Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The abundance properties of nearby late-type galaxies. I. the data
Astronomical Journal, Volume 147, No. 6, Article 131, Year 2014
Notification
URL copied to clipboard!
Description
We investigate the oxygen and nitrogen abundance distributions across the optical disks of 130 nearby late-type galaxies using around 3740 published spectra of H II regions. We use these data in order to provide homogeneous abundance determinations for all objects in the sample, including H II regions in which not all of the usual diagnostic lines were measured. Examining the relation between N and O abundances in these galaxies we find that the abundances in their centers and at their isophotal R 25 disk radii follow the same relation. The variation in N/H at a given O/H is around 0.3 dex. We suggest that the observed spread in N/H may be partly caused by the time delay between N and O enrichment and the different star formation histories in galaxies of different morphological types and dimensions. We study the correlations between the abundance properties (central O and N abundances, radial O and N gradients) of a galaxy and its morphological type and dimension. © 2014. The American Astronomical Society. All rights reserved.
Authors & Co-Authors
Pilyugin, Leonid S.
Germany, Heidelberg
Astronomisches Rechen-institut
Grebel, Eva K.
Germany, Heidelberg
Astronomisches Rechen-institut
Kniazev, Alexei Yu
South Africa, Cape Town
South African Astronomical Observatory
Russian Federation, Moscow
Lomonosov Moscow State University
South Africa, Cape Town
Southern African Large Telescope Foundation
Statistics
Citations: 109
Authors: 3
Affiliations: 4
Identifiers
Doi:
10.1088/0004-6256/147/6/131
ISSN:
00046256