| Show | Sort | Join tables | Column | Constraint | Explain (UCD) |
| | | (ALL) | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
| | |  (ALL) | GASS | | (i) GASS number (meta.id;meta.main) (ID_MAIN) |
| | | (1) | H | (char) | H indicates the sources with HI detections (in tablea2) (meta.ref.url) (DATA_LINK) |
| | | (1+2+3) | SDSS | (char) | SDSS designation (JHHMMSS.ss+DDMMSS.s) (meta.id.cross) (ID_CROSSID) |
| | | (1) | OName | (char) | Other name (Note 1)
(meta.id) (ID_ALTERNATIVE) |
| | | (1+2) | z | | SDSS redshift (Note G2)
(src.redshift) (REDSHIFT_HC) |
| | | (1) | logM* | [Msun] | Stellar mass (Note 3)
(phys.mass) (PHYS_MASS_MISC) |
| | | (1) | R50z | arcsec | Radius containing 50% of the Petrosian flux in z-band (phys.angSize;src) (EXTENSION_RAD) |
| | | (1) | R50r | arcsec | Radius containing 50% of the Petrosian flux in r-band (phys.angSize;src) (EXTENSION_RAD) |
| | | (1) | R90r | arcsec | Radius containing 90% of the Petrosian flux in r-band (phys.angSize;src) (EXTENSION_RAD) |
| | | (1) | logmu* | [Msun/kpc2] | Stellar mass surface density (Note 4)
(phys.density) (PHYS_DENSITY_MASS_SURF) |
ALL cols | | | |
| | | (1) | extr | mag | Galactic extinction in r band, from SDSS (phys.absorption) (PHOT_EXTINCTION_TOTAL) |
| | | (1) | rmag | mag | r-band model magnitude from SDSS, corrected for Galactic extinction (phot.mag;em.opt.R) (PHOT_SDSS_R) |
| | | (1) | b/a | | Minor-to-major axis ratio the exponential fit in r band, from SDSS (phys.angSize;arith.ratio) (PHYS_AXIS-RATIO) |
| | | (1) | i | deg | Inclination to the line-of-sight (src.orbital.inclination) (POS_INCLIN_LOS) |
| | | (1) | NUVr | mag | (n) NUV-r observed colour index from our reprocessed photometry, corrected for Galactic extinction (phot.color;em.UV;em.opt) (PHOT_CI_UV-OPT) |
| | | (1) | tNUV | s | (n) Integration time of GALEX NUV image (time.expo) (TIME_EXPTIME) |
| | | (1) | tmax | min | Maximum on-source integration time required to reach the limiting HI mass fraction (Note 5)
(time.expo) (TIME_EXPTIME) |
| | | (1) | Sloan | (char) | Display the SDSS data for this galaxy (meta.ref.url) (DATA_LINK) |
| | | (1) | Simbad | (char) | ask the Simbad data-base about this object (meta.ref.url) (DATA_LINK) |
| | | (1) | _RA | deg | (i) Positions from SDSS name (right ascension part) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | (1) | _DE | deg | (i) Positions from SDSS name (declination part) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | (2+3) | n_GASS | (char) | [*] * indicates a note in notes.dat file (meta.note) (NOTE) |
| | | (2+3) | zsp | | SDSS redshift (Note G2)
(src.redshift) (REDSHIFT_HC) |
ALL cols | | | |
| | | (2+3) | ton | min | On-source integration time of the Arecibo observation (Note G1)
(time.expo) (TIME_EXPTIME) |
| | | (2) | DV | km/s | Velocity resolution of the final, smoothed spectrum (spect.resolution) (SPECT_RESOLUTION) |
| | | (2) | W50 | km/s | Observed velocity width of the source line profile, measured at the 50% level of each peak (spect.line.width) (SPECT_VELOC_WIDTH) |
| | | (2) | e_W50 | km/s | rms uncertainty on W50 (Note 3)
(stat.error) (ERROR) |
| | | (2) | W50c | km/s | Velocity width corrected for instrumental broadening and cosmological redshift only (Note 4)
(spect.line.width) (SPECT_VELOC_WIDTH) |
| | | (2) | FHI | Jy.km/s | Observed, integrated HI-line flux density, measured on the smoothed and baseline-subtracted spectrum (phot.flux.density) (SPECT_FLUX_VALUE) |
| | | (2) | e_FHI | Jy.km/s | rms uncertainty on FHI (Note 3)
(stat.error) (ERROR) |
| | | (2+3) | rms | mJy | rms noise of the observation, measured on the signal- and RFI-free portion of the smoothed spectrum (stat.stdev;instr.det.noise;obs) (INST_NOISE) |
| | | (2) | S/N | | Signal-to-noise ratio of the HI spectrum (Note 5)
(stat.snr) (INST_S/N) |
| | | (2) | logMHI | [Msun] | HI mass (phys.mass) (PHYS_MASS_MISC) |
| | | (2+3) | logMHI/M* | [-] | HI mass fraction (phys.mass;arith.ratio) (PHYS_MASS_FRACTIONAL) |
| | | (2) | Q | | [1/5] Quality flag, 1=good (Note 6)
(meta.code.qual) (CODE_QUALITY) |
| | | (3) | logMHIlim | [Msun] | Upper limit on the HI mass (Note 1)
(phys.mass) (PHYS_MASS_MISC) |
ALL cols | | | |
| | | (4) | Note | (char) | Text of the note (meta.note) (NOTE) |
ALL cols | | | |