103/PhysRevD.104.082004
Samajdar, A., Janquart, J., Van Den Broeck, C., & Dietrich, T. (2021). Biases in parameter estimation from overlapping gravitational-wave signals in the third-generation detector era. Physical Review D, 104(4), 1-17. Article 044003. https://doi.org/10.1103/PhysRevD.104.044003
LIGO Scientific Collaboration and Virgo Collaboration (2021). All-sky search in early O3 LIGO data for continuous gravitational-wave signals from unknown neutron stars in binary systems. Physical Review D, 103(6), 1-23. Article 064017. https://doi.org/10.1103/PhysRevD.103.064017
LIGO Scientific Collaboration and Virgo Collaboration (2021). A Gravitational-wave Measurement of the Hubble Constant following the Second Observing Run of Advanced LIGO and Virgo. Astrophysical Journal, 909(2), Article 218. https://doi.org/10.3847/1538-4357/abdcb7
LIGO Scientific Collaboration and Virgo Collaboration (2021). Open data from the first and second observing runs of Advanced LIGO and Advanced Virgo. SoftwareX, 13, 1-22. Article 100658. https://doi.org/10.1016/j.softx.2021.100658

2020

Scholarly publications

Tsang, K. W., Ghosh, A., Samajdar, A., Chatziioannou, K., Mastrogiovanni, S., Agathos, M., & Van Den Broeck, C. (2020). A morphology-independent search for gravitational wave echoes in data from the first and second observing runs of Advanced LIGO and Advanced Virgo. Physical Review D, 101(6), Article 064012. https://doi.org/10.1103/PhysRevD.101.064012
LIGO Scientific Collaboration and Virgo Collaboration (2020). A guide to LIGO-Virgo detector noise and extraction of transient gravitational-wave signals. Classical and Quantum Gravity, 37(5), Article 055002. https://doi.org/10.1088/1361-6382/ab685e
LIGO Scientific Collaboration and Virgo Collaboration (2020). Model comparison from LIGO-Virgo data on GW170817's binary components and consequences for the merger remnant. Classical and Quantum Gravity, 37(4), Article 045006. https://doi.org/10.1088/1361-6382/ab5f7c
LIGO Scientific Collaboration and Virgo Collaboration (2020). Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA. Living Reviews in Relativity, 23(1), Article 3. https://doi.org/10.1007/s41114-020-00026-9
LIGO Scientific Collaboration and Virgo Collaboration (2020). GW190425: Observation of a Compact Binary Coalescence with Total Mass similar to 3.4 MΘ. Astrophysical Journal Letters, 892(1), Article L3. https://doi.org/10.3847/2041-8213/ab75f5
Samajdar, A., & Dietrich, T. (2020). Constructing Love-Q relations with gravitational wave detections. Physical Review D, 101(12), Article 124014. https://doi.org/10.1103/PhysRevD.101.124014
LIGO Scientific Collaboration and Virgo Collaboration (2020). Properties and Astrophysical Implications of the 150 MBinary Black Hole Merger GW190521. Astrophysical Journal Letters, 900(1), Article L13. https://doi.org/10.3847/2041-8213/aba493
LIGO Scientific Collaboration and Virgo Collaboration (2020). Gravitational-wave Constraints on the Equatorial Ellipticity of Millisecond Pulsars. Astrophysical Journal Letters, 902(1), Article L21. https://doi.org/10.3847/2041-8213/abb655
LIGO Scientific Collaboration and Virgo Collaboration (2020). GW190814: Gravitational Waves from the Coalescence of a 23 Solar Mass Black Hole with a 2.6 Solar Mass Compact Object. Astrophysical Journal Letters, 896(2), Article L44. https://doi.org/10.3847/2041-8213/ab960f
LIGO Scientific Collaboration and Virgo Collaboration (2020). GW190412: Observation of a binary-black-hole coalescence with asymmetric masses. Physical Review D, 102(4), Article 043015. https://doi.org/10.1103/PhysRevD.102.043015
LIGO Scientific Collaboration and Virgo Collaboration (2020). A joint Fermi-GBM and LIGO/Virgo analysis of compact binary mergers from the first and second gravitational-wave observing runs. Astrophysical Journal, 893(2), Article 100. https://doi.org/10.3847/1538-4357/ab7d3e
LIGO Scientific Collaboration and Virgo Collaboration (2020). GW190521: A Binary Black Hole Merger with a Total Mass of 150  M⊙. Physical Review Letters, 125(10), Article 101102 . https://doi.org/10.1103/PhysRevLett.125.101102
Virgo Collaboration (2020). Quantum Backaction on kg-Scale Mirrors: Observation of Radiation Pressure Noise in the Advanced Virgo Detector. Physical Review Letters, 125(13), Article 131101. https://doi.org/10.1103/PhysRevLett.125.131101
Asali, Y., Pang, P. T. H., Samajdar, A., & Van Den Broeck, C. (2020). Probing resonant excitations in exotic compact objects via gravitational waves. Physical Review D, 102(2), Article 024016. https://doi.org/10.1103/PhysRevD.102.024016

2019

Scholarly publications

LIGO Scientific Collaboration and Virgo Collaboration (2019). Searches for Continuous Gravitational Waves from 15 Supernova Remnants and Fomalhaut b with Advanced LIGO. Astrophysical Journal, 875(2), Article 122. https://doi.org/10.3847/1538-4357/ab113b
LIGO Scientific Collaboration and Virgo Collaboration (2019). Search for Gravitational-wave Signals Associated with Gamma-Ray Bursts during the Second Observing Run of Advanced LIGO and Advanced Virgo. Astrophysical Journal, 886(1), Article 75. https://doi.org/10.3847/1538-4357/ab4b48
LIGO Scientific Collaboration and Virgo Collaboration (2019). Search for gravitational waves from Scorpius X-1 in the second Advanced LIGO observing run with an improved hidden Markov model. Physical Review D, 100(12), Article 122002. https://doi.org/10.1103/PhysRevD.100.122002
LIGO Scientific Collaboration and Virgo Collaboration (2019). Tests of general relativity with the binary black hole signals from the LIGO-Virgo catalog GWTC-1. Physical Review D, 100(10), Article 104036. https://doi.org/10.1103/PhysRevD.100.104036

2018

Scholarly publications

LIGO Scientific Collaboration and Virgo Collaboration (2018). GW170817: Measurements of Neutron Star Radii and Equation of State. Physical Review Letters, 121(16), Article 161101. https://doi.org/10.1103/PhysRevLett.121.161101