| ga_target |
Target Name |
Target name: Name of the system as it was entered in the MAST database when the original observations were carried out. For most of the systems it is the name defined for the variable as given in the Ritter and Kolb Catalog of CVs. For less common objects, it is the name given in the Downes et al. Catalog of CVs. |
Examples: UGC 12250, IC 0842, KUG0232-079 |
string |
| ga_ra_d |
RA (J2000) |
Right Ascension (J2000) |
Range: 0 to 360 deg |
ra |
| ga_dec_d |
Dec (J2000) |
Declination (J2000) |
Range: -90 to +90 deg |
dec |
| ga_majaxis |
MajAxis |
Major-axis diameter of the D25 ellipse |
Range: .20 to 190.00 |
float |
| ga_majaxis |
MinAxis |
Minor-axis diameter of the D25 ellipse |
Range: 0.10 to 60.00 |
float |
| ga_pa |
PA |
Position angle of the D25 ellipse. In those cases were the D25 ellipse is approximately circular the PA is undefined. |
Range: 1 to 179 |
integer |
| ga_dis |
Distance |
Distance to the galaxy |
Range: 0.40 to 354.00 |
float |
| ga_dm |
DM |
Distance modulus |
Range: 23.01 to 37.74 |
float |
| ga_ebv |
E(B-V) |
Galactic color excess (From Schlegel et al. (1998) |
Range: 0.01 to 0.70 |
float |
| ga_morph_type |
Morphological Type |
NED morphological type |
Examples: Sm, SB(s)b pec?, (R'-1:)SB(r)bc |
istring |
| ga_t |
RC3 T type |
Morphological Type T (From RC3 catalog when available) |
Range: -6.0 to 99.0 |
float |
| ga_e_t |
e_T |
Uncertainty in T |
Range: 0.30 to 1.90 |
float |
| ga_sptype |
SpType |
Spectral type from NED |
Examples: HII, Sy2, NLAGN, Liner |
istring |
| ga_obsdat |
Obsdate |
Date of Observation |
Range: June 7 2003 to April 29 2005 |
datetime |
| ga_texp |
Exposure Time |
Length of exposure |
Range: 37 to 55433 |
integer |
| ga_tile |
Tile |
Tile name assigned by the GALEX mission. It includes the name of the survey as part of which the galaxy was observed and the name of the targetted field. |
Examples: NGA-WLM, MIS2DFSGP-41894-0507 |
ustring |
| ga_fuv |
FUV |
FUV image mean sky background |
Range: 0.000142 to 0.002230 |
float |
| ga_sigfuv |
sigFUV |
Mean standard deviation of the FUV sky. Measured by averaging the standard deviation within several regions around the position of the object. |
Range: 0.000099 to 0.001934 |
float |
| ga_sigfuv |
e_FUV |
Mean standard deviation of the mean FUV sky. |
Range: 0.0000 to 0.001005 |
float |
| ga_nuv |
NUV |
NUV image mean sky background |
Range: 0.000278 to 0.006437 |
float |
| ga_signuv |
sigNUV |
Mean standard deviation of the NUV sky. Measured by averaging the standard deviation within several regions around the position of the object. |
Range: 0.000278 to 0.006437 |
float |
| ga_signuv |
e_NUV |
Mean standard deviation of the mean NUV sky. |
Range: 0.000 to 0.002474 |
float |
| ga_obs_asyfuv |
Obs AsyFUV |
Observed Asymptotic FUV band AB magnitude |
Range: 8.32 to 21.61 |
float |
| ga_obs_e_asyfuv |
Obs e_AsyFUV |
Uncertainty in AsyFUV. Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 1.78 |
float |
| ga_obs_asynuv |
Obs AsyNUV |
Observed Asymptotic NUV band AB magnitude |
Range: 8.00 to 20.55 |
float |
| ga_obs_e_asynuv |
Obs e_AsyNUV |
Uncertainty in AsyNUV. Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 0.42 |
float |
| ga_obs_asyfn |
Obs Asy(F-N) |
Observed Asymptotic (FUV-NUV) color |
Range: -0.21 to 2.95 |
float |
| ga_obs_e_asyfn |
Obs e_Asy(F-N) |
Uncertainty in Asy(F-N) |
Range: 0.01 to 1.78 |
float |
| ga_obs_d25fuv |
Obs D25FUV |
Observed D25 ellipse FUV band AB magnitude |
