Results 131 to 140 of about 2,644 (226)

Unresolved velocity structure in diffuse interstellar clouds

open access: yes, 1988
Recent high-resolution observations of interstellar absorption lines of CH and CN toward Zeta Oph obtained by Crane et al. (1986), and Palazzi et al. (1988), exhibit line widths that suggest thermal line broadening at high temperature, T about 1200 K ...
Black, J.H., Dishoeck, E.F. van
core  

Debris discs with multiple absorption features in metallic lines: circumstellar or interstellar origin?

open access: yes, 2018
Debris discs are second-generation dusty discs thought to be devoid of gas. However, this idea has been challenged in the last years by gas detections in some systems.
Iglesias, D.   +10 more
core  

Multi-wavelength probes of the Milky Way’s Cold Interstellar Medium: Radio H i and Optical K i Absorption with GASKAP and GALAH

open access: yes
We present a comparative analysis of interstellar hydrogen (H i) and potassium (K i) absorption from the radio and optical surveys, GASKAP and GALAH, to study the physical and kinematic properties of the cold interstellar medium (ISM) in the Milky Way ...
Buder, Sven   +21 more
core   +1 more source

Interstellar absorption lines in the directions of extragalactic objects – I [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1983
J. C. Blades, Donald C. Morton
openaire   +1 more source

IUE absorption studies of broad- and narrow-line gas in Seyfert galaxies

open access: yes, 1986
The interstellar medium of a galaxy containing an active nucleus may be profoundly affected by the high energy (X-ray, EUV) continuum flux emanating from the central source.
Voit, G. M.   +2 more
core  

Direct Samples of Interstellar and Interplanetary Material with IMAP. [PDF]

open access: yesSpace Sci Rev
Szalay JR   +21 more
europepmc   +1 more source

Wavelength-dependent photofragmentation of pyrazine. [PDF]

open access: yesSci Rep
Payra SS, Thakkar P, Lenka Y, Aravind G.
europepmc   +1 more source

Observations of Exocomets. [PDF]

open access: yesSpace Sci Rev
Korth J   +8 more
europepmc   +1 more source

The interstellar D1 line at high resolution

open access: yes, 1990
Observations at a resolving power or a velocity resolution are reported of the interstellar D(sub 1) line of Na I in the spectra of gamma Cas, delta Ori, epsilon Ori, pi Sco, delta Cyg, and alpha Cyg.
Hobbs, L. M., Welty, D. E.
core  

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