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I/339/hsoy Hot Stuff for One Year (HSOY) (Altmann+, 2017)
The HSOY catalogue (583001653 sources) (original column names in green) (583001653 rows)
  -c=327.9922666306 +21.1221462801, eq=J2000, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (327.9922666306+21.1221462801)[FK5/J2000], at Epoch=J2000.0 (pos.angDistance)
_RAJ200021 51 58.143991344 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 07 19.72660836 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 49 38.180865148 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 53 12.16349389 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon076.326024604219 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-25.092274258199 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)

raj2000327.9922666306 deg (i) Right ascension, J2000.0, at epoch 2000 (raj2000) (pos.eq.ra;meta.main)
dej2000+21.1221462801 deg (i) Declination, J2000.0, at epoch 2000 (dej2000) (pos.eq.dec;meta.main)
ipix1796328633368421799  (i) PPMXL object identifier (ipix) (Note 1)   (meta.id;meta.main)
comp    [0/4] Disambiguation counter (where multiple DR1 objects match one PPMXL object) (comp) (Note 1)   (meta.code.multip)
e_ra 4.855 mas Mean error: RA*cos(DE) at mean epoch EpRA (e_ra) (stat.error;pos.eq.ra)
e_de 1.784 mas Mean error: DE at mean epoch EpDE (e_de) (stat.error;pos.eq.dec)
pmra -29.340 mas/yr Proper motion in RA, pmRA*cos(DE) (pmra) (pos.pm;pos.eq.ra)
pmde 8.962 mas/yr Proper motion in DE (pmde) (pos.pm;pos.eq.dec)
e_pmra 2.128 mas/yr Mean error in pmRA (e_pmra) (stat.error;pos.pm;pos.eq.ra)
e_pmde 2.124 mas/yr Mean error in pmDE (e_pmde) (stat.error;pos.pm;pos.eq.dec)
epra2014.85 yr Mean Epoch in right ascension (epra) (time.epoch;pos.eq.ra)
epde2014.98 yr Mean Epoch in declination (epde) (time.epoch;pos.eq.dec)
jmag14.118 mag 2MASS J magnitude (jmag) (phot.mag;em.IR.J)
e_jmag 0.054 mag error of 2MASS Jmag (e_jmag) (stat.error;phot.mag;em.IR.J)
hmag13.384 mag 2MASS H magnitude (hmag) (phot.mag;em.IR.H)
e_hmag 0.057 mag error of 2MASS Hmag (e_hmag) (stat.error;phot.mag;em.IR.H)
kmag13.282 mag 2MASS K magnitude (kmag) (phot.mag;em.IR.K)
e_kmag 0.059 mag error of 2MASS Kmag (e_kmag) (stat.error;phot.mag;em.IR.K)
b1mag16.04 mag USNO-B, 1st epoch B magnitude (b1mag) (phot.mag;em.opt.B)
b2mag14.80 mag USNO-B, 2nd epoch B magnitude (b2mag) (phot.mag;em.opt.B)
r1mag13.57 mag USNO-B, 1st epoch R magnitude (r1mag) (phot.mag;em.opt.R)
r2mag13.45 mag USNO-B, 2nd epoch R magnitude (r2mag) (phot.mag;em.opt.R)
imag12.57 mag USNO-B I magnitude (imag) (phot.mag;em.opt.I)
surveys02137   Origin of USNO-B magnitudes (surveys) (Note 2)   (meta.bib)
nobs 7   Total number of astrometric observations (n_PPMXL+1) (nobs) (meta.number)
GaiaId1793031267058763264  (i) Gaia unique source identifier (gaia-id) (meta.id)
Gmag16.157 mag (i) Mean Gaia G-band magnitude (Gmag) (phot.mag;em.opt.V)
e_Gmag 0.001 mag estimated error of Gaia Gmag (e_Gmag) (stat.error;phot.mag;em.opt.B)
clone    [1] 1 if more than one PPMXL match to this Gaia object (clone) (meta.code)
no_sc    [1] 1 if object not in SuperCOSMOS within 3" (no_sc) (meta.note)
  
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