Curriculum vitae

CV

Research interests: stellar-mass and supermassive black holes, accretion and relativistic jets, the Fundamental Plane of black hole activity, the transient universe, and multi-wavelength astronomy.

Employment

  • 2025–
    Associate Research Scientist, Department of Astronomy, Yale University, USA
  • 2024–2025
    Research Associate, Center for Astrophysics and Space Science, NYU Abu Dhabi, UAE
  • 2018–2023
    Postdoctoral Associate, Department of Physics, New York University Abu Dhabi, UAE
  • 2013–2017
    PhD Researcher, Department of Astrophysics, Radboud University, Nijmegen, the Netherlands
  • 2012–2013
    Student Research Assistant, IUCAA, Pune, India

Education

  • 2013–2017
    PhD in Astrophysics, Radboud University Nijmegen, the Netherlands
    Thesis: “Disc–jet coupling in supermassive black holes”
    Advisors: Prof. Dr. Heino Falcke and Dr. Elmar Körding
    Award: FRYE Award for excellence in research
  • 2010–2012
    MSc in Astrophysics, European Joint Master’s Astromundus (University of Innsbruck, Austria; University of Rome Tor Vergata, Italy; University of Göttingen, Germany; University of Belgrade, Serbia)
    Thesis: “The UV and optical spectral properties of broad-line AGN”
    Award: Best Master’s Thesis Award, Grade: Excellent
  • 2007–2010
    BSc (Hons) in Physics, St. Stephen’s College, University of Delhi, India
    Thesis: “Photometric study of the globular cluster M15”
    Award: Raghuvansh K. Balbir Prize

Scholarships, honours and awards

  • 2021–2025
    Affiliate Scientist, Mohammed Bin Rashid Academy of Scientists (MBRAS), the national body representing the UAE’s science community; core member of its Diversity in Science committee
  • 2018
    Individual research travel award, NYU Abu Dhabi, for an international collaboration visit ($1,800)
  • 2015, 2017
    LKBF travel grants, Leids Kerkhoven-Bosscha Fonds, to present at conferences
  • 2017
    RadioNet travel support to attend a radio astronomy workshop in the UK
  • 2015
    FRYE Award, Radboud University, for excellence in research (€3,500)
  • 2013
    Best Astromundus Master’s Thesis Award 2012, Erasmus Mundus Association (€1,000)
  • 2010–2012
    Erasmus Mundus full scholarship, European Commission, for the Master’s programme (€46,000)
  • 2010
    Raghuvansh K. Balbir Prize, St. Stephen’s College, awarded to the student who demonstrates exemplary dedication and effective leadership
  • 2007
    Science Meritorious Award, University of Delhi

Research experience

  • Jul 2026
    Observing scientist, Palomar 200-inch (Hale) Telescope, USA. Planned and carried out a two-night optical photometry campaign with CHIMERA to study variability in compact objects
  • Aug 2023
    Visiting scientist, MIT, Boston, USA. Visited Erin Kara’s group to discuss and collaborate on X-ray binaries (e.g. IGR J17091−3624) and ideas related to changing-look AGN
  • Dec 2022
    Visiting scientist, University of Amsterdam, the Netherlands. Learned the BHJET code and assisted in the supervision of G. Katusiime, an ASPIRE MSc summer student in Sera Markoff’s group
  • Feb 2020
    Observing scientist, ESO New Technology Telescope, La Silla, Chile. Planned and carried out three nights of infrared observations of X-ray binaries
  • Aug–Sep 2018
    Visiting radio astronomer, JIVE, the Netherlands. Analysed 5 GHz EVN data of ten faint radio galaxies with AIPS, with Dr. Zsolt Paragi, to understand their jet power
  • Oct 2017
    Visiting student, Northwestern University, Chicago, USA. Worked with Dr. Deanne Coppejans on radio emission from a sample of white dwarfs with varying magnetic fields, using VLA data
  • Sep 2017
    Visiting student, University of Oxford, UK. Wrote a radio proposal with Prof. Rob Fender to study low-luminosity AGN in the local universe with the AMI-LA radio telescope
  • Sep–Dec 2012
    Student research assistant, IUCAA, Pune, India. Used the 6.4 keV broad iron line in Suzaku X-ray data, with Dr. Gulab Dewangan, to probe the central engine of the radio galaxy 3C 120
  • 2012
    Master’s thesis, Universities of Göttingen and Belgrade. Studied the UV and optical spectral properties of a sample of broad-line AGN with Prof. Dr. Luka Č. Popović and Prof. Dr. Wolfram Kollatschny
  • 2010
    Bachelor’s thesis, St. Stephen’s College, University of Delhi. Carried out a photometric study of the globular cluster M15 with Dr. Sangeeta Sachdeva
  • Dec 2009
    Winter school project, TIFR, Mumbai. Searched for low-frequency QPOs in the black hole binary GRS 1915+105 using RXTE data, as part of the TIFR Winter School on Astronomy and Astrophysics 2009
  • May–Jul 2009
    Visiting student, Raman Research Institute, Bangalore. Carried out a preliminary analysis of extended southern-sky radio sources at 151.5 MHz with the Mauritius Radio Telescope, with Dr. N. Udaya Shankar

