| Column | Value | | Explain (UCD) |
| _RAJ2000 | 12 42 08.000 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA) |
| _DEJ2000 | +32 32 29.40 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC) |
| _RAB1950 | 12 39 41.843 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA) |
| _DEB1950 | +32 48 55.30 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC) |
| _Glon | 142.805613 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON) |
| _Glat | +84.223426 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT) |
| 727recno | 727 | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
|
| Name | NGC 4631 | | Galaxy Name (meta.id;meta.main) (ID_MAIN) |
| RAJ2000 | 12 42 08.0 | "h:m:s" | (i) Hour of Right Ascension (J2000) (Note 1)
(pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| DEJ2000 | +32 32 29.4 | "d:m:s" | (i) Degree of Declination (J2000) (Note 1)
(pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| MajAxis | 15.5 | arcmin | Major-axis diameter of the D25 ellipse (phys.angSize) (EXTENSION_DIAM) |
| MinAxis | 2.7 | arcmin | Minor-axis diameter of the D25 ellipse (phys.angSize) (EXTENSION_DIAM) |
| PA | 86 | deg | Position angle of the D25 ellipse (Note 2)
(pos.posAng) (POS_POS-ANG) |
| Dist | 9.00 | Mpc | Distance to the galaxy (pos.distance;pos.heliocentric) (POS_GAL_HC) |
| r_Dist | 3 | | Reference from which Dist was taken, in notes.dat file (meta.ref;pos.frame) (REFER_CODE) |
| DM | 29.77 | mag | Distance modulus (phot.mag.distMod) (PHOT_DIST-MOD) |
| E(B-V) | 0.02 | mag | Galactic color excess (Note 3)
(phot.color.excess) (PHOT_COLOR_EXCESS) |
| Morph | SB(s)d | | NED morphological type (src.morph.type) (MORPH_TYPE) |
| T | 7.0 | | Morphological type T (Note 4)
(src.morph.type) (MORPH_TYPE) |
| e_T | 0.3 | | Uncertainty in T (stat.error) (ERROR) |
| SpType | | | Spectral type from NED (src.spType) (SPECT_TYPE_GENERAL) |
|
| SimbadName | NGC 4631 | | Designation understandable by the Simbad data-base (meta.id) (ID_ALTERNATIVE) |
| NED | NED | | ask the NED data-base about this object (DATA_LINK) |
|
| Obs.Date | 2004-04-06 | "Y:M:D" | Date of the observation (time.epoch;obs) (TIME_DATE) |
| TExp | 550 | s | Exposure time (time.duration;obs.exposure) (TIME_EXPTIME) |
| Tile | NGA-NGC4631 | | Tile name assigned by the GALEX mission (Note 1)
(meta.code;obs) (OBS_CODE) |
| FUV | 2.40e-04 | ct/s | FUV (120-177nm) image mean sky background (instr.background) (INST_BACKGROUND) |
| sigFUV | 7.11e-04 | ct/s | Mean standard deviation of the FUV sky (Note 2)
(stat.error) (ERROR) |
| e_FUV | 4.65e-05 | ct/s | The standard deviation of the mean FUV sky (stat.error) (ERROR) |
| NUV | 2.55e-03 | ct/s | Mean NUV (177-300nm) sky background (instr.background) (INST_BACKGROUND) |
| sigNUV | 2.52e-03 | ct/s | Mean standard deviation of the NUV sky (Note 2)
