280 citations · 2.9k across the 59 of their papers we have counts for
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Characterising the secondary maximum in the r-band for Type Ia Supernovae: Diagnostic for the ejecta mass
Seméli Papadogiannakis, Suhail Dhawan, Roberta Morosin +1
An increase in the number of studied Type Ia supernovae (SNe~Ia) has demonstrated that this class of explosions has a greater diversity in its observables than was previously assum…
R-band light-curve properties of Type Ia supernovae from the (intermediate) Palomar Transient Factory
S. Papadogiannakis, A. Goobar, R. Amanullah +15
We present the best 265 sampled R-band light curves of spectroscopically identified Type Ia supernovae (SNe) from the Palomar Transient Factory (PTF; 2009-2012) survey and the inte…
Limits on stable iron in TypeIa supernovae from NIR spectroscopy
A. Flörs, J. Spyromilio, K. Maguire +3
We obtained optical and near-infrared spectra of TypeIa supernovae (SNeIa) at epochs ranging from 224 to 496 days after the explosion. The spectra show emission lines from…
iPTF16abc and the population of Type Ia supernovae: Comparing the photospheric, transitional and nebular phases
S. Dhawan, M. Bulla, A. Goobar +6
Key information about the progenitor system and the explosion mechanism of Type Ia supernovae (SNe~Ia) can be obtained from early observations, within a few days from explosion. iP…
Nebular spectroscopy of SN 2014J: Detection of stable nickel in near infrared spectra
S. Dhawan, A. Flörs, B. Leibundgut +5
We present near infrared (NIR) spectroscopy of the nearby supernova 2014J obtained 450 d after explosion. We detect the [Ni II] 1.939 m line in the spectra indicating the…
The cosmic transparency measured with Type Ia supernovae: implications for intergalactic dust
Ariel Goobar, Suhail Dhawan, Daniel Scolnic
Observations of high-redshift Type Ia supernovae (SNe~Ia) are used to study the cosmic transparency at optical wavelengths. Assuming a flat CDM cosmological model based on BAO a…
Shedding light on the Type Ia supernova extinction puzzle: dust location found
M. Bulla, A. Goobar, S. Dhawan
The colour evolution of reddened Type Ia supernovae can place strong constraints on the location of dust and help address the question of whether the observed extinction stems from…
Does the Hubble constant tension call for new physics?
Edvard Mörtsell, Suhail Dhawan
The Cold Dark Matter model (CDM) represents the current standard model in cosmology. Within this, there is a tension between the value of the Hubble constant, , inferre…
Constraints on the sum of the neutrino masses in dynamical dark energy models with are tighter than those obtained in CDM
Sunny Vagnozzi, Suhail Dhawan, Martina Gerbino +3
We explore cosmological constraints on the sum of the three active neutrino masses in the context of dynamical dark energy (DDE) models with equation of state (EoS) parametri…