Selected successful telescope proposals

  • 2026
    PI, Palomar ToO: Rapid optical variability of X-ray binaries in outburst
  • 2025
    PI, NICER: A NICER archival legacy survey of LMXBs
  • 2025
    PI, NICER: A library of outbursts from accreting X-ray pulsars
  • 2025
    PI, Palomar: Fast optical variability of accreting compact objects
  • 2025
    PI, Swift: Observing the early rise of X-ray transients with Swift
  • 2025
    PI, Swift: A Swift legacy survey of X-ray binaries in outburst
  • 2020–2026
    Co-I, Chandra: Awakening the beast: how are X-ray binary outbursts triggered?
  • 2020–2024
    Co-I, GRAVITY/VLTI: Spatially resolving infrared jets in X-ray binaries
  • 2020–2024
    Co-I, VISIR: Revealing the nature of X-ray binary jets with VISIR
  • 2020–2024
    Co-I, Swift: Observing the early rise of X-ray transients with Swift
  • 2022
    PI, e-MERLIN: Investigating the changing look of NGC 5273
  • 2022
    Co-I, MeerKAT: A MeerKAT look at radio-detected runaway stellar bow shocks
  • 2022
    Co-I, ATCA: Broad-band radio spectra of runaway stellar bow shocks
  • 2022
    Co-I, VLA: Accreting massive black holes in young star clusters
  • 2021
    Co-I, VLT: Polarimetric monitoring of an X-ray binary outburst
  • 2020
    Co-I, NICER: Catching X-ray transients on the rise with XB-NEWS and NICER
  • 2019
    Co-I, SOFI/NTT: IR flickering in Galactic black holes at extremely low accretion rates
  • 2018–2022
    Co-I, VISIR/VLT: Revealing the nature of X-ray binary jets with VISIR
  • 2018, 2019
    Co-I, FORS2/VLT: Optical/IR polarimetric monitoring of transient neutron star X-ray binaries in outburst
  • 2018
    Co-I, AstroSat: Probing the origin of UV emission and the disc/jet connection in the LINER M81
  • 2017
    PI, AMI-LA: Observing ten LLAGN in the nearby universe
  • 2016
    PI, VLA: Palomar 15 GHz survey of active galactic nuclei in the nearby universe
  • 2016
    PI, EVN: Spin dependence of jet power in supermassive black holes
  • 2016
    PI, VLA: The origin of radio emission in low-luminosity nearby galaxies

Teaching

  • 2026
    Lecturer, Time-Domain Multi-Messenger Astronomy Workshop, Bangladesh. X-ray binaries
  • 2023–2024
    Guest lecturer, Optical Astrophysics, BSc (Multi-wavelength Astronomy), NYU Abu Dhabi
  • 2022–2024
    Guest lecturer, Black hole imaging with EHT, BSc Core Curriculum (Space), NYU Abu Dhabi
  • 2021–2023
    Lecturer, annual Astronomy Camp, NYU Abu Dhabi, for meritorious students in the UAE
  • 2020–2021
    Teaching assistant, Space Lab, BSc, NYU Abu Dhabi
  • 2014–2016
    Teaching assistant, Newtonian Cosmology, BSc, Radboud University
  • 2014–2015
    Teaching assistant, Black Holes and Accretion, MSc, Radboud University
  • 2013
    Teaching assistant, The Universe, BSc, Radboud University

