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I/305/out The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)
  GSC2.3===N300052924
Post annotation about this record

Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, Bj<19.5) were removed.

ColumnValue  Explain   (UCD)
_RAJ200021 24 45.006 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+32 17 38.13 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195021 22 37.722 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+32 04 40.35 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon080.0686 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-12.8822 deg Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat)

GSC2.3N300052924   [NS0-9A-Z] Identification of the object (Note 1)   (meta.id;meta.main)
GSC1   Identification in GSC Version 1 (Cat. I/254) (meta.id)
HTM6N0330300   [NS0-3] HTM-6 designation as in GSC2.2 (Note 1)   (obs.field)
RAJ2000321.187526 deg Right Ascension in ICRS (J2000), at "Epoch" (pos.eq.ra;meta.main)
DEJ2000+32.293925 deg Declination in ICRS (J2000) (pos.eq.dec;meta.main)
e_RAdeg 0.34 arcsec Mean error on RAdeg (Note 2)   (stat.error;pos.eq.ra)
e_DEdeg 0.34 arcsec Mean error on DEdeg (Note 2)   (stat.error;pos.eq.dec)
Epoch1986.680 yr Epoch of the position (time.epoch)
Fmag17.74 mag Magnitude in F photographic band (red) (phot.mag;em.opt.R)
e_Fmag 0.41 mag Mean error on Rmag (stat.error;phot.mag)
n_Fmag35   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
jmag21.23 mag Magnitude in Bj photographic band (blue) (phot.mag;em.opt.B)
e_jmag 0.46 mag Mean error on jmag (stat.error;phot.mag)
n_jmag18   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Vmag19.07 mag Magnitude in V photographic band (green) (phot.mag;em.opt.V)
e_Vmag 0.56 mag Mean error on Vmag (stat.error;phot.mag;em.opt.V)
n_Vmag 1   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Nmag13.17 mag Magnitude in N photographic band (0.8µm) (phot.mag;em.IR.8-15um)
e_Nmag 0.42 mag Mean error on Nmag (stat.error;phot.mag;em.IR.8-15um)
n_Nmag37   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Umag  mag Magnitude in U band (Johnson) (phot.mag;em.opt.U)
e_Umag  mag Mean error on Umag (stat.error;phot.mag;em.opt.U)
n_Umag    Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Bmag18.79 mag Magnitude in B band (Johnson blue) (phot.mag;em.opt.B)
e_Bmag 0.42 mag Mean error on Bmag (stat.error;phot.mag;em.opt.B)
n_Bmag 7   Coded emulsion / bandpass / filter (Note 2)   (meta.note)
Class0   [0,5] Object class (Note 3)   (meta.code.class)
Status1000112208  Source status flag (Note 4)   (meta.code.error)
M    [M] 'M' for multiple object (Note 5)   (phot.mag;em.IR.4-8um)
a 2.76 pix Semi-major axis of fitting ellipse (phys.angSize;src)
e 0.06   Eccentricity of fitting ellipse (src.orbital.eccentricity)
aPA164.4 deg Position angle (N->E) of fitting ellipse (pos.posAng)
  
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