VizieR Online Data Catalog: High energy peaked BL Lacs optical spectros. (Piranomonte+, 2007)
Abstract
Spectroscopic observations of the Sedentary sources still unidentified and of BL Lacs without redshift were carried out during the period 1999-2003 at the KPNO 4m, at the ESO 3.6m and at the TNG telescopes.
(3 data files).- Publication:
-
VizieR Online Data Catalog
- Pub Date:
- October 2007
- DOI:
- Bibcode:
- 2007yCat..34700787P
- Keywords:
-
- BL Lac objects;
- Surveys;
- X-ray sources;
- Radio sources;
- Redshifts