parameter name	type	Description
pgc	int	pgc number
objname	varchar	principal designation
objtype	character*1	nature of the object
al1950	real	RA 1950 (hours decimal value)
de1950	real	DEC 1950 (degrees decimal value)
al2000	real	RA 2000 (hours decimal value)
de2000	real	DEC 2000 (degrees decimal value)
l2	real	galactic longitude (degrees)
b2	real	galactic latitude (degrees)
sgl	real	supergalactic longitude (degrees)
sgb	real	supergalactic latitude (degrees)
type	char	morphological type
bar	char	barred galaxy (B)
ring	char	galaxy with ring (R)
multiple	char	multiple galaxy (M)
compactness	char	Compact (C) or Diffuse (D)
t	real	morphological type code
e_t	real	actual error on t
lc	real	luminosity class code
e_lc	real	actual error on lc
logd25	real	log10 of apparent major axis diameter d25 at 25 mag.arcsec-2(d25 in 0.1')
e_logd25	real	actual error on logd25
logr25	real	log10 of axis ratio (major axis/minor axis)
e_logr25	real	actual error on logr25
pa	real	major axis position angle (North Eastwards) in degrees
brief	real	mean effective surface brightness (mag.arcsec-2)
e_brief	real	actual error on brief
bt	real	total B-magnitude
e_bt	real	actual error on bt
it	real	total I-magnitude
e_it	real	actual error on it
ubt	real	total U-B color
bvt	real	total B-V color
ube	real	effective U-B color
bve	real	effective B-V color
vmaxg	real	Apparent maximum rotation velocity of gas
e_vmaxg	real	actual error on vmaxg
vmaxs	real	Apparent maximum rotation velocity of stars
e_vmaxs	real	actual error on vmaxs
vdis	real	Central velocity dispersion (in km/s)
e_vdis	real	actual error on vdis
mg2	real	Central Mg2 Lick index (in mag)
e_mg2	real	actual error on mg2
m21	real	21-cm line flux in magnitude (see definition in text)
e_m21	real	actual error on m21
mfir	real	far infrared magnitude (see definition in text)
vrad	real	heliocentric radial velocity from radio measurement (in km/s)
e_vrad	real	actual error on vrad
vopt	real	heliocentric radial velocity from optical measurement (in km/s)
e_vopt	real	actual error on vopt
v	real	mean heliocentric radial velocity (in km/s)
e_v	real	actual error on v
lgg	real	LGG number for membership to the lyon-galaxy-groups
ag	real	galactic extinction in B magnitude from Schlegel et al.
ai	real	extinction due to inclination in B magnitude
incl	real	inclination between line of sight and polar axis (in degrees)
a21	real	21-cm self absorption in magnitude
lambda	real	luminosity index
logdc	real	log10 of apparent corrected diameter (dc in 0.1')
btc	real	total apparent corrected B-magnitude (corrected for inclination, galactic extinction and K-correction)
itc	real	total apparent corrected I-magnitude (corrected for same effects)
ubtc	real	total apparent corrected U-B color (corrected for the same effects)
bvtc	real	total apparent corrected B-V color (corrected for the same effects)
bri25	real	mean surface brightness within isophote 25 (mag.arcsec-2)
vrot	real	maximum deprojected rotation velocity (km/s) of the gas
e_vrot	real	actual error on vrot
m21c	real	corrected 21-cm line flux in magnitude (see text)
hic	real	21-cm index bt-m21c in magnitude
vlg	real	radial velocity with respect to the Local Group (km/s)
vgsr	real	radial velocity with respect to the GSR (km/s)
vvir	real	radial velocity corrected for LG infall onto Virgo (208 km/s)
v3k	real	radial velocity with respect to the CMB radiation (km/s)
mucin	real	kinematical distance modulus (from vvir and Ho=70 km/s/Mpc)
mup	real	tentative distance modulus from  some distance criteria (TF-relation, FJ-relation, Lambda_c relation, ...)
mabs	real	absolute B-magnitude

HyperLeda functions available in SQL requests