Results 81 to 90 of about 85,185 (266)
The Physical Thickness of Stellar Disks to z ∼ 2
The Astrophysical Journal, 2023 In local disk galaxies such as our Milky Way, older stars generally inhabit a thicker disk than their younger counterparts. Two competing models have attempted to explain this result: one in which stars first form in thin disks that gradually thicken ...
Kathleen A. Hamilton-Campos +4 more
doaj +1 more source
Detection of a Star Forming Galaxy in the Center of a Low-Mass Galaxy Cluster
, 2018 Brightest Cluster Galaxies (BCGs) residing in the centers of galaxy clusters are typically quenched giant ellipticals. A recent study hinted that star-forming galaxies with large disks, so-called superluminous spirals and lenticulars, are the BCGs of a ...
Andrade-Santos, Felipe +6 more
core +1 more source
The Relative Orientation of Nuclear Accretion and Galaxy Stellar Disks in Seyfert Galaxies [PDF]
, 1999 We use the difference (delta) between the position angles of the nuclear radio emission and the host galaxy major axis to investigate the distribution of the angle (beta) between the axes of the nuclear accretion disk and the host galaxy disk in Seyfert ...
Andrew S. Wilson +16 more
core +4 more sources
DUST-DRIVEN WIND FROM DISK GALAXIES [PDF]
The Astrophysical Journal, 2011 We study gaseous outflows from disc galaxies driven by radiation pressure on dust grains. We include the effect of bulge and dark matter halo and show that the existence of such an outflow implies a maximum value of disc mass-to-light ratio. We show that the terminal wind speed is proportional to the disc rotation speed in the limit of a cold gaseous ...
Sharma, Mahavir +2 more
openaire +2 more sources
Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight
Experimental Physiology, EarlyView.Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley +1 more source
Stellar CoRGI in MaNGA: Stellar Counterrotating Galaxies Identified in the MaNGA Survey
The Astrophysical Journal Supplement SeriesStellar counterrotating (CR) galaxies are systems hosting two large-scale stellar components rotating in opposite directions—a main, preexisting galaxy body with an older stellar population and a younger CR stellar disk likely formed from externally ...
Damir Gasymov +10 more
doaj +1 more source
Numerical Linear Algebra with Applications, Volume 33, Issue 1, February 2026.ABSTRACT The heat equation is often used to inpaint dropped data in inpainting‐based lossy compression schemes. We propose an alternative way to numerically solve the heat equation by an extended Krylov subspace method. The method is very efficient with respect to the computation of the solution of the heat equation at large times.
Volker Grimm, Kevin Liang
wiley +1 more source
Formation of Galactic Disks. I. Why Did the Milky Way’s Disk Form Unusually Early?
The Astrophysical JournalRecent results from spectroscopic and astrometric surveys of nearby stars suggest that the stellar disk of our Milky Way (MW) was formed quite early, within the first few billion years of its evolution.
Vadim A. Semenov +4 more
doaj +1 more source
Enhanced dust heating in the bulges of early-type spiral galaxies [PDF]
, 2010 Stellar density and bar strength should affect the temperatures of the cool (T ~ 20–30 K) dust component in the inner regions of galaxies, which implies that the ratio of temperatures in the circumnuclear regions to the disk should depend on Hubble type.
Appleton, P. N. +4 more
core
UGC8802: A MASSIVE DISK GALAXY IN FORMATION [PDF]
The Astrophysical Journal, 2010 12 pages, 10 figures, accepted for publication in ApJ, typo ...
Moran, Sean M. +13 more
openaire +4 more sources