Supervision

  • 2025–2027
    Co-supervising William Chang (PhD student, Yale Physics)Papers:‘Machine-learning classification of XRBs and their states’, Chang et al., in prep.
  • 2025–2027
    Co-supervising Katie Ciurleo (Postgraduate Associate, Yale Astronomy)Papers:‘A Life Written in Outbursts: 27 Years of Multiwavelength Monitoring of Aquila X-1’, Saikia, Bailyn, Ciurleo et al. 2026, ApJ, submitted
  • 2023–2025
    Co-supervised the capstone project of Katerina Fialová (NYU Abu Dhabi, BSc)Papers:‘New ideas from old friends: revisiting XTE J1118+480’, Fialová et al., in prep.ATels:Fialová et al. 2025, ATel 17065
    Fialová et al. 2024, ATel 16831
  • 2022–2023
    Assisted in the supervision of G. Katusiime (ASPIRE MSc summer student, University of Amsterdam)Papers:‘New ideas from old friends: revisiting XTE J1118+480’, Katusiime et al., in prep.
  • 2022–2023
    Supervised Jwaher Alnaqbi (NYU Abu Dhabi, research assistant) on projects on compact objectsPapers:‘Long-term optical monitoring of IC 10 X−2’, Alnaqbi, Gelfand, Saikia et al. 2025, ApJ
    ‘Multi-wavelength analysis of BHXB 4U 1543−47’, Saikia, Alnaqbi, Russell et al., in prep.
    ATels:Alnaqbi et al. 2022, ATel 15254
    Alnaqbi et al. 2022, ATel 15719
  • 2021–2022
    Co-supervised the capstone project of Tengiz Ibrayev (NYU Abu Dhabi, BSc)Papers:‘An optical cavity surrounding V404 Cyg’, Russell, Ibrayev, Saikia et al., in prep.
  • 2020–2021
    Co-supervised the capstone project of Eleonora Caruso (NYU Shanghai, BSc)Papers:‘Swift J1357.2−0933 in quiescence and outbursts’, Caruso et al., in prep.ATels:Caruso et al. 2020, ATel 13732
    Caruso et al. 2020, ATel 14132
    Caruso et al. 2020, ATel 14133
    Caruso et al. 2021, ATel 14415
    Caruso et al. 2021, ATel 14623
  • 2019–2020
    Co-supervised the capstone project of Saarah Pirbhoy (NYU Abu Dhabi, BSc)Papers:Saikia, Russell, Pirbhoy et al. 2023, ApJ, 949
    Saikia, Russell, Pirbhoy et al. 2023, MNRAS, 524, 4543
    Russell et al. 2020, MNRAS, 495, 182
    ATels:Pirbhoy et al. 2019, ATel 13120
    Pirbhoy et al. 2020, ATel 13451
  • 2018–2023
    Assisted in the supervision of research projects by C. Blake, A. Sharma and K. Q. Canales (capstone projects), C. Cho and S. Waterval (PhD research projects), and Y. Heikal (internship project)Papers:‘Scaling Up: A global optical/X-ray correlation for reprocessing across black hole masses’, Cho, Russell, Sharma, Saikia et al. 2026, ApJ, submitted
    ‘A misfired outburst in the neutron star X-ray binary Centaurus X-4’, Baglio, Saikia, Russell, Homan, Waterval et al. 2022, ApJ, 930, 20
    ATels:Saikia, Heikal et al. 2020, ATel 13953
    Waterval et al. 2020, ATel 14254
    Saikia, Baglio, Russell, Homan, Waterval et al. 2021, ATel 14302
    Baglio, Russell, Saikia, Waterval et al. 2021, ATel 14332
    Alabarta, Russell, Baglio, Saikia, Bramich, Heikal et al. 2023, ATel 16147

