Hyperleda catalogue (dr1.LEDA)

The table has 100 rows, 71 columns.

Description

This table contains properties for CAVITY galaxies, directly taken from the full Hyperleda Catalogue.

References:

  1. The Hyperleda catalogue.
    More information about different parameters is available here.

Columns

Name Type UCD Unit Description
galaxy int meta.id
meta.main

CAVITY ID

pgc int meta.id.cross

LEDA internal number

name char meta.id

LEDA search string

objname char meta.id

Principal designation

d25 float phys.angSize.smajAxis
[arcsec]

Major axis

objtype char meta.code

Type of object (G=galaxy; S=Star ...)

al1950 float pos.eq.ra

RA 1950 (hours decimal value)

de1950 float pos.eq.dec

DEC 1950 (hours decimal value)

al2000 float pos.eq.ra

RA 2000 (hours decimal value)

de2000 float pos.eq.dec

DEC 2000 (hours decimal value)

l2 float pos.galactic.lon
[degree]

Galactic longitude

b2 float pos.galactic.lat
[degree]

Galactic latitude

sgl float pos.supergalactic.lon
[degree]

Supergalactic longitude

sgb float pos.supergalactic.lat
[degree]

Supergalactic latitude

type char meta.code
src.morph.type

Morphological type

bar char meta.code
src.morph.param

Bar (B or blank)

ring char meta.code
src.morph.param

Ring (R or blank)

multiple char meta.code
src.morph.param

Multiple (M or blank)

compactness char meta.code
src.morph.param

Compactness (C=Compact or D=Diffuse or blank)

t float src.morph.type

Morphological type code

e_t float stat.error
src.morph.type

Actual error on t

logd25 float phys.size.diameter
[log(arcsec)]

log10 of apparent diameter (d25 in 0.1")

e_logd25 float stat.error
phys.size.diameter
[log(arcsec)]

Actual error on logd25

logr25 float phys.size.axisRatio

log10 of axis ratio (major axis/minor axis)

e_logr25 float stat.error
phys.size.axisRatio

Actual error on logr25

pa float pos.posAng
[degrees]

Major axis position angle (North Eastwards)

brief float phot.mag.sb
stat.mean
[mag·arcsec⁻²]

Mean effective surface brightness

e_brief float stat.error
phot.mag.sb
stat.mean
[mag·arcsec⁻²]

Actual error on brief

bt float phot.mag
em.opt.B
[mag]

Total B-band magnitude

e_bt float stat.error
phot.mag
em.opt.B
[mag]

Actual error on bt

it float phot.mag
em.opt.I
[mag]

Total I-band magnitude

e_it float stat.error
phot.mag
em.opt.I
[mag]

Actual error on it

ut float phot.mag
em.opt.U
[mag]

Total U-band magnitude

vmaxg float phys.veloc.rotat
stat.max
[km·s⁻¹]

Apparent maximum rotation velocity of gas

e_vmaxg float stat.error
phys.veloc.rotat
[km·s⁻¹]

Actual error on vmaxg

m21 float phys.flux
em.line.HI
[mag]

21-cm line flux in magnitude (see definition in [1])

e_m21 float stat.error
phot.flux
em.line.HI
[mag]

Actual error on m21

mfir float phot.mag
[mag]

Far infrared magnitude (see definition in [1])

vrad float spect.dopplerVeloc.radio
pos.heliocentric
[km·s⁻¹]

Heliocentric radial velocity from radio measurements

e_vrad float stat.error
spect.dopplerVeloc.radio
[km·s⁻¹]

Actual error on vrad

vopt float spect.dopplerVeloc.opt
pos.heliocentric
[km·s⁻¹]

Heliocentric radial velocity from optical measurements

e_vopt float stat.error
spect.dopplerVeloc.opt
[km·s⁻¹]

Actual error on vopt

ai float phys.absorption
em.opt.B
[mag]

Internal extinction in B magnitude (see [1])

incl float src.orbital.inclination
[degree]

Inclination

a21 float phys.absorption
em.line.HI
[mag]

21-cm self absortion

logdc float phys.size.diameter
[log(arcmin)]

log10 of apparent corrected diameter (dc in 0.1')

btc float phot.mag
em.opt.B
[mag]

Total apparent corrected B-magnitude

bri25 float phot.mag.sb
stat.mean
[mag·arcsec⁻²]

Mean surface brightness within isophote 25

vrot float phys.veloc.rotat
stat.max
[km·s⁻¹]

Maximum velocity rotation corrected for inclination

e_vrot float stat.error
phys.veloc.rotat
[km·s⁻¹]

Actual error on vrot

m21c float phys.flux
phot.mag
em.line.HI
[mag]

Corrected 21-cm line flux in magnitude (see [1])

hic float phot.color
em.line.HI
em.opt.B
[mag]

21-cm color index = m21c – btc

vlg float spect.dopplerVeloc
[km·s⁻¹]

Radial velocity (cz) with respect to the Local Group

vgsr float spect.dopplerVeloc
[km·s⁻¹]

Radial velocity (cz) with respect to the GSR

vvir float spect.dopplerVeloc
[km·s⁻¹]

Radial velocity (cz) corrected for Virgocentric infall

v3k float spect.dopplerVeloc
[km·s⁻¹]

Radial velocity (cz) with respect to the CMB radiation

modz float phot.mag.distMod
[mag]

Redshift distance modulus

mod0 float phot.mag.distMod
[mag]

True distance modulus (from parameters)

mabs float phys.magAbs
em.opt.B
[mag]

Absolute B-magnitude

f_astrom char

Precision flag on celestial position

e_mod0 float stat.error
phot.mag.distMod
[mag]

Actual error on mod0

e_modz float stat.error
phot.mag.distMod
[mag]

Actual error on modz

e_mabs float stat.error
phys.magAbs
[mag]

Actual error on mabs

modbest float phot.mag.distMod
[mag]

True distance modulus, combining mod0 and modz

e_modbest float stat.error
phot.mag.distMod
[mag]

Actual error on modbest

kt float phot.mag
em.IR.K
[mag]

Total K-band magnitude

e_kt float stat.error
phot.mag
em.IR.K
[mag]

Actual error on kt

e_ut float stat.error
phot.mag
em.opt.U
[mag]

Actual error on ut

hl_names(pgc) char meta.id

List of all names

celposb(pgc) char pos

B1950 position (character string)

celposj(pgc) char pos

J2000 position (character string)