Results 51 to 60 of about 32,885 (244)

Position and Proper Motion of Sagittarius A* in the ICRF3 Frame from VLBI Absolute Astrometry [PDF]

, 2023
David Gordon, Aletha de Witt, C. S. Jacobs   +2 more
openalex   +1 more source

Signatures of minor mergers in the Milky Way disc I: The SEGUE stellar sample

, 2012
It is now known that minor mergers are capable of creating structure in the phase-space distribution of their host galaxy's disc. In order to search for such imprints in the Milky Way, we analyse the SEGUE F/G-dwarf and the Schuster et al. (2006) stellar
Aihara, Allende Prieto, An, An, Antoja, Antoja, Antoja, Arifyanto, Behroozi, Bensby, Bird, Bissantz, Brian W. O’Shea, Bullock, Cabrera-Lavers, Carollo, Chris W. Purcell, Cole, Conn, Conroy, Dehnen, Dehnen, Deokkeun An, Dobbs, Elmegreen, Elmegreen, Facundo A. Gómez, Fux, Gómez, Gómez, Gómez, Helmi, Helmi, Helmi, Hernquist, Høg, Ibata, Ivan Minchev, James S. Bullock, Kazantzidis, Kazantzidis, Keselman, King, Klement, Klypin, Kormendy, Lee, Lee, Lee, Lee, Levine, Majewski, Michel-Dansac, Minchev, Minchev, Minchev, Minchev, Miyamoto, Momany, Munn, Munn, Navarro, Navarro, Newberg, Nissen, Oh, Perryman, Perryman, Peñarrubia, Peñarrubia, Pohl, Purcell, Quillen, Quillen, Quinn, Salim, Schlesinger, Schuster, Schönrich, Smolinski, Timothy C. Beers, Tutukov, Villalobos, Wylie-de Boer, Yanny, Yanny, Young Sun Lee, Younger, Álvaro Villalobos   +88 more
core   +1 more source

Exploring Sagittarius A* in gamma-rays with Fermi LAT Telescope [PDF]

, 2021
Fabio Cafardo
openalex   +1 more source

Chemical Cartography of the Sagittarius Stream with Gaia

The Astrophysical Journal
The stellar stream connected to the Sagittarius (Sgr) dwarf galaxy is the most massive tidal stream that has been mapped in the Galaxy, and is the dominant contributor to the outer stellar halo of the Milky Way (MW).
Emily C. Cunningham, Jason A. S. Hunt, Adrian M. Price-Whelan, Kathryn V. Johnston, Melissa K. Ness, Yuxi (Lucy) Lu, Ivanna Escala, Ioana A. Stelea   +7 more
doaj   +1 more source

Tracing out the Northern Tidal Stream of the Sagittarius Dwarf Spheoridal Galaxy

, 2003
The main aim of this paper is to report two new detections of tidal debris in the northern stream of the Sagittarius dwarf galaxy located at 45 arcdeg and 55 arcdeg from the center of galaxy.
Antonio Aparicio, Arnold R., Bertelli G., David Martinez‐Delgado, Fux R., Gomez-Flechoso M. A., Ibata R., M. Angeles Gomez‐Flechoso, Ricardo Carrera, Sellwood J. A.   +9 more
core   +3 more sources

A Sagittarius-Induced Origin for the Monoceros Ring

, 2011
The Monoceros ring is a collection of stars in nearly-circular orbits at roughly 18 kpc from the Galactic center. It may have originated (i) as the response of the disc to perturbations excited by satellite companions or (ii) from the tidal debris of a ...
Abadi, Mario G., Michel-Dansac, Leo, Navarro, Julio F., Steinmetz, Matthias   +3 more
core   +3 more sources

The Structure of the Sagittarius Stellar Stream as Traced by Blue Horizontal Branch Stars [PDF]

, 2011
We use a sample of blue horizontal branch (BHB) stars from the Sloan Digital Sky Survey Data Release 7 to explore the structure of the tidal tails from the Sagittarius Dwarf Galaxy. We use a method yielding BHB star candidates with up to ~70% purity from
Abazajian, Bell, Bell, Bellazzini, Bellazzini, Bellazzini, Belokurov, Belokurov, Belokurov, Blanton, Bullock, Bullock, Carrera, Casetti-Dinescu, Christine Ruhland, Cohen, Correnti, Dalessandro, Dall’Ora, de Jong, Dotter, Dotter, Eric F. Bell, Fellhauer, Grillmair, Grillmair, Grillmair, Gunn, Gunn, Hans-Walter Rix, Helmi, Hilker, Hogg, Ibata, Ibata, Ibata, Johnston, Johnston, Johnston, Kinman, Koposov, Law, Law, Law, Lee, Lupton, Majewski, Majewski, Martínez-Delgado, Martínez-Delgado, Martínez-Delgado, Mighell, Monaco, Moore, Mouhcine, Newberg, Newberg, Niederste-Ostholt, Pier, Preston, Ripepi, Sandquist, Sharma, Siegel, Sirko, Skrutskie, Smith, Stoughton, Strauss, Tammann, Wilhelm, Xiang-Xiang Xue, Xue, Xue, Yanny, Yanny, Yanny, Zheng   +77 more
core   +2 more sources

Astrometry of Galactic Star-Forming Region G48.61+0.02 with VERA

, 2011
We performed the astrometry of H2O masers in the Galactic star-forming region G48.61+0.02 with the VLBI Exploration of Radio Astrometry (VERA). We derived a trigonometric parallax of 199+/-7 micro as, which corresponds to a distance of 5.03+/-0.19 kpc ...
Handa, Toshihiro, Honma, Mareki, Kawaguchi, Noriyuki, Kobayashi, Hideyuki, Nagayama, Takumi, Nakagawa, Akiharu, Omodaka, Toshihiro, Ueno, Yuji   +7 more
core   +1 more source

The Carina Nebula and Gum 31 molecular complex: II. The distribution of the atomic gas revealed in unprecedented detail [PDF]

, 2017
We report high spatial resolution observations of the HI 21cm line in the Carina Nebula and the Gum 31 region obtained with the Australia Telescope Compact Array.
Braiding, Catherine, Breen, Shari L., Brooks, Kate, Burton, Michael, Contreras, Yanett, Gaensler, B. M., Green, Anne J., Purcell, Cormac, Rebolledo, David   +8 more
core   +3 more sources

Mapping Observations of Peptide-like Molecules around Sagittarius B2

The Astrophysical Journal
Peptide-like molecules, which have a close connection with the origin of life, have been detected in the Universe. Mapping observations of HCONH _2 and CH _3 CONH _2 , two of the simplest peptide-like molecules, are performed toward the Sagittarius B2 ...
Siqi Zheng, Juan Li, Junzhi Wang, Yao Wang, Feng Gao, Donghui Quan, Fujun Du, Yajun Wu, Edwin Bergin, Yuqiang Li   +9 more
doaj   +1 more source