On the Photometric Redshift Estimates for FR II Radio Galaxies

A. I. Kopylov (1); A. V. Temirova (2) ((1) Special Astrophysical Observatory RAS; Karachaevo-Cherkesia; Nizhnij Arkhyz; N. S. Soboleva (2); O. V. Verkhodanov (1); Pulkovo; Russia); Russia; (2) St. Petersburg Branch of the Special Astrophysical Observatory RAS; St. Petersburg

arxiv: 0705.3046 · v1 · submitted 2007-05-21 · 🌌 astro-ph

On the Photometric Redshift Estimates for FR II Radio Galaxies

O. V. Verkhodanov (1) , A. I. Kopylov (1) , Yu. N. Pariiskii (1) , N. S. Soboleva (2) , A. V. Temirova (2) ((1) Special Astrophysical Observatory RAS , Nizhnij Arkhyz , Karachaevo-Cherkesia , Russia; (2) St. Petersburg Branch of the Special Astrophysical Observatory RAS

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Pulkovo St. Petersburg Russia)

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keywords galaxiesphotometricdataellipticalpopulationradioredshiftsconfirmation

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Using the photometric data on FR II radio galaxies obtained in the Big Trio Program and data from other sources, we confirmed the stable correlation between the spectroscopic and photometric redshifts up to z~4 determined from the evolutionary synthetic spectra of elliptical galaxies. This is a confirmation for the theoretical predictions of the existence of a stellar population at high redshifts and its subsequent evolution corresponding to the population of giant elliptical galaxies.

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On the Photometric Redshift Estimates for FR II Radio Galaxies

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