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Article Contents

ABSTRACT

1.INTRODUCTION
1.1.Man-made Magnetism
1.2.Natural Magnetism
1.3.Aims of this Review

2.MAGNETIC FIELDS IN SMALL BODIES: METEORITES, COMETARY NUCLEI, ASTEROIDS, MOONS, PLANETS
2.1.Remanent Magnetism
2.2.Dipolar-shaped Magnetic Field
2.3.Magnetic Moment and Angular Momentum

3.MAGNETIC FIELDS IN STARS AND IN THE INTERPLANETARY MEDIUM
3.1.Sun (~ 106 km; ~ 10-7 pc) (~ 10 Gauss)
3.2.Spiral-shaped Interplanetary Magnetic Field (~ 108 km; ~ 10-6 pc) (~ 10-5 Gauss)
3.3.Normal Stars (~ 106 to 107 km; ~ 10-7 pc)
3.4.Degenerate Stars, White Dwarfs (~ 2000 km) (~ 106 Gauss)
3.5.Neutron Stars (~ 10 km)

4.CIRCUMSTELLAR MAGNETIC FIELDS (OUT TO 200 AU; ~ 10-3 PC)
4.1.Cataclysmic Binary Objects (~ 105 km) (~ 106 Gauss) and Polars (~ 6 × 107 Gauss)
4.2.Late-type Variable Giant Stars (~ 108 km), Young Stars
4.3.Double Stars and Symbiotic Stars (~ 1010 km; ~ 10-3 pc)
4.4.Masers at Centimeter and Millimeter Wavelengths (~ 109 km; ~ 10-4 parsec)
4.5.Circumstellar Gas (out to ~ 3 × 1010 km; ~ 0.001 pc)

5.METHODOLOGY AND INSTRUMENTATION FOR PROTOSTELLAR AND INTERSTELLAR DETECTION
5.1.Basic detection concepts at Radio, Extreme IR, Far IR, and Mid IR Wavelengths
5.2.Instrumentation at Long Infrared Wavelengths

6.PREDICTED MAGNETIC FIELDS IN PROTOSTELLAR DISKS (OUT TO ~ 2000 AU OR SO; ~ 10-2 PARSEC) AND DENSE INTERSTELLAR STARFORMING CLOUDLETS (0.1 TO 1 PC)
6.1.Distinctions of sizes
6.2.Magnetic Fields and Star Formation Onsets
6.3.Collapse models
6.4.Magnetic Disk Classes
6.5.Expected B with Time
6.6.Other Theoretical Ideas

7.OBSERVED MAGNETIC FIELDS IN PROTOSTELLAR DISKS (OUT TO ~ 200 AU OR SO; ~ 10-2 PC) AND DENSE INTERSTELLAR STARFORMING CLOUDLETS (0.1 TO 1 PC)
7.1.Excess line width for small objects (sizes < 1 parsec)
7.2.Magnetic Field Strengths
7.3.Polarization Percentages and Physical Parameters
7.4.Polarization Position angles and Physical Parameters
7.5.Some Mapping Results So Far ( 10-3 Gauss)
7.6.Many Unanswered Questions

8.STRIPES AND CLOUDLETS AT NEAR-INFRARED, OPTICAL, AND ULTRAVIOLET WAVELENGTHS (~ 10-6) GAUSS)
8.1.Gas Stripes near Planetary Nebulae
8.2.Cloudlets in Filaments
8.3.Diffuse Interstellar Dust Near and in between Stars

9.CONCLUSION

REFERENCES

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