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Table · dataset · 2008

Faint galactic satellites spectroscopic survey

Listed in IVOA Registry (Virtual Observatory)

We present the results of a spectroscopic survey of the recently discovered faint Milky Way satellites Bootes, Ursa Major I, Ursa Major II and Willman 1 (Wil1).

Description

Using the DEep Imaging Multi-Object Spectrograph mounted on the Keck II telescope, we have obtained samples that contain from ~15 to ~85 probable members of these satellites for which we derive radial velocities precise to a few km/s down to i~21-22. About half of these stars are observed with a high enough signal-to-noise ratio to estimate their metallicity to within +/-0.2dex.

The characteristics of all the observed stars are made available, along with those of the Canes Venatici I dwarf galaxy that have been analysed in a companion paper.

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Documentation and papers

Catalogue records · 2

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Optical
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Galactic astronomy 75% · Imaging 75%
Provenance · 1 source records, 10 field assertions
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IVOA Registry (Virtual Observatory)ivo://cds.vizier/j/mnras/380/28114 d agoJSON v1
FieldAssertionExtractorEvidence
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concepts[field].anzsrc:field:510104enrichment · IVOA Registrytaxonomy-embedding@1.1.0title+keywords+description (75%)
concepts[field].local:field:astronomymapping · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[modality].ivoa_waveband:opticalsource · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[modality].local:modality:imagingenrichment · IVOA Registrykeyword-concept-rules@1.0.0title+description (75%)
descriptionsource · IVOA Registryconnector:ivoa_registry@1.0.0rr.resource.res_description
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updated_datesource · IVOA Registryconnector:ivoa_registry@1.0.0