Conferences and seminars

  • Sep 2026
    Invited lecturer, Time-Domain Multi-Messenger Astronomy Workshop, Bangladesh
    X-ray binaries
  • Aug 2026
    Contributed talk, Chandra’s Dynamic Universe, Cambridge, USA
    Awakening the beast: how are X-ray binary outbursts triggered?
  • Feb 2026
    Invited online talk, Independent University, Bangladesh
    Black Holes Across the Universe: One Physics, Many Scales
  • Sep 2025
    Invited panelist, NASA’s 4th TDAMM workshop, Huntsville, AL
    X-ray binaries: panel discussion on community observing plans
  • May 2025
    Invited seminar, Inter-University Centre for Astronomy and Astrophysics, India
    Unified disc–jet coupling across the black hole mass scales
  • May 2025
    Invited seminar, National Centre for Radio Astrophysics, India
    Optical/IR observations of XRBs and disc–jet connections
  • Sep 2024
    Invited seminar, X-ray group, University of Groningen, the Netherlands
    First comprehensive optical study of IGR J17091−3624
  • Jul 2024
    Contributed talk, COSPAR Scientific Assembly, Busan, South Korea
    Exotic optical variations of the BH XRB IGR J17091−3624
  • Feb 2024
    Contributed talk, Variable sources in the Galaxy workshop, NYU Abu Dhabi, UAE
    Outbursts, mini-outbursts and re-flares in X-ray binaries
  • Nov 2023
    HEAD seminar, Center for Astrophysics | Harvard & Smithsonian, USA
    Black hole accretion with optical observations
  • Aug 2023
    Seminar, Chandra/HETG meeting, MIT, USA
    Black hole accretion with optical observations
  • May 2023
    Contributed talk, Microquasar workshop, Crete, Greece
    High-amplitude optical variations in Swift J1910 at quiescence
  • Feb 2023
    Invited seminar, Khalifa University, Abu Dhabi, UAE
    Understanding accretion in black holes with optical telescopes
  • Jan 2023
    Invited seminar, Accretion group, University of Amsterdam, the Netherlands
    Low-level accretion in quiescence: the case of Swift J1910
  • Dec 2022
    Discussion lead, Idea session, Lorentz Center, the Netherlands
    Multi-wavelength observations of changing-look AGN
  • Sep 2022
    Contributed talk, ThunderKAT workshop, South Africa
    Understanding black hole accretion in quiescence
  • Aug 2022
    Invited seminar, THEAPA meeting, University of Cambridge, UK
    Understanding black hole accretion with optical telescopes
  • Jul 2022
    Two contributed talks, COSPAR Scientific Assembly, Greece
    High-amplitude optical variations in Swift J1910; A multi-wavelength study of GRS 1716−249 in outburst
  • May 2022
    Contributed talk, Growing Black Holes, Nepal
    Optical monitoring of BHXRB Swift J1910 in quiescence
  • Jan 2022
    Invited seminar, Jagannath Barooah College, Assam, India
    Mysteries of the Universe
  • Sep 2021
    Contributed talk, 9th Microquasar Workshop, Italy
    Black hole X-ray binary Lorentz factors
  • Jan 2021
    Two contributed talks, COSPAR Scientific Assembly, Australia
    Constraining the fundamental plane of black hole activity; Black hole X-ray binary Lorentz factors
  • Oct 2020
    Contributed talk, Chandra Frontiers in Time-Domain Science, USA
    X-ray Binary New Early Warning System (XB-NEWS)
  • Sep 2020
    Invited seminar, Joint Institute for VLBI ERIC (JIVE), the Netherlands
    Relativistic jets in black hole X-ray binaries
  • Aug 2020
    Invited seminar, ARGI Author series, Independent University, Bangladesh
    Disc/jet coupling in black holes
  • Jul 2019
    Contributed talk, High Energy Phenomena in Relativistic Outflows, Spain
    Lorentz factor of compact jets in black hole X-ray binaries
  • May 2019
    Contributed talk, Outflows 2019, Amsterdam, the Netherlands
    Lorentz factor of compact jets in black hole X-ray binaries
  • May 2019
    Contributed talk, Cosmic Explosions summer school, Cargèse, France
    How relativistic are X-ray binary jets?
  • Nov 2018
    Contributed talk, Sharjah International Conference, UAE
    How fast are the jets in stellar-mass black holes?
  • Oct 2017
    Invited seminar, Northwestern University, Chicago, USA
    Mass-scaling of black holes
  • Oct 2017
    Department seminar, WHAM, Radboud University, the Netherlands
    Lorentz factor of compact jets from the fundamental plane
  • Sep 2017
    Invited seminar, University of Oxford, UK
    The Fundamental Plane of black hole activity
  • Sep 2017
    Invited seminar, University of Southampton, UK
    The Fundamental Plane of black hole activity
  • May 2017
    Contributed talk, 70th Dutch Astronomy Conference, Nijmegen, the Netherlands
    Radio flux at 1.4 GHz on the Fundamental Plane
  • Apr 2017
    Contributed talk, Quasars at All Cosmic Epochs, Padova, Italy
    1.4 GHz on the fundamental plane to probe nuclear activity of AGN
  • Nov 2016
    Poster, NOVA IRB meeting, the Netherlands
    The optical Fundamental Plane of black hole activity
  • May 2016
    Poster, Blazars through Sharp Multi-Wavelength Eyes, Málaga, Spain
    Using the Fundamental Plane to constrain jet physics
  • Oct 2015
    Contributed talk, Extragalactic Relativistic Jets, Bangalore, India
    Constraining jet physics with the Fundamental Plane
  • Jan 2015
    Department seminar, WHAM, Radboud University, the Netherlands
    Disc/jet coupling in black holes
  • Oct 2014
    Contributed talk, Netherlands Accretion and Jet Theory Meeting, the Netherlands
    Optical Fundamental Plane of black hole activity
  • Jun 2014
    Poster, The X-ray Universe 2014, Dublin, Ireland
    Optical version of the Fundamental Plane of black hole activity
  • Apr 2012
    Contributed talk, Workshop on AGN and Gravitational Lensing, Andrevlje, Serbia
    Optical/UV spectral properties of a sample of broad-line AGN

