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DESI-253.2534+26.8843: A New Einstein Cross Spectroscopically Confirmed with VLT/MUSE and Modeled with GIGA-Lens
Aleksandar Cikota, Ivonne Toro Bertolla, Xiaosheng Huang +10
Gravitational lensing provides unique insights into astrophysics and cosmology, including the determination of galaxy mass profiles and constraining cosmological parameters. We pre…
Diversity of dust properties in external galaxies confirmed by polarization signals from Type II supernovae
Takashi Nagao, Ferdinando Patat, Keiichi Maeda +8
Investigating interstellar (IS) dust properties in external galaxies is important not only to infer the intrinsic properties of astronomical objects but also to understand the star…
An imaging polarimetry survey of Type Ia supernovae: are peculiar extinction and polarization properties produced by circumstellar or interstellar matter?
Matthew R. Chu, Aleksandar Cikota, Dietrich Baade +8
Some highly reddened Type Ia supernovae (SNe Ia) display low total-to-selective extinction ratios () in comparison to that of typical Milky Way dust ($R_V \approx 3…
Spectropolarimetry of Galactic stars with anomalous extinction sightlines
Aleksandar Cikota, Thiem Hoang, Stefan Taubenberger +8
Highly reddened type Ia Supernovae (SNe Ia) with low total-to-selective visual extinction ratio values, , also show peculiar linear polarization wavelength dependencies with p…