• The Return of GOLUM: Improving Distributed Joint Parameter Estima tion for Strongly-Lensed Gravitational Waves , J. Janquart, K. Haris, O.A. Hannuksela, C. Van Den Broeck, arXiv:2304.12148 (Under Review) 

• Constraints on compact dark matter from gravitational wave microlensing. S. Bask, A. Ganguly, K. Haris, S. Kapadia, A.K. Mehta, P. Ajith, Astrophysical Journal Letters 926:L28 (2022), arXiv:2109.06456. 

• A fast and precise methodology to search for and analyse strongly lensed gravitational-wave events. , CV J. Janquart, O.A. Hannuksela, K. Haris, C. Van Den Broeck, MNRAS stab1991, 0035-8711 (2021), arXiv:2105.04536. 

• Testing the nature of gravitational-wave polarizations using strongly lensed signals. , S. Goyal, K. Haris, A.K. Mehta, P. Ajith, Phys. Rev. D 103, 024038 (2021), arXiv:2008.07060. 

• Search for gravitational lensing signatures in LIGO and Virgo events. O.A. Hannuksela, K. Haris , K.K.Y. Ng, S. Kumar, A.K. Mehta, D. Keitel, T.G.F. Li, P. Ajith, Astrophysical Journal Letters 874:L2 (2019), arXiv:1901.02674. 

• Identifying strongly lensed gravitational wave signals from binary black hole mergers. K. Haris, A. K. Mehta, S. Kumar, T. Venumadhav, P. Ajith, arXiv:1807.07062 (2018). 

• Performance comparison of multidetector detection statistics in targeted compact binary coalescence gravitational wave searches. K. Haris, Archana Pai, Phys. Rev. D 96, 102002 (2017), arXiv:1606.03867. 

• A stochastic template bank for gravitational wave searches for precessing neutron star - black hole coalescence events. Nathaniel Indik, K. Haris, Tito Dal Canton, Henning Fehrmann, Badri Krishnan, Andrew Lundgren, Alex Nielsen, and Archana Pai., Phys. Rev. D 95, 064056 (2017), arXiv:1612.05173. 

• Study of statistical properties of hybrid statistic in coherent multi-detector CBC Search. K. Haris, Archana Pai, Phys. Rev. D 93, 102002 (2016), arXiv:1512.00655. 

• Synthetic streams in a gravitational wave inspiral search with a multi detector network. K. Haris, Archana Pai, Phys. Rev. D 90, 022003 (2014), arXiv:1401.7967. 

• Sensitivity of multi-detector hybrid statistic in CBC search. K. Haris, Vinaya Valsan, Archana Pai, arXiv:1701.03952 (2017). 

Selected LVK Collaboration Publications

• Search for gravitational-lensing signatures in the full third observing run of the LIGO-Virgo network. R. Abbott et al. [LIGO Scientific and Virgo Collaborations], arXiv:2304.08393, LIGO DCC No. LIGO-P2200031 (Under Review). 

• Tests of General Relativity with GWTC-3. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], arXiv:2112.06861, LIGO DCC No. P2100275. 

• Search for lensing signatures in the gravitational-wave observations from the first half of LIGO-Virgo’s third observing run. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Astrophysical Journal 923, 14 (2021), arXiv:2105.06384, LIGO DCC No. P1800316. 

• Tests of general relativity with binary black holes from the second LIGO-Virgo gravitational-wave transient catalog. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev. D 103, 122002 (2021), arXiv:2010.14529, LIGO DCC No. P2000091. 

• Tests of General Relativity with the Binary Black Hole Signals from the LIGO-Virgo Catalog GWTC-1. B. P. Abbott et al. [LIGO Sci entific and Virgo Collaborations], Phys. Rev. D 100, 104036 (2019), arXiv:1903.04467 (2019), LIGO DCC No. P1800316. 

• GWTC-1: A Gravitational-Wave Transient Catalog of Compact Bi nary Mergers Observed by LIGO and Virgo during the First and Sec ond Observing Runs. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev. X 9, 031040 (2019), arXiv:1811.12907. 

• Binary Black Hole Mergers in the first Advanced LIGO Observing Run. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev. X 6, 041015 (2016), arXiv:1606.04856

• GW151226: Observation of Gravitational Waves from a 22-Solar Mass Binary Black Hole Coalescence. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev. Lett. 116, 241103 (2016),arXiv:1606.04855.

• Observation of Gravitational Waves from a Binary Black Hole Merger. B. P. Abbott et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev.Lett. 116, 061102 (2016), arXiv:1602.03837.

•  Search for Gravitational Waves Associated with γ-ray Bursts Detected by the Interplanetary Network. J. Aasi et al. [LIGO Scientific and Virgo Collaborations], Phys. Rev. Lett. 113, 011102 (2014),arXiv:1403.6639.

• 9th Meeting on CPT and Lorentz Symmetry, Indiana University, Blooming ton (2022), Presented a talk titled Constraints gravitational wave dispersionand the mass of the graviton from Gravitational Wave Observations.

• 30th IAGRG meet, BITS Pilani Hyderabad (2019), Presented a talk titled Identifying strongly lensed gravitational wave signals from binary black hole mergers.

• GWPAW 2018, Maryland, USA , Presented a talk titled Search for lensing signatures in LIGO and Virgo events.

• LVC meeting, Maastricht, Netherlands (2018), Presented a talk titled Search for strongly lensed gravitational wave signals from binary black hole mergers.

• LVC meeting, CERN, Switzerland (2017), Presented a talk titled Identifying strongly lensed gravitational wave signals from binary black hole mergers.

• 29th IAGRG meet, IIT Guwahati (2017), Presented a talk titled Bayesian identification of strongly lensed GW events.

• 34th Meeting of the Astronomical Society of India, University of Kashmir (2016), Presented a poster titled Performance comparison of Hybrid statistic with MLR statistic in coherent multi-detector CBC GW search context.

• 8th International Conference on Gravitation and Cosmology (ICGC), IISER Mohali (2015), Presented a talk titled MLR vs Bayesian approach for the targeted multi-detector GW search from Compact Binary Sources.

• 28th IAGRG meet, RRI Bangalore (2015), Presented a poster titled Exploring MLR/Correlation Techniques In All Sky CBC GW Search.

• 33rd Meeting of the Astronomical Society of India, NCRA, Pune (2015),Presented a poster titled Aperture Synthesis in GW inspiral search.

• GWPAW 2013, IUCAA Pune, Presented a poster titled Synthetic Streams mimic GW Multi-detector network.

• LVC meeting, Hannover, Germany (2013), Presented a poster titled Synthetic Streams mimic GW Multi-detector network.

• 27th IAGRG Meeting, Srinagar (2013), Presented a poster titled Targeted coherent multi-detector search for CBC sources.

Mentoring 

• Einstein medal (2017) from the Einstein Society with other members of LIGOcollaboration.

• Special Breakthrough Prize in Fundamental Physics (2016) with other members of LIGO-Virgo collaboration.

• Junior Research Fellowship from University Grants Commission, India (2011).

• LIGO Virgo KAGRA Scientific (LVK) Collaboration

• Einstein Telescope collaboration

• Indian Association for General Relativity and Gravitation (IAGRG)

I am a researcher working on gravitational wave astronomy. My primary research interest is in developing and performing gravitational wave searches for compact binary systems and probing astrophysics of it’s sources.