264 citations · 2k across the 46 of their papers we have counts for
43 papers · 1 filter
Solar System Migration Points to a Renewed Concept: Galactic Habitable Orbits
Junichi Baba, Takuji Tsujimoto, Takayuki R. Saitoh
Astrophysical evidence suggests that the Sun was born near 5 kpc from the Galactic center, within the corotation radius of the Galactic bar, around 6-7 kpc. This presents challenge…
Exploring the Sun's birth radius and the distribution of planet building blocks in the Milky Way galaxy: A multi-zone Galactic chemical evolution approach
Junichi Baba, Takayuki R. Saitoh, Takuji Tsujimoto
We explore the influence of the Milky Way galaxy's chemical evolution on the formation, structure, and habitability of the Solar system. Using a multi-zone Galactic Chemical Evolut…
Dynamical Influence of a Central Massive Object on Double-Barred Galaxies: Self-Destruction Mechanism of Secondary Bars
Naoki Nakatsuno, Junichi Baba
Double-barred galaxies exhibit sub-kpc secondary stellar bars that are crucial for channeling gases towards a central massive object (CMO) such as a supermassive black hole or a nu…
Detecting a disk bending wave in a barred-spiral galaxy at redshift 4.4
Takafumi Tsukui, Emily Wisnioski, Joss Bland-Hawthorn +4
The recent discovery of barred spiral galaxies in the early universe () poses questions of how these structures form and how they influence galaxy evolution in the early unive…
Efficient radial migration by giant molecular clouds in the first several hundred Myr after the stellar birth
Yusuke Fujimoto, Shu-ichiro Inutsuka, Junichi Baba
Stars in the Galactic disc, including the Solar system, have deviated from their birth orbits and have experienced radial mixing and vertical heating. By performing hydrodynamical…
Diverse Molecular Structures Across The Whole Star-Forming Disk of M83: High fidelity Imaging at 40pc Resolution
Jin Koda, Akihiko Hirota, Fumi Egusa +23
We present high-fidelity CO(1-0) imaging of molecular gas across the full star-forming disk of M83, using ALMA's 12m, 7m, and TP arrays and the MIRIAD package. The data have a mass…