Results 101 to 110 of about 63,242 (201)

Optical Interstellar Absorption Features [PDF]

Monthly Notices of the Royal Astronomical Society, 1968
W. Buscombe, P. M. Kennedy
openaire   +1 more source

A Study of Interstellar Medium in the Line of Sight of Transient Neutron Star Low-Mass X-ray Binary, MXB 1659-298, by Timing and Spectral Analysis

Galaxies
This work is dedicated to the study of interstellar medium (ISM) along the line of sight (LOS) of the transient low-mass X-ray binary, MXB 1659-298, capitalizing the high resolving power of XMM-Newton in the soft energy range.
Rabindra Mahato, Parag Bhattacharya, Monmoyuri Baruah   +2 more
doaj   +1 more source

Analysis of ultraviolet spectrophotometric data from Copernicus [PDF]

Ultraviolet spectral data from the OAO 3 satellite are being used to study interstellar absorption lines and stellar and circumstellar lines in hot stars.
Snow, T. P., Jr.
core   +1 more source

Cyclic C4+ as the Carrier of the Diffuse Interstellar Band at 503.9 nm?

The Astrophysical Journal
The diffuse interstellar bands (DIBs) have remained a mystery in astronomy since their discovery over a century ago. The only currently known carrier is ${{\rm{C}}}_{60}^{+}$ , responsible for five DIBs, while more than 550 are yet to be interpreted. The
Serge. A. Krasnokutski, Lisa Ganner, Milan Ončák, Florian Foitzik, Stefan Bergmeister, Fabio Zappa, Paul Scheier, Elisabeth Gruber   +7 more
doaj   +1 more source

Loop I/NPS Morphology Predictions in the Ultralong-wavelength Band

The Astrophysical Journal
Loop I/North Polar Spur (NPS) is the giant arc structure above the Galactic plane observed at radio wavelengths (≲10 GHz). There has been long-standing debate about its origin. While many people believe that it consists of nearby supernova remnants (SNRs)
Yanping Cong, Bin Yue, Yidong Xu, Furen Deng, Jiajun Zhang, Xuelei Chen   +5 more
doaj   +1 more source

Distance to the Galactic Center 7′ Halo from H I Absorption

The Astrophysical Journal
Using archival data, we have made an H I absorption study of the 7 ${}^{{\prime} }$ halo surrounding the Sgr A complex, observed toward the Galactic center (GC) region. We find strong H I absorption near velocities of −53 km s ^−1 , which is due to the 3
Debangan Maji, Subhashis Roy
doaj   +1 more source

Toward a 2D H I Map of the Local Interstellar Medium

The Astronomical Journal
Obtaining a complete census of gas in the local interstellar medium (LISM;
Allison Youngblood, Kevin France, Tommi Koskinen, James Paul Mason, Seth Redfield, Brian E. Wood, Vincent Bourrier, Leonardo dos Santos, Christopher Johns-Krull, George W. King, Jeffrey L. Linsky, Sarah Peacock   +11 more
doaj   +1 more source

Inverse Raman Scattering and the Diffuse Interstellar Bands: An Exploration of the Systemic Interconnections between Spontaneous and Inverse Raman Scattering and Extended Red Emission, Red Rectangle Bands, and Diffuse Interstellar Bands

The Astrophysical Journal
First identified in 1964, inverse Raman scattering (IRS) is a nonlinear stimulated phenomenon that induces Raman-scattered absorptions where Raman emissions would be expected.
Frédéric Zagury
doaj   +1 more source

A High-resolution Study of the Cold Neutral Medium in and around 30 Doradus

The Astrophysical Journal
With the aim of evaluating the roles of the cold neutral medium (CNM) in the cloud-scale baryon cycle, we perform a high-resolution study of the CNM in and around the extreme star-forming region 30 Doradus (30 Dor).
Gyueun Park, Min-Young Lee, John M. Dickey, Nick M. Pingel, James Dempsey, Helga Dénes, Steven Gibson, Katie Jameson, Ian Kemp, Chang-Goo Kim, Denis Leahy, Bumhyun Lee, Callum Lynn, Yik Ki Ma, Antoine Marchal, Naomi M. McClure-Griffiths, Eric Muller, Hiep Nguyen, Snežana Stanimirović, Jacco Th. Van Loon, (The GASKAP-H I collaboration)   +20 more
doaj   +1 more source

CLASSY. XI. Tracing Neutral Gas Properties Using UV Absorption Lines and 21 cm Observations

The Astrophysical Journal
Rest-frame far-ultraviolet (FUV) observations from JWST are revolutionizing our understanding of the high- z galaxies that drove reionization and the mechanisms by which they accomplished it.
Kaelee S. Parker, Danielle A. Berg, Simon Gazagnes, John Chisholm, Bethan L. James, Matthew Hayes, Timothy Heckman, Alaina Henry, Michelle A. Berg, Karla Z. Arellano-Córdova, Xinfeng Xu, Dawn K. Erb, Crystal L. Martin, Weida Hu, Evan D. Skillman, Kristen B. W. McQuinn, Zuyi Chen, Dan P. Stark   +17 more
doaj   +1 more source