Results 31 to 40 of about 6,187 (121)
Rotation of the large lenticular galaxy NGC 612* [PDF]
Monthly Notices of the Royal Astronomical Society, 1980 The radio galaxy NGC 612 (≡ PKS 0131 – 36) has been studied spectroscopically and the velocity field measured in emission lines of [O II], [O III] and Hα. A rotation curve has been determined to a radius of 40 kpc (H=50kms−1Mpc−1). The rotation curve of this SO galaxy is essentially flat, as is found for many late-type systems, with an amplitude of ...
I. J. Danziger +3 more
openaire +3 more sources
Age and metallicity of the bulges in lenticular galaxies [PDF]
Proceedings of the International Astronomical Union, 2007 AbstractPanoramic spectroscopy of the sample of 80 nearby lenticular galaxies is presented. The SSP-equivalent ages, [Z/H], and [Mg/Fe] are determined through the Lick indices Hβ, Mgb, and 〈Fe〉 separately for the nuclei and for the bulges. About a half of the sample contain chemically distinct nuclei, more metal-rich and younger than the bulges.
openaire +4 more sources
NGC 1436: the making of a lenticular galaxy in the Fornax Cluster
Monthly Notices of the Royal Astronomical Society, 2023 ABSTRACT We study the evolutionary path of the Fornax Cluster galaxy NGC 1436, which is known to be currently transitioning from a spiral into a lenticular morphology. This galaxy hosts an inner star-forming disc and an outer quiescent disc, and we analyse data from the MeerKAT Fornax Survey, ALMA, and the Fornax 3D survey to study the ...
Alessandro Loni +27 more
openaire +6 more sources
Bose‐Einstein Condensate Dark Matter Halos Confronted with Galactic Rotation Curves
Advances in High Energy Physics, Volume 2017, Issue 1, 2017., 2017 We present a comparative confrontation of both the Bose‐Einstein Condensate (BEC) and the Navarro‐Frenk‐White (NFW) dark halo models with galactic rotation curves. We employ 6 High Surface Brightness (HSB), 6 Low Surface Brightness (LSB), and 7 dwarf galaxies with rotation curves falling into two classes.
M. Dwornik +4 more
wiley +1 more source
Photometric scaling relations of lenticular and spiral galaxies [PDF]
Monthly Notices of the Royal Astronomical Society, 2010 Accepted to MNRAS, includes a big figure in electronic form, not included ...
Johan H. Knapen +6 more
openaire +4 more sources
Radio‐Wave Propagation in Salt Domes: Implications for a UHE Cosmic Neutrino Detector
Advances in High Energy Physics, Volume 2014, Issue 1, 2014., 2014 Salt deposits can be used as a natural dielectric medium for a UHE cosmic neutrino radio detector. Such a detector relies on the capability of reconstructing the initial characteristics of the cosmic neutrino from the measured radio electrical field produced at neutrino’s interaction in salt by the subsequent particle shower.
Alina-Mihaela Badescu +2 more
wiley +1 more source
The fate of spiral galaxies in clusters: The star formation history of the anemic Virgo cluster galaxy NGC 4569 [PDF]
, 2006 We present a new method for studying the star formation history of late-type cluster galaxies undergoing gas starvation or a ram pressure stripping event by combining bidimensional multifrequency observations with multizone models of galactic chemical ...
Boissier, S. +7 more
core +5 more sources
The Study of Nebular Emission on Nearby Spiral Galaxies in the IFU Era
Advances in Astronomy, Volume 2013, Issue 1, 2013., 2013 A new generation of wide‐field emission‐line surveys based on integral field units (IFU) is allowing us to obtain spatially resolved information of the gas‐phase emission in nearby late‐type galaxies, based on large samples of HII regions and full two‐dimensional coverage.
Fernando Fabián Rosales-Ortega +1 more
wiley +1 more source
KINEMATICS AND STELLAR POPULATIONS IN ISOLATED LENTICULAR GALAXIES
The Astronomical Journal, 2015 By combining new long-slit spectral data obtained with the Southern African Large Telescope (SALT) for 9 galaxies with previously published our observations for additional 12 galaxies we study the stellar and gaseous kinematics as well as radially resolved stellar population properties and ionized gas metallicity and excitation for a sample of isolated
Ivan Yu. Katkov +3 more
openaire +3 more sources
Ages and abundances in large-scale stellar disks of nearby S0 galaxies [PDF]
, 2012 By undertaking deep long-slit spectroscopy with the focal reducer SCORPIO of the Russian 6m telescope, we studied stellar population properties and their variation with radius in 15 nearby S0 galaxies sampling a wide range of luminosities and ...
Koposov, S. E. +3 more
core +2 more sources