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Article Contents

ABSTRACT

1.INTRODUCTION

1.1.The Early History of the Study of CSS and GPS sources

1.2.Definitions and Samples

2.RADIO SPECTRA

2.1.Spectral Shape and Implications for Lifetimes

2.2.Redshift Dependence of the Turnover Frequency

2.3.What Causes the Turnover in GPS Sources ?

2.4.Turnover Frequency vs. Largest Linear Size

3.RADIO MORPHOLOGY

3.1.Extended Emission

4.RADIO POLARIZATION

4.1.Faraday Rotation Measures

5.VARIABILITY, PROPER MOTIONS, BEAMING, AND UNIFIED SCHEMES

6.GLOBAL RADIO PROPERTIES

6.1.Radio Power and Projected Linear Size

6.2.Comparison between the GPS/CSS and the LRL 3CR

7.FAR-INFRARED PROPERTIES

8.OPTICAL PROPERTIES

8.1.Redshift Distribution

8.2.Host Galaxy Morphologies

8.3.The Alignment Effect

8.4.Absolute Magnitudes and the Hubble Diagram

8.5.Optical Colors

8.6.Near-IR Colors

8.7.Optical Polarization

8.8Emission Line Luminosities

8.9.Emission Line Diagnostics of Reddening and Density

9.X-RAY PROPERTIES

9.1.Are the AGN in GPS Radio Galaxies Obscured ?

10.THE GAS CONTENT OF THE HOST GALAXIES

11.WHAT ARE THE CSS/GPS SOURCES ?

11.1.Transient Sources

11.2.Old, Confined (Frustrated) Sources

11.3.Young, Evolving Sources

12.CONSTRAINTS ON EVOLUTION

13.CONCLUDING REMARKS

14.FUTURE WORK

REFERENCES