New long-slit optical spectroscopy and optical and NIR images of NGC 520 are presented. Velocity-dispersion and radial-velocity profiles are obtained from the...
The kinematics of local thick discs do not support an accretion origin⋆
Thick discs are nearly ubiquitous components of the discs of present-day galaxies. It has been proposed that a fraction of their stars have been accreted. Here...
The Kinematics of Point-symmetric Planetary Nebulae
Four planetary nebulae (PNe) with conspicuous point-symmetric morphology are studied in this paper through high-quality imagery and long-slit echelle...
The kinematics of the extended gas in the Seyfert galaxy NGC 3516
Long-slit spectroscopy of the extended gas in the Seyfert galaxy NGC 3516 reveals considerable substructure in the narrow emission lines with several...
The Kinematics of the HH 399 Jet in the Trifid Nebula
We have studied the kinematics of the HH 399 jet, which was recently discovered in the Trifid Nebula. The data were obtained in the [N II] 6583 Å line with a...
The Kinematics of the Ionized and Molecular Hydrogen in the Starburst Galaxy NGC 253
Near-infrared H2 1-0 5(1) and Brγ velocity curves along the major axis of NGC 253 have revealed a central velocity gradient that is 7 times steeper than that...
The kinematics of the quadrupolar nebula M 1-75 and the identification of its central star
Context. The link between how bipolar planetary nebulae are shaped and their central stars is still poorly understood. Aims: This paper investigates the...
The kinematics of water masers in the stellar molecular outflow source, IRAS 19134+2131
Using the Very Large Array (VLA) and the Very Long Baseline Array (VLBA), we have observed water maser emission in the proto-planetary nebula candidate IRAS...
The kinematics of young and old stellar populations in nuclear rings of MUSE TIMER galaxies
Context. Studying the stellar kinematics of galaxies is a key tool in the reconstruction of their evolution. However, the current measurements of the stellar...