Table · dataset · 2022
OPD's first speckle interferometric measures
Listed in IVOA Registry (Virtual Observatory)
In this paper we present the first speckle interferometric measurements of binary stars performed at the Observatorio do Pico dos Dias of the Laboratorio Nacional de Astrofisica in Brazil, using the 1.60m Perkin-Elmer telescope.
Description
In order to carry out these observations, we had to perform an opto-mechanical modification to Camera 1 of the 1.6 m to meet the specifications of the observational programme. We focused our efforts on objects from the Washington Double Star Catalogue that were obtained during four observing runs allocated in 2017 and 2018.
Among these objects, we have been interested in performing a follow-up observation of double stars discovered by the Hipparcos mission. We report here 464 astrometric measurements of 139 pairs, with angular separations ranging from 0.09 to 6.36arcsec, including 361 systems with separations smaller than 1arcsec. We estimated a mean error in separation of 15mas and 1.2deg in position angle.
Read the rest (1 more)
We confirmed 15 double stars discovered by Hipparcos, as well as four new pairs observed in previously known binaries turning them into triple systems, three of which have separations smaller than 0.16arcsec. With these observations we introduce a new instrument to the astronomical community available at the Observatorio do Pico dos Dias, capable of identifying relatively bright binaries, with angular separation very close to the resolution power of the telescope.
Links
Where it is published
- Reference page cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/481/5307 ↗
landing page · from IVOA Registry
Documentation and papers
- ADS 2018MNRAS.481.5307G ui.adsabs.harvard.edu/abs/2018MNRAS.481.5307G ↗
publication · from IVOA Registry
Catalogue records · 2
- VOResource record dc.g-vo.org/oai.xml?verb=GetRecord&metadataPrefix=ivo_vor&identifier=ivo%3… ↗
metadata API · from IVOA Registry
- Registry record (GAVO) dc.g-vo.org/I/cds.vizier/j/mnras/481/5307 ↗
catalogue entry · from IVOA Registry
Topics
- From keywords
- Astronomy & Astrophysics
Provenance · 1 source records, 7 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| IVOA Registry (Virtual Observatory) | ivo://cds.vizier/j/mnras/481/5307 | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| description | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_description |
| license_text | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| publication_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 | |
| title | source · IVOA Registry | connector:ivoa_registry@1.0.0 | rr.resource.res_title |
| updated_date | source · IVOA Registry | connector:ivoa_registry@1.0.0 |