The DOI matches its Crossref record.
Zeeman Effect in Stellar Spectra.
Abstract
Some stars of early spectral type which exhibit sharp metallic lines may be in rapid rotation, with their axes directed nearly toward the observer. On the possibility that strong magnetic fields are corre- lated with rapid rotation in such objects, the Zeeman effect for a normal triplet line, as observed through a circular analyzer, has been integrated over the visible hemisphere of the star. Reasonable assumptions are made regarding field distribution and limb darkening. It is found that the integrated Zeeman effect for a normal triplet should give a displacement of about 3 X 106 A/gauss at A 4600. Observations of the star 78 Vir (type A2p), made with a differential circular analyzer in front of the slit of the coudé spectrograph of the 100-inch telescope, show displacements of the metallic absorption lines that are interpreted as a Zeeman effect resulting from a general magnetic field having a strength of 1500 gauss at the pole. The control star ~ Peg (type KO) shows no effect
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Citations
Cited by
A fossil origin for the magnetic field in A stars and white dwarfs
Braithwaite, J., & Spruit, H. C. (2004) · Nature · doi:10.1038/nature02934 · Cited by 489
Atoms in high magnetic fields (white dwarfs)
Garstang, R. H. (1977) · Reports on Progress in Physics · doi:10.1088/0034-4885/40/2/001 · Cited by 383
THE MAGNETIC FIELD OF MASSIVE ROTATING BODIES*
BLACKETT, P. M. S. (1947) · Nature · doi:10.1038/159658a0 · Cited by 260
Milestones in the Observations of Cosmic Magnetic Fields
Han, J.-L., & Wielebinski, R. (2002) · Chinese Journal of Astronomy and Astrophysics · doi:10.1088/1009-9271/2/4/293 · Cited by 84
“As mentioned in the Introduction, the optical Zeeman effect was used by G.E. Hale at the turn of the 20th century to measure the magnetic field of the Sun and by Babcock (1947) to measure the magnetic fields in peculiar magnetic stars.”
BackgroundMethod
Metadata
- Authors
- Babcock, H. W.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1947-01
- Volume
- 105
- Pages
- 105
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2050107231
- Cited by
- 309
- References
- 0
- FWCI
- 41.31
- Type
- journal article
- Language
- en
- Open access
- closed
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- Babcock, H. W. (1947). Zeeman Effect in Stellar Spectra. The Astrophysical Journal. https://doi.org/10.1086/144887
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