Facular points and small-scale magnetic elements

Bibcode
1990Ap&SS.170....9D
DOI
10.1007/BF00652637
del Toro Iniesta, J. C.; Collados, M.; Sanchez Almeida, J.; Martinez Pillet, V.; Ruiz Cobo, B.
Bibliographical reference

(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640X), vol. 170, no. 1-2, Aug. 1990, p. 9-16. Research supported by CICYT.

Advertised on:
8
1990
Number of authors
5
IAC number of authors
0
Citations
0
Refereed citations
0
Description
Spectroscopic observations, with high spatial resolution, of Ca II K bright points very near the disk center are presented. Magnetic concentrations have been detected in these network (facular) points by only using intensity profiles of the well-known pair of lines Fe I 5250.22 A and 5247.06 A. No brightening of these structures with respect to the quiet photosphere can be ascertained within an accuracy threshold of 1.2 percent.
Type
Non-refereed

It may interest you

  • Non-refereed
    A Systematic Search for and Characterization of White Dwarf Binaries Across the H-R Diagram
    White dwarfs (WDs) are the endpoint of evolution for 97% of stars. Most of these stars are in multiple systems, and a significant fraction of those are compact enough to exchange mass, altering the structures and subsequent evolution of both stars. The physical mechanisms that facilitate these mass exchanges include common envelope evolution, Roche
    Anguiano, Borja et al.

    Advertised on:

    6
    2024
    Bibcode
    2024AAS...24410807A
    Citations
    0
  • Non-refereed
    ROSALIA: ROman Sky Analyst for Low surface brightness Imaging & Astronomy
    Diffuse emission in the outskirts of galaxies, such as stellar tidal streams, galaxy stellar halos and intracluster light, provides important constraints on the structure and evolution of the Universe. However, such low surface brightness diffuse emission can be up to thousands of times dimmer (>29 AB mag/[square arcseconds]) than the sky
    Laine, Seppo et al.

    Advertised on:

    6
    2024
    Bibcode
    2024AAS...24412902L
    Citations
    0
  • Non-refereed
    The molecular gas perspective on the growth and death of H emitters in the Spiderweb protocluster at Alpha z=2.16
    Galaxy clusters at low redshift are dominated by massive quiescent galaxies hosting stellar populations 10 Gyrs old, indicating that they were formed in the early universe when clusters were still in the process of being assembled (i.e., protoclusters). The rapid growth of galaxies within protoclusters is driven by the efficient transformation of
    Martinez, J. M. P.

    Advertised on:

    3
    2024
    Bibcode
    2024aecc.conf...12M
    Citations
    0