4 papers
Chromatic Effects Across the Roman Focal Plane: Implications for Supernova Photometry and Measurements of Cosmological Parameters
Rujuta Purohit, Dillon Brout, Daniel Scolnic +14
Calibration uncertainties are the leading systematics in cosmological analyses using Type Ia supernovae (SNe Ia). For the \textit{Nancy Grace Roman Space Telescope (Roman)}, we qua…
Calibration-Induced Systematics in SALT3 Training and Their Impact on Dark Energy Constraints from Stage IV Supernova Surveys
Kene Anumba, David O. Jones, Richard Kessler +13
In the coming years, the Vera Rubin Observatory's Legacy Survey of Space and Time (Rubin-LSST) and the Nancy Grace Roman Space Telescope's (Roman) High Latitude Time Domain Survey…
Lowest-mass X-ray selected AGNs in the Boötes Field
Rujuta A. Purohit, Ryan C. Hickox, Grayson C. Petter
We present a multi-wavelength analysis of three candidate active galactic nuclei (AGNs) in low-mass galaxies in the Boötes field with the aim of improving constraints on the occupa…
Binary black hole mergers and intermediate-mass black holes in dense star clusters with collisional runaways
Rujuta A. Purohit, Giacomo Fragione, Frederic A. Rasio +2
Intermediate-mass black holes (IMBHs) are believed to be the missing link between the supermassive black holes (BHs) found at the centers of massive galaxies and BHs formed through…