NASA Logo

NTRS

NTRS - NASA Technical Reports Server

The auto‑search feature has been disabled based on user feedback. Enter a search term/phrase and click “Search” to begin.

Back to Results
On the origin of some QSO absorption linesSome QSO absorption-line systems (QSOALSs) may arise when a QSO sight line intersects a Magellanic-type irregular galaxy (i.e., a gas-rich dwarf). Much of the complexity in the line profiles of metals can be naturally explained in this manner. The frequency of occurrence of QSOALSs then requires that much of the mass of modern galaxies once resided in a halo of gas-rich dwarfs (at the epoch of QSOALS formation).
Document ID
19870040361
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
York, Donald G.
(Chicago, University IL, United States)
Dopita, Michael
(Mount Stromlo and Siding Spring Observatories Canberra, Australia)
Green, Richard
(Kitt Peak National Observatory Tucson, AZ, United States)
Bechtold, Jill
(Arizona, University Tucson, United States)
Date Acquired
August 13, 2013
Publication Date
December 15, 1986
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 311
ISSN: 0004-637X
Subject Category
Astrophysics
Report/Patent Number
ISSN: 0004-637X
Accession Number
87A27635
Funding Number(s)
CONTRACT_GRANT: NAG5-286
CONTRACT_GRANT: NAGW-507
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available