Publications and Talks

Publications as Primary author (first and second authorship)

• Krishnamurthy, V., Carteret, Y., et al., (2025) "Continuous helium absorption from the leading and trailing tails of WASP-107b", Nature Astronomy, 1-13.

• Krishnamurthy, V., & Cowan, N.B., (2024), "Helium in Exoplanet Exospheres: Orbital and Stellar Influences" The Astronomical Journal, 168, 30.

• Krishnamurthy, V., Hirano, T., et al., (2023), "Absence of extended atmospheres in low-mass star Radius-gap planets." Monthly Notices of the Royal Astronomical Society, 521.1: 1210-1220.

• Krishnamurthy, V., Hirano, T., Stefansson, G., et al. (2021), "Non-detection of Helium in the upper atmospheres of TRAPPIST-1b, e and f." The Astronomical Journal, 162, 82.

• Hirano, T., Krishnamurthy, V., Gaidos, E., ... & Hodapp, K. (2020), "Limits on the Spin–Orbit Angle and Atmospheric Escape for the 22 Myr Old Planet AU Mic b". The Astrophysical Journal Letters, 899(1), L13.

• Vigneshwaran K, et al, “Computational study of the aerodynamics of the gliding snake Chrysopelea Paradisi,” International Journal of Applied Engineering Research, Vol. 10,2015, pp.14476 – 14479.

Invited Summary & Research Briefing:

• Krishnamurthy, V (2025), "JWST tracks helium escape from the atmosphere of the exoplanet WASP-107 b.” Nature Astronomy – Research Briefing.

Publications as nth author:

• Allart, R., … Krishnamurthy, V., + 20 (2025), "Complex structure of escaping helium spanning more than half the orbit of the ultra-hot Jupiter WASP-121 b.” Nature Communications 16 (1), 10822.

• Parc, L., … Krishnamurthy, V., 40+ NIRPS team (2025), " NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant.” Astronomy & Astrophysics, 702, A138.

• Ikuta, K., … Krishnamurthy, V., + 41 (2025), " The mass of TOI-654 b: A short-period sub-Neptune transiting a mid-M dwarf.” Publications of Astronomical Society of Japan, 77, 5.

• Lacedelli, G., … Krishnamurthy, V., + 48 (2025), "Sibling Sub-Neptunes Around Sibling M Dwarfs: TOI-521 and TOI-912.” arXiv preprint arXiv: 2509.14782.

• Splinter, J., … Krishnamurthy, V., + 21 (2025), "Precise Constraints on the Energy Budget of WASP-121 b from its JWST NIRISS/SOSS Phase Curve.” The Astronomical Journal 170 (6), 323.

• Bazinet, L., … Krishnamurthy, V., 40+ NIRPS team (2025), "Quantifying thermal water dissociation in the dayside photosphere of WASP-121 b using NIRPS.” Astronomy & Astrophysics, 701, A276.

• Da Silva, JG., … Krishnamurthy, V., 40+ NIRPS team (2025), " Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 581.” Astronomy & Astrophysics, 700, A177.

• Mascareño, AS., … Krishnamurthy, V., 40+ NIRPS team (2025), " Diving into the planetary system of Proxima with NIRPS-Breaking the metre per second barrier in the infrared.” Astronomy & Astrophysics, 700, A11.

• Bouchy, F., … Krishnamurthy, V., 40+ NIRPS team (2025), " NIRPS joining HARPS at ESO 3.6 m-On-sky performance and science objectives.” Astronomy & Astrophysics, 700, A10.

• Vaulato, V., … Krishnamurthy, V., 40+ NIRPS team (2025), " Hydride ion continuum hides absorption signatures in the NIRPS near-infrared transmission spectrum of the ultra-hot gas giant WASP-189b.” Astronomy & Astrophysics, 700, A9.

• Allart, R., … Krishnamurthy, V., 40+ NIRPS team (2025), " NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69 b.” Astronomy & Astrophysics, 700, A7.

• Artigau, É., … Krishnamurthy, V., + 110 (2024), "NIRPS first light and early science: breaking the 1 m/s RV precision barrier at infrared wavelengths." arXiv preprint arXiv:2406.08304.

•  Kuzuhara, M., … Krishnamurthy, V., +105 (2024), "Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy." The Astrophysical Journal Letters, 967, L21.

• Kagetani, T., … Krishnamurthy, V., +34. (2023), "The mass of TOI-519 b: A close-in giant planet transiting a metal-rich mid-M dwarf." Publications of the Astronomical Society of Japan, psad031.

•  Hirano, T., … Krishnamurthy, V., +47. (2023), "An Earth-sized Planet around an M5 Dwarf Star at 22 pc." The Astronomical Journal, 165.3: 131.

• Morello, G., … Krishnamurthy, V., +48. (2023), "TOI-1442 b and TOI-2445 b: two ultra-short period super-Earths around M dwarfs." arXiv preprint: 2201.13274 (A&A – about to be published).

• Delrez, L., … Krishnamurthy, V., +83. (2022), “Two temperate super-Earths transiting a nearby late M-dwarf.” Astronomy & Astrophysics, 667, A59.

• Mori, M., … Krishnamurthy, V., +36. (2022), “TOI-1696: A Nearby M4 Dwarf with a 3 R⊕ Planet in the Neptunian Desert.” The Astronomical Journal 163, 298.

• Kawauchi, K., … Krishnamurthy, V., +52. (2022), “Validation and atmospheric exploration of the sub-Neptune TOI-2136b around a nearby M3 dwarf.” Astronomy & Astrophysics 666, A4.