Range: 8.31 to 21.51 |
float |
| ga_obs_e_d25fuv |
Obs e_D25FUV |
Uncertainty in D25FUV |
Range: 0.01 to 0.47 |
float |
| ga_obs_d25nuv |
Obs D25NUV |
Observed D25 ellipse NUV band AB magnitude |
Range: 9.90 to 20.24 |
float |
| ga_obs_e_d25nuv |
Obs e_D25NUV |
Uncertainty in D25NUV |
Range: 0.01 to 0.70 |
float |
| ga_obs_d25fn |
Obs D25(F-N) |
Observed D25 ellipse (FUV-NUV) color |
Range: -0.9 to 2.51 |
float |
| ga_obs_e_d25fn |
Obs e_D25(F-N) |
Uncertainty in D25(F-N) |
Range: 0.01 to 0.70 |
float |
| ga_obs_afuv |
Obs AFUV |
Foreground FUV extinction |
Range: 0.06 to 5.53 |
float |
| ga_obs_anuv |
Obs ANUV |
Foreground NUV extinction |
Range: 0.06 to 5.60 |
float |
| ga_ec_asyfuv |
AsyFUV |
symptotic FUV band magnitude. In AB scale corrected for Galactic extinction. |
Range: 7.99 to 21.48 |
float |
| ga_ec_e_asyfuv |
e_AsyFUV |
Uncertainty in AsyFUV. Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 1.78 |
float |
| ga_ec_asynuv |
AsyNUV |
symptotic NUV band magnitude. In AB scale corrected for Galactic extinction. |
Range: 7.50 to 20.48 |
float |
| ga_ec_e_asynuv |
e_AsyNUV |
Uncertainty in AsyNUV. Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 0.42 |
float |
| ga_ec_asyfn |
Asy(F-N) |
Asymptotic (FUV-NUV) color In AB scale corrected for Galactic extinction. |
Range: -0.19 to 2.95 |
float |
| ga_ec_e_asyfn |
e_Asy(F-N) |
Uncertainty in Asy(F-N). Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 1.78 |
float |
| ga_ec_d25fuv |
D25FUV |
D25 ellipse FUV band magnitude. In AB scale corrected for Galactic extinction. |
Range: 7.98 to 21.38 |
float |
| ga_ec_e_d25fuv |
e_D25FUV |
Uncertainty in D25FUV. Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 0.47 |
float |
| ga_ec_d25nuv |
D25NUV |
D25 ellipse NUV band magnitude. In AB scale corrected for Galactic extinction. |
Range: 9.28 to 20.05 |
float |
| ga_ec_e_d25nuv |
e_D25NUV |
Uncertainty in D25NUV. Corresponds to the error in the fit to the growth curve alone. The error in the FUV and NUV zero-point calibration is estimated to be ~0.15 mag in each band. |
Range: 0.01 to 0.70 |
float |
| ga_ec_d25fn |
D25(F-N) |
D25 ellipse (FUV-NUV) color. In AB scale corrected for Galactic extinction. |
Range: -0.09 to 2.51 |
float |
| ga_ec_e_d25fn |
e_D25(F-N) |
D25 ellipse (FUV-NUV) color. In AB scale corrected for Galactic extinction. |
Range: 0.01 to 0.70 |
float |
| ga_ec_logfuv |
logFUV |
Log of the FUV luminosity |
Range: 31.65 to 37.16 |
float |
| ga_ec_lognuv |
logNUV |
Log of the NUV luminosity |
Range: 31.79 to 37.07 |
float |
| ga_ec_radnuv |
RadFUV |
Effective FUV radius. Of the ellipse including half of the total (asymptotic) light of the galaxy in the FUV/NUV band. We only computed the effective radius and concentration index C31 (C42) for those galaxies whose radii containing 50% and 25% (20%), respectively, of the light were larger than 6 arcsec. |
Range: 5.44 to 1462.00 |
float |
| ga_ec_radnuv |
RadNUV |
Effective NUV radius. Of the ellipse including half of the total (asymptotic) light of the galaxy in the FUV/NUV band. We only computed the effective radius and concentration index C31 (C42) for those galaxies whose radii containing 50% and 25% (20%), respectively, of the light were larger than 6 arcsec. |
Range: 6.48 to 1430.04 |
float |
| ga_ec_c31fuv |
C31FUV |
C31 concentration index in the FUV. We only computed the effective radius and concentration index C31 (C42) for those galaxies whose radii containing 50% and 25% (20%), respectively, of the light were larger than 6 arcsec. |
