Results 1 to 10 of about 50,322 (326)

Kinematics of Young Stellar Objects under Various Stellar Feedback

open access: goldThe Astrophysical Journal Supplement Series
Based on the Gaia Data Release 3 and APOGEE data sets, we investigate the kinematic differences between young stellar objects (YSOs) and their parent clouds in five nearby star-forming regions.
Longhui Yang   +8 more
doaj   +4 more sources

Kinematics of the Outer Stellar Halo [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1996
We have tested whether the simple model for the kinematics of the Galactic stellar halo (in particular the outer halo) proposed by Sommer-Larsen, Flynn and Christensen (SLFC) is physically realizable, by directly integrating particles in a 3-D model of ...
Christensen, Per Rex   +2 more
core   +4 more sources

The Origin of the Nuclear Star-forming Ring in NGC 3182

open access: yesThe Astronomical Journal, 2023
We investigate the stellar and ionized gas kinematics, and stellar populations of NGC 3182 galaxy using integral field spectrograph data from the Calar Alto Legacy Integral Field Area survey. We try to clarify the nature of the ring structure in NGC 3182.
Mina Pak   +3 more
doaj   +1 more source

The Metal-weak Milky Way Stellar Disk Hidden in the Gaia–Sausage–Enceladus Debris: The APOGEE DR17 View

open access: yesThe Astrophysical Journal, 2023
We have for the first time identified the early stellar disk in the Milky Way by using a combination of elemental abundances and kinematics. Using data from APOGEE DR17 and Gaia we select stars in the Mg–Mn–Al–Fe plane with elemental abundances ...
Sofia Feltzing, Diane Feuillet
doaj   +1 more source

Stellar Motions in the Polar Ring Galaxy NGC 4650A [PDF]

open access: yes, 2003
We present the first measurement of the stellar kinematics in the polar ring of NGC 4650A. There is well defined rotation, with the stars and gas rotating in the same direction, and with similar amplitude.
Combes F., Rob A. Swaters, Vera C. Rubin
core   +1 more source

Orbit-Based Dynamical Models of the Sombrero Galaxy (NGC 4594) [PDF]

open access: yes, 2011
We present axisymmetric, orbit-based models to study the central black hole, stellar mass-to-light ratio, and dark matter halo of NGC 4594 (M104, the Sombrero Galaxy).
Bendo   +54 more
core   +2 more sources

Investigation of the Stellar Population of Several Polar Ring Galaxies

open access: yesGalaxies, 2016
We present results of our investigation of two multi-spin galaxies which were taken from the catalog of polar ring galaxies. All of them possess nucleus-like knots.
Liliya Shalyapina   +4 more
doaj   +1 more source

Resolved SPLASH Chemodynamics in Andromeda’s PHAT Stellar Halo and Disk: On the Nature of the Inner Halo along the Major Axis

open access: yesThe Astronomical Journal, 2023
Stellar kinematics and metallicity are key to exploring formation scenarios for galactic disks and halos. In this work, we characterized the relationship between kinematics and photometric metallicity along the line of sight to M31's disk.
Ivanna Escala   +7 more
doaj   +1 more source

Kinematic and stellar population properties of the counter-rotating components in the S0 galaxy NGC 1366 [PDF]

open access: yes, 2017
Context. Many disk galaxies host two extended stellar components that rotate in opposite directions. The analysis of the stellar populations of the counter-rotating components provides constraints on the environmental and internal processes that drive ...
Buson, L. M.   +9 more
core   +2 more sources

oMEGACat. I. MUSE Spectroscopy of 300,000 Stars within the Half-light Radius of ω Centauri

open access: yesThe Astrophysical Journal, 2023
Omega Centauri ( ω Cen) is the most massive globular cluster of the Milky Way and has been the focus of many studies that reveal the complexity of its stellar populations and kinematics.
M. S. Nitschai   +19 more
doaj   +1 more source

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