• Harakawa, H., … Krishnamurthy, V., +47. (2022), “A super-Earth orbiting near the inner edge of the habitable zone around the M4.5 dwarf Ross 508.” Publications of Astronomical Society of Japan, 74, 4.

• Gaidos, E… Krishnamurthy, V., +21. "Zodiacal exoplanets in time–XI. The orbit and radiation environment of the young M dwarf-hosted planet K2-25b." Monthly Notices of the Royal Astronomical Society: Letters 498.1 (2020): L119-L124.

For more updated publications please have a look at the NASA/ADS or Google Scholar.

NIRPS Science Meeting (presentation)                                                                                             
Young planets on escaping atmospheres
Geneva, Switzerland (November, 2025)

CRAQ annual meeting 2025 (presentation)                                                      
NIRISS SOSS look at WASP-107b                                                                                                            
Quebec, Canada (May, 2025)

Two HoRSEs conference (poster)                                                                                             
Atmosphere of young Neptune DS Tuc Ab
Berlin, Germany (July, 2024)

CRAQ annual meeting 2024 (flash presentation)                                                      
Young planets’ atmosphere                                                                                                            
Quebec, Canada (May, 2024)

NIRPS Science Meeting (presentation)
Search for Helium in NIRPS Targets
Montreal, Canada (October, 2023)

Exoclimes VI (poster)
NIR Transiting planets’ atmosphere
Exeter, UK (June, 2023)

CRAQ annual meeting 2023 (presentation)
Atmospheres of radius gap planets
Quebec, Canada (May 2023)

Japan Geoscience Union Meeting 2022 (presentation)
Atmospheres of low-mass star planets: Atmospheric escape and beyond
Online (May, 2022)

Exoplanets IV (AASTCS 9) (poster)
NIR observations of TOI-1235 b, GJ 9827 b & d
Las Vegas, USA (May, 2022)

53rd Annual Meeting of the Division for Planetary Sciences (iPoster)
High-res NIR observations of TRAPPIST-1 planets
Online (October, 2023)

Subaru Users Meeting FY2020 NAOJ (poster)
Characterization of sub-Neptune and rocky planets' atmos. using high-res NIR Spectroscopy
Online (March, 2021)

Rocky planets in the era of JWST: Theory and Observation (poster)
Exploring the infrared Helium line for atmospheric characterization
NASA GSFC, USA (November, 2019)

Workshop on TESS follow-up Observation for Exoplanet search (presentation)
Update on the observation results from new IRD spectrograph on Subaru Telescope
Busan, South Korea (October, 2019)

Tokyo Planetary Seminar (presentation)
New observation results from IRD spectrograph on Subaru Telescope
JAXA, Tanegashima, Japan (September, 2019)

TIEC Research and Presentation 2019-2020 (presentation)
Ground-based observations of terrestrial exoplanet systems
Tokyo, Japan (April, 2019)

TIEC Research and Presentation 2018-2019 (poster)
Current developments in ground-based exoplanet observation
Tokyo, Japan (November, 2018)

AIAA Oklahoma Symposium (presentation)
Metamaterials inspired smart composites for space applications
Edmond, OK, USA (April, 2018)

6th ELSI International Symposium (poster)
Concept of sustainable habitat on Mars
Tokyo, Japan (January, 2018)

Master thesis defense (presentation)
Modeling Elasto-Plastic behavior of Aluminum alloys using micro and damage mechanics.
Kanpur, India (May, 2017)

3rd International conference on Mechanical Engineering (presentation)
Monte Carlo DSMC solver for an optimized Space Crew re-entry Orbital Vehicle
Shanghai, China (October, 2016)

Bachelor thesis defense (presentation)
Monte Carlo simulations for re-entry vehicles
Coimbatore, India (June, 2015)

Astrobiology Center, National Astronomical Observatory of Japan, Japan                                                                
Infrared Seminar. Host: Dr. Teruyuki Hirano                                                                                                        
Tokyo, Japan (February, 2026)

Dept. of Astronomy & Astrophysics, TIFR, India
Hosts: Dr. Joe P. Ninan
Mumbai, India (December, 2025)

Inter-University Center for Astronomy & Astrophysics, India                                                                
Host: Dr. R. Srianand and Dr. Anupam Bhardwaj                                                                                                        
Pune, India (December, 2025)

Dept. of Space, Planetary & Astronomical Sciences & Engineering, IIT Kanpur, India
Hosts: Dr. Prashant Pathak
Kanpur, India (August, 2025)

Dept. of Earth and Space Sciences, Indian Institute of Space Science & Technology, India                                                               
Host: Dr. Anand Narayanan                                                                                                        
Trivandrum, India (July, 2025)

Center for Astrophysics, Harvard University,  USA                                                              
Host: Dr. Dave Charbonneau                                                                                                        
Boston, USA (October, 2024)

Riken University, Japan
Hosts: Dr. Nami Sakai & Dr. Yui Kawashima
Saitama, Japan (January, 2024)

Amrita Vishwa Vidyapeetham University, India
Hosts: Dr. Mahadevan S. & Dr. Bharat Kishore Sharma
Coimbatore, India (January, 2024)

Indian Institute of Astrophysics, India
Hosts: Dr. Sujan Sengupta & Dr. Piyali Chatterjee
Bengaluru, India (January, 2024)

Astrobiology Center, National Astronomical Observatory of Japan, Japan
Infrared Seminar. Host: Dr. Teruyuki Hirano
Tokyo, Japan (May, 2022)