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19 papers · 2 filters
The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright Southern Stars
A. Sota, J. Maíz Apellániz, N. I. Morrell +5
We present the second installment of GOSSS, a massive spectroscopic survey of Galactic O stars, based on new homogeneous, high signal-to-noise ratio, R ~ 2500 digital observations…
Evolution of Broad-line Emission from Active Galactic Nuclei
Moshe Elitzur, Luis C. Ho, Jonathan R. Trump
Apart from viewing-dependent obscuration, intrinsic broad-line emission from active galactic nuclei (AGNs) follows an evolutionary sequence: Type …
Discovery of a transparent sightline at ρ < 20 kpc from an interacting pair of galaxies
Sean D. Johnson, Hsiao-Wen Chen, John S. Mulchaey +3
We report the discovery of a transparent sightline at projected distances of ρ < 20 kpc to an interacting pair of mature galaxies at z = 0.12. The sightline of the UV-bright quasar…
Unveiling the Structure of Barred Galaxies at 3.6 with the Spitzer Survey of Stellar Structure in Galaxies (SG): I. Disk Breaks
Taehyun Kim, Dimitri A. Gadotti, Kartik Sheth +24
We have performed two-dimensional multicomponent decomposition of 144 local barred spiral galaxies using 3.6 images from the Spitzer Survey of Stellar Structure in Galax…
ARRAKIS: Atlas of Resonance Rings As Known In the S4G
S. Comerón, H. Salo, E. Laurikainen +19
Resonance rings are the consequence of secular evolution processes that redistribute material and angular momentum in discs. We produced a Catalogue and an Atlas of the rings detec…
CHANG-ES III: UGC10288 -- An Edge-on Galaxy with a Background Double-lobed Radio Source
Judith Irwin, Marita Krause, Jayanne English +7
This 3rd paper in the CHANG-ES series shows the first results from our regular data taken with the Karl G. Jansky Very Large Array (JVLA). The edge-on galaxy, UGC 10288, has been o…