Column information for the table:
Table Description:
ColumnDescription
pgc Principal Galaxies Catalog # from LEDA
objname Common name: Mathewson & Ford 1996, ApJS 107, 97 (2447 gal.)
morph Morphological type
T Morphological numeric code running +3 for Sb to +8 for Sdm: see RC3
DiamESO Major axis diameter from ESO catalog
MajDiamI Major axis diameter at I 23.5 mag/arcsec^2 isophot
MinDiamI Minor axis diameter at I 23.5 mag/arcsec^2 isophot
Incl Inclination: Mathewson I photometry averaged over 3 isophot levels
PA Position angle: Mathewson I photometry averaged over 3 isophot levels
DiamFaceOn Face on diameter: log D(0) = log (a) - 0.235 log (a/b) + 0.09 A_ext
Ag Extinction in our Galaxy, A_ext, following Burstein & Heiles
Ai Extinction due to inclination of target galaxy following Tully & Fouque'
Ak K correction following Schneider et al. 1983
It Total I magnitude extrapolated to sky
Itc Total I magnitude corrected for Galactic and internal absorption and K dimming
SBI Integrated surface brightness: ISB = I_D(0)^c + 5 log D(0) + 2.5 log pi
Vhopt Heliocentric optical velocity
Vh21 Heliocentric HI velocity
dVopt Half difference between max and min values of optical rotation curve / (1+z)
dW50 W50/2: half HI linewidth at 50% peak intensity
el_W50 Error in dW50 associated with blue wing
er_W50 Error in dW50 associated with red wing
dW20 W20/2: half HI linewidth at 20% peak intensity
el_W20 Error in dW20 associated with blue wing
er_W20 Error in dW20 associated with red wing
Vrot dVop/sin i: maximum rotation velocity; if only HI: dVop = 1.03 dV50 - 11
FHI HI flux density corrected for beam effects in Jy km/s
rms RMS noise in mJy
SNR Peak signal divided by rms noise
V_CMB Velocity in CMB reference frame: preference given to Vop over V21
V_LG Velocity in Local Group reference frame
Qual Width Quality code : 1-3: good, 8: not checked, 9: profile not available online
al2000 Right Ascention (J2000)
de2000 Declination (J2000)