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Publications of the Astronomical Society of the Pacific, 1990
Pulsars are used to trace the spiral arms of the Galaxy. Present pulsar characteristics are used to divide them into two pulsar types as defined by Huang (1987). The ages of Type II pulsars and the galactic rotation curve are used to determine their position at birth.
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Pulsars are used to trace the spiral arms of the Galaxy. Present pulsar characteristics are used to divide them into two pulsar types as defined by Huang (1987). The ages of Type II pulsars and the galactic rotation curve are used to determine their position at birth.
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1991
Spiral galaxies are often spectacular and pretty looking objects, and as such capture the imagination of many astronomers. The problems of the occurrence, formation and maintenance of spiral structure continue to be popular, and a vast literature exists on the subject.
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Spiral galaxies are often spectacular and pretty looking objects, and as such capture the imagination of many astronomers. The problems of the occurrence, formation and maintenance of spiral structure continue to be popular, and a vast literature exists on the subject.
openaire +1 more source
Arm Tangents and the Spiral Structure of the Milky Way—The Age Gradient
International Journal of Astronomy and Astrophysics, 2021Jacques P. Vallée
exaly
Pattern Purity of Coiled-Arm Spiral Antennas
IEEE Transactions on Antennas and Propagation, 2011Dejan S. Filipovic, Matthew J Radway
exaly
Design and Analysis of a 3-Arm Spiral Antenna
IEEE Transactions on Antennas and Propagation, 2007Kamal Sarabandi
exaly