Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-11-19
Astronomy and Astrophysics
Astrophysics
10 pages + GPS master list. Accepeted for publication by A&A
Scientific paper
10.1051/0004-6361:20066183
* Aims. Identify optical counterparts, address uncertain identifications and measure previously unknown redshifts of the host galaxies of candidate GPS radio sources, and study their stellar populations. * Methods. Long slit spectroscopy and deep optical imaging in the B, V and R bands, obtained with the Very Large Telescope. * Results. We obtain new redshifts for B0316+161, B0407-658, B0904+039, B1433-040, and identify the optical counterparts of B0008-421 and B0742+103. We confirm the previous identification for B0316+161, B0407-658, B0554-026, and B0904+039, and find that the previous identification for B0914+114 is incorrect. Using updated published radio spectral information we classify as non GPS the following sources: B0407-658, B0437-454, B1648+015. The optical colors of typical GPS sources are consistent with single instantaneous burst stellar population models but do not yield useful information on age or metallicity. A new master list of GPS sources is presented.
Barthel Peter D.
Baum Stefi A.
de Vries Willem H.
Labiano Alvaro
O'Dea Christopher P.
No associations
LandOfFree
GPS radio sources: new optical observations and an updated master list does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with GPS radio sources: new optical observations and an updated master list, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and GPS radio sources: new optical observations and an updated master list will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-419771