VizieR

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VizieR

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J/A+AS/41/151/table3 1415MHz Survey of Bright Galaxies (Hummel, 1980)
Results of the radio continuum survey (449 rows)
  recno=8
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200000 42 42.180 "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)
_DEJ2000+40 51 54.80 "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)
_RAB195000 39 58.101 "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)
_DEB1950+40 35 29.00 "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)
_Glon121.151217 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)
_Glat-21.976324 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)
8recno 8  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameNGC 221  Galaxy name (meta.id;meta.main)
RTypeE2  Revised morphological type (as in RC2) (src.morph.type)
RAB195000 39 58.1 "h:m:s" (i) Right ascension (B1950) (pos.eq.ra;meta.main)
DEB1950+40 35 29 "d:m:s" (i) Declination (B1950) (pos.eq.dec;meta.main)
L    Luminisity class (as in RC2) (meta.code.class)
BTmag 8.75 mag Optical magnitude, B0T (or mc if n_BTmag=*) (phot.mag;em.opt.B)
n_BTmag    [*] * when mc instead of BTmag (meta.note)
B-V 0.85 mag Corrected face-on (B-V)0T colour index (as in RC2) (phot.color;em.opt.B;em.opt.V)
D0 8.3 arcmin Distance to optical galaxy center (pos.angDistance)
Dist 0.7 Mpc Distance derived form radial velocities using H=100km/s/Mpc (pos.distance)
n_Dist    [*?] Note on radial velocities used (Note 1)   (meta.note)
DateAA,5  Code for observation (Note 2)   (meta.id;obs)
l_Scen<  Limit flag on Scen (meta.code.error)
Scen 4 mJy Flux density of the central source at 1415MHz (phot.flux.density;em.radio.750-1500MHz)
l_Stot<  Limit flag on Stot (meta.code.error)
Stot 50 mJy Flux density of the galaxy at 1514MHz (phot.flux.density;em.radio.1500-3000MHz)
Dr  arcmin Radio extent along major axis (phys.angSize;em.radio)
RClass   Radio classification (Note 3)   (src.class.struct)
BTMAG-15.5 mag Absolute magnitude, from BTmag and Dist (phot.mag;em.opt.B)
l_logPcen<  Limit flag on logPcen (meta.code.error)
logPcen17.4 [W/Hz] logarithm of the radio power of the central source at 1415MHz (phys.luminosity;em.radio)
l_logPStot<  Limit flag on logPStot (meta.code.error)
logPStot18.5 [W/Hz] logarithm of the total radio power at 1415MHz (phys.luminosity;em.radio.750-1500MHz)
l_R<  Limit flag on R (meta.code.error)
R 1.6   Ratio of radio to optical luminosity, R=Stot/(10exp[-(B0T-12.5)/2.5]) (phot.flux;arith.ratio)
Tb  K Average brigthness temperature of the extended components (phys.temperature;stat.mean)
n_Name    [*] note detailed in notes.dat file (meta.note)
Notes    [N *] Notes (Note 4)   (meta.note)

_RA.icrs00 42 42.2 "h:m:s" (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs+40 51 55 "d:m:s" (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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