Results 41 to 50 of about 11,751 (112)

The Outer Edges of Dwarf Irregular Galaxies: Stars and Gas

, 2002
We have in recent years come to view dwarf galaxy evolution in the broader context of the cosmic evolution of large-scale structure. Dwarf galaxies, as the putative building blocks of hierarchical galaxy formation, and also as the most numerous galaxies ...
Hodge, P. W., Hunter, D. A., Oey, M. S.
core   +1 more source

Mind and Cosmos as Throughput Systems: A Convergence Through the Throughput Model

Systems Research and Behavioral Science, Volume 43, Issue 3, Page 1212-1228, May/June 2026.
ABSTRACT This paper advances a conceptual and mathematical foundations approach by applying the throughput model (TPM) to cosmic phenomena, reframing the universe as an extended information processing system. TPM's four stages, Perception, Information, Judgement and Decision Choice, are reformulated in explicit information‐theoretic and dynamical ...
Waymond Rodgers
wiley   +1 more source

Bose‐Einstein Condensate Dark Matter Halos Confronted with Galactic Rotation Curves

Advances in High Energy Physics, Volume 2017, Issue 1, 2017., 2017
We present a comparative confrontation of both the Bose‐Einstein Condensate (BEC) and the Navarro‐Frenk‐White (NFW) dark halo models with galactic rotation curves. We employ 6 High Surface Brightness (HSB), 6 Low Surface Brightness (LSB), and 7 dwarf galaxies with rotation curves falling into two classes.
M. Dwornik, Z. Keresztes, E. Kun, L. Á. Gergely, Sergei D. Odintsov   +4 more
wiley   +1 more source

A close look at the Centaurus A group of galaxies III. Recent star formation histories of late-type dwarfs around M83 [PDF]

, 2011
We study the resolved stellar populations of dwarf galaxies in the nearby Centaurus A/M83 group of galaxies. Our goal is to characterize their evolutionary history and to investigate eventual similarities or differences with the dwarf population in other
A. A. Cole, Aloisi, Aparicio, Banks, Battinelli, Belokurov, Belokurov, Bouchard, Bouchard, Bradamante, Caldwell, Cardelli, Cash, Chabrier, Cignoni, Cole, Cole, Cole, Crnojević, Crnojević, Côté, Côté, Côté, D. Crnojević, Dohm-Palmer, Dohm-Palmer, Dohm-Palmer, Dolphin, Dotter, Dressler, Duquennoy, Durrell, Durrell, E. K. Grebel, Einasto, Elmegreen, Gallart, Georgiev, Gilmore, Girardi, Glatt, Glatt, Glatt, Grebel, Grebel, Grebel, Groenewegen, Grossi, Harris, Harris, Hirashita, Isserstedt, Jarosik, Jerjen, Jerjen, Karachentsev, Karachentsev, Karachentsev, Karachentsev, Karachentsev, Karachentsev, Karachentsev, Karachentseva, Kniazev, Koch, Koch, Koch, Koleva, Kotulla, Lee, Lee, Lee, Lee, Levesque, Maeder, Makarova, Makarova, Makarova, Marconi, Marigo, Mateo, Mazeh, McQuinn, Noël, Orban, Read, Recchi, Rejkuba, Sabbi, Scalo, Schlegel, Schulte-Ladbeck, Seiden, Sharina, Sirianni, Skillman, Smecker-Hane, Tautvaišienė, Tolstoy, Tolstoy, Tosi, Tosi, Trentham, van der Marel, van Dyk, Venn, Venn, Weisz, Weisz, Williams, Zaritsky, Zucker, Zucker, Zucker, Úbeda   +114 more
core   +4 more sources

Infrared Properties of Star-forming Dwarf Galaxies. I. Dwarf Irregular Galaxies in the Local Volume [PDF]