Range: 1.26 to 9.59 |
float |
| ga_ec_c31nuv |
C31NUV |
C31 concentration index in the NUV. We only computed the effective radius and concentration index C31 (C42) for those galaxies whose radii containing 50% and 25% (20%), respectively, of the light were larger than 6 arcsec. |
Range: 1.31 to 8.98 |
float |
| ga_ec_c42fuv |
C42FUV |
C42 concentration index in the FUV. We only computed the effective radius and concentration index C31 (C42) for those galaxies whose radii containing 50% and 25% (20%), respectively, of the light were larger than 6 arcsec. |
Range: 0.62 to5.64 |
float |
| ga_ec_c42nuv |
C42NUV |
C42 concentration index in the NUV. We only computed the effective radius and concentration index C31 (C42) for those galaxies whose radii containing 50% and 25% (20%), respectively, of the light were larger than 6 arcsec. |
Range: 0.75 to 5.19 |
float |
| ga_ec_profile |
Profile |
Morphological class of the surface. A single profile type is given for most objects but in cases where the profile morphology differs between the FUV and NUV bands two types are given, separated by a comma with the FUV profile first. |
Examples: EF; ?Fn,?Rn; ED,EFn |
float |
| ga_umag |
Umag |
Johnson U band integrated magnitude. In the Vega scale. Published as part of the RC3 catalog. |
Range: 4.86 to 16.44 |
float |
| ga_e_umag |
e_Umag |
Uncertainty in Umag |
Range:0.03 to 0.40 |
float |
| ga_bmag |
Bmag |
Johnson B band integrated magnitude. In the Vega scale. Published as part of the RC3 catalog. |
Range: 4.36 to 16.6 |
float |
| ga_e_bmag |
e_Bmag |
Uncertainty in Bmag |
Range: 0.02 to 0.50 |
float |
| ga_vmag |
Vmag |
Johnson V band integrated magnitude. In the Vega scale. Published as part of the RC3 catalog. |
Range: 3.44 to 15.98 |
float |
| ga_e_vmag |
e_Vmag |
Uncertainty in Vmag |
Range: 0.03 to 0.40 |
float |
| ga_jmag |
Jmag |
2MASS J band total magnitude |
Range: 2.09 to 15.89 |
float |
| ga_e_jmag |
e_Jmag |
Uncertainty in Jmag |
Range: 0.10 to 0.22 |
float |
| ga_hmag |
Hmag |
2MASS H band total magnitude |
Range: 1.28 to 15.27 |
float |
| ga_e_hmag |
e_Hmag |
Uncertainty in Hmag |
Range: 0.01 to 0.27 |
float |
| ga_kmag |
Kmag |
2MASS K band total magnitude |
Range: 0.98 to 15.35 |
float |
| ga_e_kmag |
e_Kmag |
Uncertainty in Kmag |
Range: 0.01 to 1.05 |
float |
| ga_l_f12 |
l_F12 |
Upper limit flag on F12 |
Examples: < > |
string |
| ga_f12 |
F12 |
IRAS 12 micro flux density |
Range: 0.02 to 163.00 |
float |
| ga_e_f12 |
e_F12 |
Uncertainty in F12 |
Range: 0.01 to 24.50 |
float |
| ga_l_f25 |
l_F25 |
Upper limit flag on F25 |
Examples: < > |
string |
| ga_f25 |
F25 |
IRAS 25 micron flux density |
Range: 0.01 to 285.0 |
float |
| ga_e_f25 |
e_F25 |
Uncertainty in F25 |
Examples: 0.01 to 42.8 |
float |
| ga_l_f60 |
l_F60 |
Upper limit flag on F60 |
Examples: < > |
string |
| ga_f60 |
F60 |
IRAS 60 micron flux density |
Range: 0.01 to 1270.00 |
float |
| ga_e_f60 |
e_F60 |
Uncertainty in F60 |
Range: 0.02 to 250.00 |
float |
| ga_l_f100 |
l_F100 |
Upper limit flag on F100 |
Examples: > < |
string |
| ga_f100 |
F100 |
IRAS 100 micron flux density |
Examples: 0.05 to 2930 |
float |
| ga_e_f100 |
e_F100 |
Uncertainty in F100 |
Examples: 0.05 to 465 |
float |
| ga_dataid |
Data ID |
Uniquely identifies a dataset.; |
ugc12250,ic0842,kug0232-079 |
lstring |
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