Results 21 to 30 of about 402,386 (219)

Lopsidedness in dwarf irregular galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2000
We quantify the amplitude of the lopsidedness, the azimuthal angular asymmetry index, and the concentration of star forming regions, as represented by the distribution of the H$α$ emission, in a sample of 78 late-type irregular galaxies. We bin the observed galaxies in two groups representing blue compact galaxies (BCDs) and low surface brightness ...
Heller, Ana B., Brosch, Noah, Almoznino, Elchanan, van Zee, Liese, Salzer, John J.   +4 more
openaire   +2 more sources

GALACTIC WINDS IN IRREGULAR STARBURST GALAXIES [PDF]

, 2001
In this paper we present some results concerning the study of the development of galactic winds in blue compact galaxies. In particular, we model a situation very similar to that of the galaxy IZw18, the most metal poor and unevolved galaxy known locally.
Matteucci, F., Recchi, S.
openaire   +2 more sources

PIDE-Working Papers: no. 2021:4. COVID-19, irregular migration and asymmetrical dependency [PDF]

, 2021
"This study explores the process of irregular migration that drives people to opt for illegal channels to migrate. The study further examines the impact of the COVID-19 pandemic on the socio-economic vulnerabilities of irregular migrant workers.
Iqbal, Nasir, Zulfiqar, Fahd
core  

Galaxy Morphological Classification of the Legacy Surveys with Deformable Convolutional Neural Networks

The Astronomical Journal, 2023
The ongoing and forthcoming surveys will result in an unprecedented increase in the number of observed galaxies. As a result, data-driven techniques are now the primary methods for analyzing and interpreting this vast amount of information.
Shoulin Wei, Wei Lu, Wei Dai, Bo Liang, Longfei Hao, Zhijian Zhang, Xiaoli Zhang   +6 more
doaj   +1 more source

The CO contents of dwarf irregular galaxies

The Astrophysical Journal, 1987
A search has been conducted for CO in 16 dwarf irregular galaxies selected to span a wide range of infrared luminosity and color. CO was detected in six dwarf galaxies spanning the entire range in optical color and IR luminosity. The dwarf galaxies extend by three orders of magnitude in luminosity the correlation between IR and CO luminosities found ...
TACCONI, LJ, Young, JS
openaire   +2 more sources

Galaxy And Mass Assembly (GAMA) : galaxy close pairs, mergers and the future fate of stellar mass [PDF]

, 2014
ASGR acknowledges STFC and SUPA funding that were used to do this work. GAMA is funded by the STFC (UK), the ARC (Australia), the AAO and the participating institutions.We use a highly complete subset of the Galaxy And Mass Assembly II (GAMA-II) redshift
De Propris, R., De Propis, R., T McNaught-Roberts (16161611), Pimbblet, K. A., A Moffett (7731959), Driver, S. P., M S Owers (16161563), Lara-Lopez, M. A., A M Hopkins (16143587), Lopez-Sanchez, Angel R., B W Holwerda (16219943), Jonathan Loveday (4460899), Owers, M. S., R De Propris (16161587), Obreschkow, D., Holwerda, Benne W., M Cluver (16191152), Baldry, I. K., J Bland-Hawthorn (16111139), Davies, L. J. M., Bauer, A. E., E N Taylor (16143620), Brown, M. J. I., A S G Robotham (16143614), M A Lara-Lopez (16161575), A E Bauer (16161566), Hopkins, A. M., E van Kampen (16112642), Brough, S., Loveday, J., McNaught-Roberts, T., I K Baldry (16072595), Moffett, A., Liske, J., Wilkins, S. M., P Norberg (16143575), Holwerda, B. W., Mahajan, S., L S Kelvin (16143602), K Pimbblet (16191149), Penny, S. J., Robotham, A. S. G., van Kampen, E., M Prescott (10000280), M J Drinkwater (16091732), Bland-Hawthorn, J., N K Agius (16219940), Agius, N. K., Prescott, M., M J I Brown (16143632), Cluver, M., Drinkwater, M. J., S J Penny (16219955), Taylor, E. N., Stephen Wilkins (4461910), Lopez-Sanchez, A. R., D Obreschkow (16219952), S Brough (16143590), S Mahajan (16219949), L J M Davies (16219937), Norberg, P., J Liske (7814738), Kelvin, L. S., Pimbblet, K., S P Driver (16143581), A R López-Sánchez (16219946)   +65 more
core   +1 more source

The Classification of Galaxy Morphology in the H Band of the COSMOS-DASH Field: A Combination-based Machine-learning Clustering Model

The Astrophysical Journal Supplement Series, 2023
By applying our previously developed two-step scheme for galaxy morphology classification, we present a catalog of galaxy morphology for H -band-selected massive galaxies in the COSMOS-DASH field, which includes 17,292 galaxies with stellar mass M _ ...
Yao Dai, Jun Xu, Jie Song, Guanwen Fang, Chichun Zhou, Shuo Ba, Yizhou Gu, Zesen Lin, Xu Kong   +8 more
doaj   +1 more source

galaxy-tourbuilder

, 2017
<p>This Galaxy Tour Builder web extension allows you to easily create new interactive tours for the Galaxy framework. You can record and replay any tour, update its content and preview your changes in live.
Durand, William, Batut, Bérénice, Batut, Bérénice (5270416), Maupetit, Julien (5524340), Durand, William (5524337), Maupetit, Julien   +5 more
core   +3 more sources

The Star Formation Across Cosmic Time (SFACT) Survey. III. Spectroscopy of the Initial Catalog of Emission-line Objects

The Astronomical Journal, 2023
The Star Formation Across Cosmic Time (SFACT) survey is a new narrowband survey designed to detect emission-line galaxies (ELGs) and quasi-stellar objects (QSOs) over a wide range of redshifts in discrete redshift windows.
David J. Carr, Jennifer Sieben, John J. Salzer, Samantha W. Brunker, Bryce Cousins   +4 more
doaj   +1 more source

Automatic Detection of Galaxy Type From Datasets of Galaxies Image Based on Image Retrieval Approach

Scientific Reports, 2017
This paper presents a new approach for the automatic detection of galaxy morphology from datasets based on an image-retrieval approach. Currently, there are several classification methods proposed to detect galaxy types within an image.
Mohamed Abd El Aziz, I. M. Selim, Shengwu Xiong   +2 more
doaj   +1 more source