(stat.error) (ERROR) |
| e_NUV | 1.35e-04 | ct/s | The standard deviation of the mean NUV sky (stat.error) (ERROR) |
| Notes | | | Additional notes (Note 3)
(meta.note) (NOTE) |
| asyFUV | 11.76 | mag | Observed asymptotic FUV (120-177nm) AB magnitude (phot.mag;em.UV) (PHOT_MAG_UV) |
| e_asyFUV | 0.01 | mag | Uncertainty in asyFUV (Note 1)
(stat.error) (ERROR) |
| asyNUV | 11.49 | mag | Observed asymptotic NUV (177-300nm) AB magnitude (phot.mag;em.UV) (PHOT_MAG_UV) |
| e_asyNUV | 0.01 | mag | Uncertainty in asyNUV (Note 1)
(stat.error) (ERROR) |
| asy(F-N) | 0.28 | mag | Observed asymptotic (FUV-NUV) color (phot.color;em.UV) (PHOT_CI_UV) |
| e_asy(F-N) | 0.01 | mag | Uncertainty in asy(F-N) (phot.color;em.UV) (PHOT_CI_UV) |
| D25FUV | 11.85 | mag | Observed D25 ellipse FUV band AB magnitude (phot.mag;em.UV) (PHOT_MAG_UV) |
| e_D25FUV | 0.01 | mag | Uncertainty in D25FUV (Note 1)
(stat.error) (ERROR) |
| D25NUV | 11.56 | mag | Observed D25 ellipse NUV band AB magnitude (phot.mag;em.UV) (PHOT_MAG_UV) |
| e_D25NUV | 0.01 | mag | Uncertainty in D25NUV (Note 1)
(stat.error) (ERROR) |
| D25(F-N) | 0.30 | mag | Observed D25 ellipse (FUV-NUV) color (phot.color;em.UV) (PHOT_CI_UV) |
| e_D25(F-N) | 0.01 | mag | Uncertainty in D25(F-N) (phot.color;em.UV) (PHOT_CI_UV) |
| AFUV | 0.13 | mag | Foreground FUV extinction (phys.absorption) (PHOT_EXTINCTION_ISM) |
| ANUV | 0.14 | mag | Foreground NUV extinction (phys.absorption) (PHOT_EXTINCTION_ISM) |
| asyFUVc | 11.63 | mag | Asymptotic FUV (120-177nm) magnitude (Note 1)
(phot.mag;em.UV) (PHOT_MAG_UV) |
| e_asyFUVc | 0.01 | mag | Uncertainty in asyFUV (Note 2)
(stat.error) (ERROR) |
| asyNUVc | 11.35 | mag | Asymptotic NUV (177-300nm) magnitude (Note 1)
(phot.mag;em.UV) (PHOT_MAG_UV) |
| e_asyNUVc | 0.01 | mag | Uncertainty in asyNUV (Note 2)
(stat.error) (ERROR) |
| asy(F-N)c | 0.28 | mag | Asymptotic (FUV-NUV) color (Note 1)
(phot.color;em.UV) (PHOT_CI_UV) |
| e_asy(F-N)c | 0.01 | mag | Uncertainty in asy(F-N) (Note 2)
(phot.color;em.UV) (PHOT_CI_UV) |
| D25FUVc | 11.72 | mag | D25 ellipse FUV band magnitude (Note 1)
(phot.mag;em.UV) (PHOT_MAG_UV) |
| e_D25FUVc | 0.01 | mag | Uncertainty in D25FUV (Note 2)
(stat.error) (ERROR) |
| D25NUVc | 11.42 | mag | D25 ellipse NUV band magnitude (Note 1)
(phot.mag;em.UV) (PHOT_MAG_UV) |
| e_D25NUVc | 0.01 | mag | Uncertainty in D25NUV (Note 2)
(stat.error) (ERROR) |
| D25(F-N)c | 0.30 | mag | D25 ellipse (FUV-NUV) color (Note 1)
(phot.color;em.UV) (PHOT_CI_UV) |
| e_D25(F-N)c | 0.01 | mag | Uncertainty in D25(F-N) (Note 2)
(phot.color;em.UV) (PHOT_CI_UV) |
| logFUV | 36.19 | [W] | Log of the FUV (120-177nm) luminosity (phys.luminosity;em.UV) (PHYS_LUMINOSITY_UV_MISC) |
| logNUV | 36.13 | [W] | Log of the NUV (177-300nm) luminosity (phys.luminosity;em.UV) (PHYS_LUMINOSITY_UV_MISC) |
