The neutral hydrogen content of late-type spiral galaxies.

1962 ◽  
Vol 67 ◽  
pp. 437 ◽  
Author(s):  
M. S. Roberts
Keyword(s):  
Hydrogen Content ◽  
Spiral Galaxies ◽  
Neutral Hydrogen ◽  
Late Type

scholarly journals The environmental dependence of neutral hydrogen content in spiral galaxies

2008 ◽  
Author(s):  
Jesse Miner ◽  
Jim Rose ◽  
Sheila Kannappan ◽  
Robert Minchin ◽  
Emmanuel Momjian
Keyword(s):  
Hydrogen Content ◽  
Spiral Galaxies ◽  
Neutral Hydrogen ◽  
Environmental Dependence

Low surface brightness spiral galaxies. I - Neutral hydrogen content and location in the infrared Fisher-Tully diagram

1982 ◽  
Vol 263 ◽  
pp. 94 ◽  
Author(s):  
W. Romanishin ◽  
N. Krumm ◽  
E. Salpeter ◽  
G. Knapp ◽  
K. M. Strom ◽  
...  
Keyword(s):  
Hydrogen Content ◽  
Surface Brightness ◽  
Spiral Galaxies ◽  
Neutral Hydrogen ◽  
Low Surface Brightness

scholarly journals Influence of Gravitational Lensing on Estimates of Ω in Neutral Hydrogen

1996 ◽  
Vol 173 ◽  
pp. 97-98
Author(s):  
Matthias Bartelmann ◽  
Abraham Loeb
Keyword(s):  
Observational Data ◽  
Gravitational Lensing ◽  
Column Density ◽  
Spiral Galaxies ◽  
Neutral Hydrogen ◽  
Absorption Lines ◽  
Gravitational Lenses ◽  
High Column

A wealth of observational data supports the commonly held view that damped Lyman-α (Lyα) absorption in QSO spectra is associated with neutral-hydrogen (HI) disks in spiral galaxies. Most of the HI probed by QSO absorption lines is traced by damped Lyα lines because of their high column densities, N > 1020 cm–2. The spiral galaxies hosting the HI disks can act as gravitational lenses on the QSOs. If the HI column density increases towards the center of the disks, as suggested by observations of local galaxies, the magnification bias preferentially selects for high column-density systems. The estimates of HI in damped Lyα systems can then systematically be distorted by gravitational lensing.

scholarly journals The inner mass distribution of late-type spiral galaxies fromSAURONstellar kinematic maps

2016 ◽  
Vol 464 (2) ◽  
pp. 1903-1922 ◽  
Author(s):  
Veselina Kalinova ◽  
Glenn van de Ven ◽  
Mariya Lyubenova ◽  
Jesús Falcón-Barroso ◽  
Dario Colombo ◽  
...  
Keyword(s):  
Mass Distribution ◽  
Spiral Galaxies ◽  
Late Type

AHubble Space TelescopeCensus of Nuclear Star Clusters in Late-Type Spiral Galaxies. II. Cluster Sizes and Structural Parameter Correlations

2004 ◽  
Vol 127 (1) ◽  
pp. 105-118 ◽  
Author(s):  
Torsten Bker ◽  
Marc Sarzi ◽  
Dean E. McLaughlin ◽  
Roeland P. van der Marel ◽  
Hans-Walter Rix ◽  
...  
Keyword(s):  
Spiral Galaxies ◽  
Star Clusters ◽  
Structural Parameter ◽  
Late Type

scholarly journals Hubble Sequence as a Temporal Evolution Sequence

1999 ◽  
Vol 186 ◽  
pp. 491-491
Author(s):  
Xiaolei Zhang
Keyword(s):  
Spiral Galaxies ◽  
Temporal Evolution ◽  
Natural Question ◽  
Late Type ◽  
Present Epoch ◽  
Hubble Sequence ◽  
Deep Survey ◽  
Deep Fields ◽  
The Universe ◽  
Evolution Sequence

The results from Hubble Space Telescope's Medium Deep Survey and Deep Fields indicate that there exists far more blue spiral galaxies at the intermediate and high redshifts than at the present epoch. A natural question therefore is: what have become of these excess late type galaxies as the Universe aged?

The Hi Neighborhoods Around STARBIRDS

2018 ◽  
Vol 14 (S344) ◽  
pp. 280-282
Author(s):  
Megan C. Johnson ◽  
Kristen B. W. McQuinn ◽  
John Cannon ◽  
Charlotte Martinkus ◽  
Evan Skillman ◽  
...  
Keyword(s):  
Star Formation ◽  
Surface Brightness ◽  
Spiral Galaxies ◽  
Dwarf Galaxies ◽  
Neutral Hydrogen ◽  
Tidal Interactions ◽  
Low Surface Brightness ◽  
The Galaxy ◽  
Green Bank Telescope ◽  
Intense Star Formation

AbstractStarbursts are finite periods of intense star formation (SF) that can dramatically impact the evolutionary state of a galaxy. Recent results suggest that starbursts in dwarf galaxies last longer and are distributed over more of the galaxy than previously thought, with star formation efficiencies (SFEs) comparable to spiral galaxies, much higher than those typical of non-bursting dwarfs. This difference might be explainable if the starburst mode is externally triggered by gravitational interactions with other nearby systems. We present new, sensitive neutral hydrogen observations of 18 starburst dwarf galaxies, which are part of the STARburst IRregular Dwarf Survey (STARBIRDS) and each were mapped with the Green Bank Telescope (GBT) and/or Parkes Telescope in order to study the low surface brightness gas distributions, a common tracer for tidal interactions.

Near-infrared disk parameters in late-type spiral galaxies

1988 ◽  
Vol 95 ◽  
pp. 408 ◽  
Author(s):  
C. Giovanardi ◽  
L. K. Hunt
Keyword(s):  
Near Infrared ◽  
Spiral Galaxies ◽  
Late Type
Sign in / Sign up

Export Citation Format

Share Document