Service, outreach and community

  • 2026–
    Reviewer, NASA Astrophysics Guest Observer proposal panels (NuSTAR, NICER, Chandra, IXPE and other missions)
  • 2023–2026
    Telescope scheduler, ThunderKAT and X-KAT (MeerKAT open-time programme on X-ray binaries; PI Rob Fender)
  • 2023
    Local Organising Committee, international conference on Timescales in Astrophysics, UAE
  • 2023–2025
    Public talks at remote government schools in the UAE, Scientists in Residence programme of MBRAS
  • 2022–
    Reviewer of optical/infrared telescope proposals for the European Southern Observatory
  • 2022–
    Inaugural associate member, Center of Astronomy, Space Science and Astrophysics, Independent University, Bangladesh (the first astronomy research centre in Bangladesh)
  • 2021–
    Referee for Nature, ApJ, MNRAS, Advances in Space Research, and Astrophysics and Space Science
  • 2021–
    Life member, Astronomical Society of India
  • 2021–2023
    Core member, Diversity in Science Committee, MBRAS. Led a nationwide survey on factors affecting the retention of women scientists in the UAE
  • 2021–2023
    Lecturer, annual Astronomy Camps for students in the UAE, NYU Abu Dhabi
  • 2018–
    Member of the LeMMINGs (e-MERLIN) and ThunderKAT (MeerKAT) collaborations
  • 2017–2023
    Guided NYU Abu Dhabi students on astronomy trips to the Sharjah Planetarium
  • 2013–2017
    Outreach volunteer, Radboud University telescope nights
  • 2011–
    Public talks on astrophysics reaching more than 3,500 students in India
  • 2010–
    Global coordinator, SPIC MACAY youth cultural movement (1,000+ chapters worldwide)
  • 2010–2020
    Science, space and travel blog with more than 35,000 readers

Technical skills

  • Programming
    Python, IDL; basics of C and Fortran
  • Astronomy
    CASA, AIPS, IRAF, DAOPHOT, ds9, TOPCAT, Gasgano, XSPEC
  • Systems
    macOS, UNIX/Linux, Windows, LaTeX

Publications

68 refereed papers published or accepted, including 10 as first author, plus 5 more submitted. 87 Astronomer’s Telegrams and GCN circulars, 17 as first author. Google Scholar, as of 15 October 2026: 1,429 citations, h-index 21, i10-index 37.

Full publication list