Publications

List of Publications in which the team members were involved (lead-authors or contributors):

1. H0DN Collaboration, Casertano, S., Anand, G., Anderson, R. I., Beaton, R., Bhardwaj, A., et. al (2026), Astronomy and Astrophysics, 708, A166.
   The Local Distance Network: a community consensus report on the measurement of the Hubble constant at 1% precision

   IUCAA press release — https://web.iucaa.in/news/GACAPM/.    ISSI Press release: 

2.  Bhuyan, G., Kanbur, S., Deb, S., Breuval, L., Bhardwaj, A., Deka, M., Bellinger, E. P., & Kurbah, K. (2026), Monthly Notices of the Royal Astronomical Society, 546, stag038. The effect of metallicity on the Leavitt Law using phase-dependent properties of classical Cepheids 
3. Breuval, L., Anand, G. S., Anderson, R. I., Beaton, R., Bhardwaj, A., Casertano, S., et. al (2025), The Astrophysical Journal, 994, 111.
   Converging on the Cepheid Metallicity Dependence: Implications of Nonstandard Gaia Parallax Recalibration on Distance Measures
4. Trentin, E., Catanzaro, G., Ripepi, V., Alonso-Santiago, J., Molinaro, R., Storm, J., De Somma, G., Marconi, M., Bhardwaj, A., Gatto, M., Musella, I., & Testa, V. (2024), Astronomy and Astrophysics, 690, A246.
   Cepheid Metallicity in the Leavitt Law (C-MetaLL) survey: VI. Radial abundance gradients of 29 chemical species in the Milky Way disc, 
5. Bhardwaj, A., Matsunaga, N., Huang, C. D., Riess, A. G., & Rejkuba, M. (2025), The Astrophysical Journal, 990, 63.
   Absolute Calibration of Cluster Mira Variables to Provide a New Anchor for the Hubble Constant Determination, 
   IUCAA press release — https://web.iucaa.in/news/WCMAIRCE/
6. Sicignano, T., Ripepi, V., Rejkuba, M., Romaniello, M., Marconi, M., Molinaro, R., Bhardwaj, A., De Somma, G., Cioni, M.-R. L., et. al (2025), Astronomy and Astrophysics, 699, A370.
   The VMC Survey: LIII. Anomalous Cepheids in the Magellanic Clouds: Period-luminosity relations in the near-infrared bands, 
7. Catanzaro, G., Bhardwaj, A., Ripepi, V., Trentin, E., Marconi, M., Romaniello, M., Matsunaga, N., De Somma, G., Sicignano, T., Musella, I., & Soung-Chul, Y. (2026), Astronomy and Astrophysics, 706, A225.
   Cepheid Metallicity in the Leavitt Law (C–MetaLL) survey: VIII. High-Resolution IGRINS Spectroscopy of 23 Classical Cepheids: Validating NIR Abundances, 
8. Trentin, E., Catanzaro, G., Ripepi, V., Luongo, E., Marconi, M., Musella, I., Cusano, F., Storm, J., Bhardwaj, A., De Somma, G., Sicignano, T., & Molinaro, R. (2026), Astronomy and Astrophysics, 707, A142.
   Cepheid Metallicity in the Leavitt Law (C- MetaLL) survey: VII: Spectroscopic detection of rare earth Dysprosium, Erbium, Lutetium and Thorium in Classical Cepheids,
9. Ripepi, V., Trentin, E., Catanzaro, G., Marconi, M., Bhardwaj, A., Clementini, G., Cusano, F., De Somma, G., Molinaro, R., Sicignano, T., & Storm, J, (2026), Astronomy and Astrophysics, 708, A216. Cepheid Metallicity in the Leavitt Law (C─MetaLL) survey: IX. Metallicity dependence of period-Wesenheit relations based on a homogeneous spectroscopic sample 
10. Deka, M., Marconi, M., Molinaro, R., De Somma, G., Bhardwaj, A., Trentin, E., Deb, S., Sicignano, T., Musella, I., Ripepi, V., Luongo, E., & Kanbur, S. M. (2025), e-prints, arXiv:2510.26385.
    The light curve model fitting of LMC Cepheids: MESA-RSP versus Stellingwerf’s code predictions, 
11. Das, S., Bhardwaj, A., & Marconi, M. (2025), Frontiers in Astronomy and Space Sciences, 12, 1718800
    Type II Cepheids: Period-Luminosity-Metallicity relations for the Population II distance scale, 
12. Ngeow, C.-C., & Bhardwaj, A. (2025), The Astronomical Journal, 169, 156.
    Candidate RR Lyrae Associated with the Ultrafaint Dwarf Galaxy Aquarius III, 
13. Das, S., Molnár, L., Kovács, G. B., Smolec, R., Joyce, M., Kanbur, S. M., Szklenár, T., Bhardwaj, A., Singh, H. P., Marconi, M., & Ripepi, V. (2025), Astronomy and Astrophysics, 694, A255.
    A theoretical framework for BL Her stars: III. A case study: Robust light curve optimization in the Large Magellanic Cloud, 
14. Kurbah, K., Kanbur, S. M., Deb, S., Bhardwaj, A., Deka, M., Das, S., & Bhuyan, G. (2025), Monthly Notices of the Royal Astronomical Society, 541, 2594.
    Multiwavelength study of observed and predicted pulsation properties of first overtone Cepheids in the Magellanic Clouds, 
15. Das, S., Molnár, L., Szabó, R., Singh, H. P., Kanbur, S. M., Bhardwaj, A., Marconi, M., & Smolec, R. (2025), Astronomy and Astrophysics, 695, A38.
    A theoretical framework for BL Her stars: IV. New period-luminosity relations in the Rubin-LSST filters,
16. Ngeow, C.-C., & Bhardwaj, A. (2025), The Astronomical Journal, 169, 68.
    The Lack of RR Lyrae Variables in Ultrafaint Dwarf Galaxy Sextans II, 
17. Kumar, N., Singh, H. P., Malkov, O., Joshi, S., Tan, K., Prugniel, P., & Bhardwaj, A. (2025), Universe, 11, 207.
    Extraction of Physical Parameters of RRab Variables Using Neural Network Based Interpolator, 

The following acknowledgment was added to all the publications resulting through collaborations among the team members —

“This research was supported by the International Space Science Institute (ISSI) in Bern/Beijing through ISSI/ISSI-BJ International Team project ID #24-603 – “EXPANDING Universe” (EXploiting Precision AstroNomical Distance INdicators in the Gaia Universe).”