97 citations · 151 across the 7 of their papers we have counts for
8 papers · 1 filter
Euclid: The - relation as a function of redshift. I. The black hole in NGC 1272
R. Saglia, K. Mehrgan, S. de Nicola +148
Core ellipticals, massive early-type galaxies have an almost constant inner surface brightness profile. The size of the core region correlates with the mass of the finally merged b…
Stellar populations of massive early-type galaxies observed by MUSE
Taniya Parikh, Roberto Saglia, Jens Thomas +3
Stellar population studies of massive early-type galaxies (ETGs) suggest that the stellar initial mass function may not be universal. In particular, the centres of ETGs seem to con…
Dynamical stellar mass-to-light ratio gradients: Evidence for very centrally concentrated IMF variations in ETGs?
Kianusch Mehrgan, Jens Thomas, Roberto Saglia +4
Evidence from different probes of the stellar initial mass function (IMF) of massive early-type galaxies (ETGs) has repeatedly converged on IMFs more bottom-heavy than in the Milky…
Composite Bulges -- III. A Study of Nuclear Star Clusters in Nearby Spiral Galaxies
Aishwarya Ashok, Anil Seth, Peter Erwin +17
We present photometric and morphological analyses of nuclear star clusters (NSCs) -- very dense, massive star clusters present in the central regions of most galaxies -- in a sampl…
The isotropic center of NGC 5419 -- A core in formation?
Bianca Neureiter, Jens Thomas, Antti Rantala +5
With its cored surface brightness profile, the elliptical galaxy NGC 5419 appears as a typical high-mass early-type galaxy (ETG). However, the galaxy hosts two distinct nuclei in i…
Detailed shapes of the line-of-sight velocity distributions in massive early-type galaxies from non-parametric spectral models
Kianusch Mehrgan, Jens Thomas, Roberto Saglia +2
We present the first systematic study of the detailed shapes of the line-of-sight velocity distributions (LOSVDs) in nine massive early-type galaxies (ETGs) using the novel non-par…
Composite Bulges -- II. Classical Bulges and Nuclear Discs in Barred Galaxies: The Contrasting Cases of NGC 4608 and NGC 4643
Peter Erwin, Anil Seth, Victor P. Debattista +14
We present detailed morphological, photometric, and stellar-kinematic analyses of the central regions of two massive, early-type barred galaxies with nearly identical large-scale m…
A 40-billion solar mass black hole in the extreme core of Holm 15A, the central galaxy of Abell 85
K. Mehrgan, J. Thomas, R. Saglia +5
Holm 15A, the brightest cluster galaxy (BCG) of the galaxy cluster Abell 85, has an ultra-diffuse central region, 2 mag fainter than the faintest depleted core of any early-type ga…