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Table · dataset · 2026

Optical identification of FASHI sources

Listed in IVOA Registry (Virtual Observatory)

We extracted a list of 662 nearby (within ~16Mpc) HI-detection sources from the Five-hundred-meter Aperture Spherical radio Telescope All Sky HI Survey and made a visual identification of them with optical counterparts.

Description

This inspection led to the discovery of 71 new dwarf galaxies. All of them are dwarf irregular galaxies with ongoing star formation.

They are characterized by the following median parameters: visual magnitude of g=17.8mag, color (g-r)=0.29mag, HI-flux S_HI_=718mJy.km/s, HI-mass M_HI_=3.7x10^7^M_{sun}_, as well as the HI line width of W50=37km/s.

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Topics

Stated by source
Radio
Inferred from text
Astronomical sciences 71%
Provenance · 1 source records, 9 field assertions
SourceKeyLast seenRaw
IVOA Registry (Virtual Observatory)ivo://cds.vizier/j/other/raa/26.i501812 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[field].anzsrc:group:5101enrichment · IVOA Registrytaxonomy-embedding@1.0.0title+keywords+description (71%)
concepts[field].local:field:astronomymapping · IVOA Registryconnector:ivoa_registry@1.0.0
concepts[modality].ivoa_waveband:radiosource · IVOA Registryconnector:ivoa_registry@1.0.0
descriptionsource · IVOA Registryconnector:ivoa_registry@1.0.0rr.resource.res_description
license_textsource · IVOA Registryconnector:ivoa_registry@1.0.0
publication_datesource · IVOA Registryconnector:ivoa_registry@1.0.0
titlesource · IVOA Registryconnector:ivoa_registry@1.0.0rr.resource.res_title
updated_datesource · IVOA Registryconnector:ivoa_registry@1.0.0