Results 61 to 70 of about 30,812 (255)

HEAD IN THE STARS, FEET ON THE GROUND: Scale and Astronomy Initiatives in Southern Africa

Cultural Anthropology, Volume 40, Issue 4, Page 571-596, November 2025.
ABSTRACT This article explores the evolution of radio astronomy in South Africa and Madagascar, focusing on how “scale” functions as both a way of understanding the world and marking differences in existence. In outer space research, the ground is crucial but often overlooked.
HANNA NIEBER, DAVIDE CHINIGÒ
wiley   +1 more source

Properties of the Magellanic Corona

The Astrophysical Journal
We characterize the Magellanic Corona, the warm gaseous halo around the Large Magellanic Cloud (LMC). The Corona is a key ingredient in the formation of the Magellanic Stream and has recently been observed in high-ion absorption around the LMC.
Scott Lucchini, Elena D’Onghia, Andrew J. Fox   +2 more
doaj   +1 more source

The disruption of nearby galaxies by the Milky Way [PDF]

, 1998
Interactions between galaxies are common and are an important factor in determining their physical properties such as position along the Hubble sequence and star-formation rate.
Banks, G., Barnes, D. G., Bhatal, R., Disney, M. J., Ekers, R. D., Freeman, K. C., Gibson, B. K., Haynes, R. F., Henning, P., Jerjen, H., Kilborn, V., Knezek, P., Koribalski, B., Malin, D. F., Mould, J. R., Oosterloo, T., Price, R. M., Putman, M. E., Ryder, S. D., Sadler, E. M., Staveley-Smith, L., Stewart, I., Stootman, F., Vaile, R. A., Webster, R. L., Wright, A. E.   +25 more
core   +2 more sources

On the Age Distribution of Classical Cepheids in the Galaxy

Astronomische Nachrichten, Volume 346, Issue 5, June 2025.
ABSTRACT We revisit the problem of the positive correlation between age and Galactocentric distance seen in Galactic Classical Cepheids, which at first sight may seem counter‐intuitive in the context of inside‐out galaxy formation. To explain it, we use the Besançon Galaxy Model and a simulation of star particles in the Galactic disc coupled with ...
Friedrich Anders, Chloé Padois, Marc Vilanova Sar, Marcin Semczuk, Marc del Alcázar‐Julià, Francesca Figueras   +5 more
wiley   +1 more source

Surveys of the Milky Way and Magellanic System in the λ21-cm line of atomic hydrogen

EPJ Web of Conferences, 2012
In the next three years, surveys of the Northern and Southern skies using focal plane arrays on aperture synthesis radio telescopes will lead to a breakthrough in our knowledge of the warm and cool atomic phases of the interstellar medium and their ...
Dickey J.M.
doaj   +1 more source

Towards a fundamental astrometric reference system behind the Malleganic clouds : spectroscopic confirmation of new quasar candidates selected in the near-infrared [PDF]

, 2016
Quasi-stellar objects (quasars) located behind nearby galaxies provide an excellent absolute reference system for astrometric studies, but they are difficult to identify because of fore- and background contamination.
Bekki, Kenji, Cioni, Maria-Rosa Lucia, De Grijs, Richard, Emerson, Jim, For, Bi-Qing, Gibson, Brad K., Ivanov, Valentin D., Kamath, Devika, Piatti, Andrés, Van Loon, Jacco Th   +9 more
core   +1 more source

Testing the effects of opacity and the chemical mixture on the excitation of pulsations in B stars of the Magellanic Clouds [PDF]

, 2012
The B-type pulsators known as \beta Cephei and Slowly Pulsating B (SPB) stars present pulsations driven by the \kappa mechanism, which operates thanks to an opacity bump due to the iron group elements.
A. Miglio, A. Noels, Aerts, Andrievsky, Angulo, Asplund, Asplund, Ausseloos, Badnell, Bahcall, Baker, Briquet, Buchler, Böhm-Vitense, Carrera, Cox, Cox, Daszyńska-Daszkiewicz, Daszyńska-Daszkiewicz, De Propris, Desmet, Diago, Dupret, Dupret, Dziembowski, Dziembowski, Dziembowski, Esteban, Formicola, Garnett, Gilles, Gonzalez, Grevesse, Hill, Hill, Hill, Hunter, Hunter, Hunter, Idiart, Iglesias, J. Montalbán, Jeffery, Karoff, Korn, Korn, Korn, Kołaczkowski, Kurt, Lebouteiller, Lennon, Loisel, Luck, M.-A. Dupret, Mazumdar, Miglio, Miglio, Montalbán, Montalbán, Montalbán, Moskalik, Pamyatnykh, Pamyatnykh, Pamyatnykh, Parisi, Parisi, Peimbert, Piatti, Piatti, Reyes, Rogers, Rogers, Rolleston, Rolleston, Romaniello, Russell, S. Salmon, Sarro, Scuflaire, Seaton, Seaton, Simon, Stankov, T. Morel, Thoul, Trundle, Turck-Chièze, Unno, Venn, Venn, Vermeij, Waelkens, Zdravkov   +92 more
core   +1 more source

Lactea: Web‐Based Spectrum‐Preserving Multi‐Resolution Visualization of the GAIA Star Catalog

Computer Graphics Forum, Volume 44, Issue 3, June 2025.
Abstract The explosion of data in astronomy has resulted in an era of unprecedented opportunities for discovery. The GAIA mission's catalog, containing a large number of light sources (mostly stars) with several parameters such as sky position and proper motion, is playing a significant role in advancing astronomy research and has been crucial in ...
Reem Alghamdi, Markus Hadwiger, Guido Reina, Alberto Jaspe‐Villanueva   +3 more
wiley   +1 more source

Astrophysical Distance Scale. VII. A Self-consistent, Multiwavelength Calibration of the Slopes and Relative Zero Points for the Run of Luminosity with the Color of Stars Defining the Tip of the Red Giant Branch

The Astronomical Journal, 2023
Given the recent successful launch of the James Webb Space Telescope, determining robust calibrations of the slopes and absolute magnitudes of the near- to mid-infrared tip of the red-giant branch (TRGB) will be essential to measuring precise ...
Barry F. Madore, Wendy L. Freedman, Kayla Owens   +2 more
doaj   +1 more source

Pulsating variable stars in the Magellanic Clouds

, 2009
Pulsating variable stars can be powerful tools to study the structure, formation and evolution of galaxies. I discuss the role that the Magellanic Clouds' pulsating variables play in our understanding of the whole Magellanic System, in light of results ...
Bauer, Borissova, Borissova, Caputo, Fouqué, Gisella Clementini, Gratton, Kubiak, Lebzelter, Ngeow, Ngeow, Romaniello, Romaniello, Sandage, Sasselov, Soszyński, Soszyński, Soszyński, Soszyński, Soszyński, Soszyński, Soszyński, Tammann, Tammann, Tammann, Udalski, Udalski, Udalski, Udalski, Walker, Wood   +30 more
core   +1 more source