VizieR

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VizieR

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I/340/ucac5 UCAC5 Catalogue (Zacharias+ 2017)
Fifth U.S. Naval Observatory CCD Astrograph Catalog (original column names in green) (107758513 rows)
  -c=116.6671069 +65.4555419, eq=J2000, rs=2
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Note: UCAC5 document

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (116.6671069+65.4555419)[FK5/J2000], at Epoch of catalog (EPucac) (pos.angDistance)
_RAJ200007 46 40.091851 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+65 27 19.68525 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195007 41 54.417900 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+65 34 36.73521 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon150.755049956 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+30.199610516 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)

ira116.6671069 deg (i) UCAC right ascension (J2000) at epoch "EPucac" on Gaia reference frame (ira) (pos.eq.ra;meta.main)
idc+65.4555419 deg (i) UCAC declination (J2000) at epoch "EPucac" on Gaia reference frame (idc) (pos.eq.dec;meta.main)
srcid1095540367870424448  Gaia source ID (srcid) (meta.id;meta.main)
rag116.6672675 deg Gaia right ascension (ICRS) at epoch 2015.0 (rag) (Note 1)   (pos.eq.ra)
erg 1.4 mas rms uncertainty on RAgaia (erg) (Note 1)   (stat.error)
dcg 65.4557472 deg Gaia declination (ICRS) at epoch 2015.0 (dcg) (Note 1)   (pos.eq.dec)
edg 3.3 mas rms uncertainty on DEgaia (edg) (Note 1)   (stat.error)
flg2   [1/3] TGAS/NOMAD flag (flg) (Note 2)   (meta.code)
nu 0  Number of images used for mean position (nu) (meta.number)
epu2003.964 yr UCAC epoch (epu) (time.epoch)
pmur 21.7 mas/yr UCAC/Gaia proper motion in RA*cosDE (pmur) (pos.pm;pos.eq.ra)
pmer 3.3 mas/yr rms uncertainty on pmRA (pmer) (stat.error;pos.pm;pos.eq.ra)
pmud 67.0 mas/yr UCAC/Gaia proper motion in DE (pmud) (pos.pm;pos.eq.dec)
pmed 3.3 mas/yr rms uncertainty on pmDE (pmed) (stat.error;pos.pm;pos.eq.dec)
gmag 5.583 mag Gaia G magnitude (gmag) (phot.mag;em.opt.R)
umag 6.046 mag Means UCAC model magnitude (umag) (phot.mag;em.opt)
rmag 5.200 mag Photographic R magnitude from NOMAD (rmag) (phot.mag;em.opt.R)
jmag 3.427 mag 2MASS J magnitude (jmag) (phot.mag;em.IR.J)
hmag 2.999 mag 2MASS H magnitude (hmag) (phot.mag;em.IR.H)
kmag 2.682 mag 2MASS K magnitude (kmag) (phot.mag;em.IR.K)
  
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