| Show | Sort | Column | Constraint | Explain (UCD) |
| | | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | | Survey | (char) | Survey (ALFALFA or GALFA-HI) (meta.note) (ID_SURVEY) |
| | | ID | (char) | (i) Ultra-compact high-velocity clouds (UCHVC) ID (see the "Nomenclature" section below) (meta.id;meta.main) (ID_MAIN) |
| | | dG | (char) | Display the spectroscopy log (meta.ref.url) (DATA_LINK) |
| | | RAJ2000 | "h:m:s" | (i) [0/23] Hour of Right Ascension (J2000) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | DEJ2000 | "d:m:s" | (i) [4/36] Degree of Declination (J2000) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | VLSR | km/s | [-454/615] HI Local Standard of Rest velocity (stat.error) (VELOC_LSR) |
| | | Opt | (char) | Optical Data (meta.code;instr.filter) (INST_FILTER_CODE) |
| | | n_Opt | (char) | Notes on Opt (Note 1)
(meta.note) (NOTE) |
| | | GALEX | (char) | GALEX Data (instr.bandpass) (OBS_BAND) |
| | | n_GALEX | (char) | Notes on GALEX (Note 2)
(meta.note) (NOTE) |
| | | Comm | (char) | Comments (Note 3)
(meta.note) (REMARKS) |
| | | Sloan | | Display the online SDSS data for the nearest source (meta.ref.url) (DATA_LINK) |
| | | Simbad | | ask the Simbad data-base about this object (meta.ref.url) (DATA_LINK) |
ALL cols | | | |