The Astronomical Journal, 2005
A sample of 34 dwarf irregular galaxies in the Local Volume, most nearer than 5 Mpc, has been imaged in the near-infrared (NIR) in J and K_s at CFHT in Hawaii and OAN-SPM in Mexico. In CFHT images, stars brighter than M_Ks=-7.5 were resolved. In most cases, the resolved population represents less than 5% of the total NIR flux in K_s.
Vaduvescu, Ovidiu, McCall, Marshall L., Richer, Michael G., Fingerhut, Robin L.   +3 more
openaire   +2 more sources

Discovery and Initial Investigation of a New Low Surface Brightness Planetary Nebula Candidate at High Galactic Latitude

Astronomische Nachrichten, Volume 347, Issue 3, March 2026.
ABSTRACT Planetary nebulae represent a late evolutionary phase of low‐ to intermediate‐mass stars. In this article, we present the serendipitous discovery of a previously unknown, faint potential Galactic planetary nebula (PN) in the constellation Camelopardalis, identified during a survey‐inspection, aiming at the detection of dwarf companions of the ...
W. E. Celnik, P. Köchling, S. Kotov, J. Kozok, Y. Galata, L. Magrini, A. Moiseev, M. Nischang, C. Reese, P. Remmel, P. Riepe, T. Zilch, K. Werner   +12 more
wiley   +1 more source

The Observer’s Guide to the Gamma‐Ray Burst Supernova Connection

Advances in Astronomy, Volume 2017, Issue 1, 2017., 2017
We present a detailed report of the connection between long‐duration gamma‐ray bursts (GRBs) and their accompanying supernovae (SNe). The discussion presented here places emphasis on how observations, and the modelling of observations, have constrained what we know about GRB‐SNe.
Zach Cano, Shan-Qin Wang, Zi-Gao Dai, Xue-Feng Wu, Josep M. Trigo-Rodríguez   +4 more
wiley   +1 more source

Shock metamorphic effects in Itokawa phosphates: A comparison with megaregolith‐derived meteorites

Meteoritics &Planetary Science, Volume 61, Issue 3, Page 351-370, March 2026.
Abstract Returned regolith samples from the asteroid Itokawa provide a unique opportunity to compare shock metamorphic effects in unconsolidated regolith materials with those preserved in lithified meteorites, that is, megaregolith. We analyzed four Itokawa particles (Ueda—RA‐QD02‐0519, Narahara—RA‐QD02‐0573, Domon—RA‐QD02‐0588, Ishiuchi—RX‐MD03‐0212 ...
E. Dobrică, A. N. Krot, A. J. Brearley
wiley   +1 more source

UGC 7639: A Dwarf Galaxy in the Canes Venatici I Cloud

Advances in Astronomy, Volume 2015, Issue 1, 2015., 2015
We want to get insight into the formation mechanism and the evolution of UGC 7639, a dwarf galaxy in the Canes Venatici I Cloud (CVnIC). We used archival multiwavelength data to constrain its global properties. Ultraviolet images show that UGC 7639 inner regions are composed mostly by young stellar populations.
L. M. Buson, D. Bettoni, P. Mazzei, G. Galletta, Duncan Forbes   +4 more
wiley   +1 more source

A Comprehensive Archival Search for Counterparts to Ultra-Compact High Velocity Clouds: Five Local Volume Dwarf Galaxies [PDF]

, 2015
We report five Local Volume dwarf galaxies (two of which are presented here for the first time) uncovered during a comprehensive archival search for optical counterparts to ultra-compact high velocity clouds (UCHVCs).
Bennet, P., Caldwell, N., Crnojević, D., Guhathakurta, P., Hargis, J., James, B. L., Koposov, S., McLeod, B., Morrell, N., Olszewski, E., Peacock, M., Salinas, R., Sand, D. J., Seth, A. C., Simon, J. D., Stark, D. P., Strader, J., Tollerud, E. J., Toloba, E., Willman, B.   +19 more
core   +3 more sources