| RadFUV | 84.25 | arcsec | Effective FUV radius (4) (Note 3)
(phys.angSize;em.UV.FUV) (EXTENSION_RAD) |
| RadNUV | 83.34 | arcsec | Effective NUV radius (4) (Note 3)
(phys.angSize) (EXTENSION_RAD) |
| C31FUV | 2.30 | | C31 concentration index in the FUV (Note 4)
(meta.code;spect.index;em.UV.FUV) (PHYS_CONCENT_INDEX) |
| C31NUV | 2.24 | | C31 concentration index in the NUV (Note 4)
(meta.code;spect.index) (PHYS_CONCENT_INDEX) |
| C42FUV | 2.30 | | C42 concentration index in the FUV (Note 4)
(meta.code;spect.index;em.UV.FUV) (PHYS_CONCENT_INDEX) |
| C42NUV | 2.24 | | C42 concentration index in the NUV (Note 4)
(meta.code;spect.index) (PHYS_CONCENT_INDEX) |
| Profile | EE | | Morphological class of the surface brightness profile (Note 5)
(meta.code;src.morph) (MORPH_CODE) |
| Umag | | mag | Johnson U band integrated magnitude (Note 1)
(phot.mag;em.opt.U) (PHOT_JHN_U) |
| e_Umag | | mag | Uncertainty in Umag (stat.error;phot.mag;em.opt.U) (ERROR) |
| Bmag | 9.75 | mag | Johnson B band integrated magnitude (Note 1)
(phot.mag;em.opt.B) (PHOT_JHN_B) |
| e_Bmag | 0.16 | mag | Uncertainty in Bmag (stat.error;phot.mag;em.opt.B) (ERROR) |
| Vmag | 9.19 | mag | Johnson V band integrated magnitude (Note 1)
(phot.mag;em.opt.V) (PHOT_JHN_V) |
| e_Vmag | 0.16 | mag | Uncertainty in Vmag (stat.error;phot.mag;em.opt.V) (ERROR) |
| Jmag | 7.53 | mag | 2MASS J band total magnitude (phot.mag;em.IR.J) (PHOT_JHN_J) |
| e_Jmag | 0.02 | mag | Uncertainty in Jmag (stat.error;phot.mag;em.IR.J) (ERROR) |
| Hmag | 6.83 | mag | 2MASS H band total magnitude (phot.mag;em.IR.H) (PHOT_JHN_H) |
| e_Hmag | 0.03 | mag | Uncertainty in Hmag (stat.error;phot.mag;em.IR.H) (ERROR) |
| Kmag | 6.47 | mag | 2MASS K band total magnitude (phot.mag;em.IR.K) (PHOT_JHN_K) |
| e_Kmag | 0.02 | mag | Uncertainty in Kmag (stat.error;phot.mag;em.IR.K) (ERROR) |
| l_F12um | | | Upper limit flag on F12um (meta.code.error) (CODE_LIMIT) |
| F12um | 5.48 | Jy | IRAS 12 micron flux density (phot.flux.density;em.IR.8-15um) (PHOT_FLUX_IR_12) |
| e_F12um | 0.82 | Jy | Uncertainty in F12um (stat.error) (ERROR) |
| l_F25um | | | Upper limit flag on F25um (meta.code.error) (CODE_LIMIT) |
| F25um | 9.65 | Jy | IRAS 25 micron flux density (phot.flux.density;em.IR.15-30um) (PHOT_FLUX_IR_25) |
| e_F25um | 1.45 | Jy | Uncertainty in F25um (stat.error) (ERROR) |
| l_F60um | | | Upper limit flag on F60um (meta.code.error) (CODE_LIMIT) |
| F60um | 82.90 | Jy | IRAS 60 micron flux density (phot.flux.density;em.IR.30-60um) (PHOT_FLUX_IR_60) |
| e_F60um | 12.40 | Jy | Uncertainty in F60um (stat.error) (ERROR) |
| l_F100um | | | Upper limit flag on F100um (meta.code.error) (CODE_LIMIT) |
| F100um | 209.00 | Jy | IRAS 100 micron flux density (phot.flux.density;em.IR.60-100um) (PHOT_FLUX_IR_100) |
| e_F100um | 31.30 | Jy | Uncertainty in F100um (stat.error) (ERROR) |
