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=197.3099592 +62.1750136, eq=J2000, rs=2
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Note: UCAC5 document

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (197.3099592+62.1750136)[FK5/J2000], at Epoch of catalog (EPucac) (pos.angDistance)
_RAJ200013 09 14.391045 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+62 10 30.11701 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195013 07 18.006189 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+62 26 28.96075 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon119.326803794 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+54.828434027 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)

ira197.3099592 deg (i) UCAC right ascension (J2000) at epoch "EPucac" on Gaia reference frame (ira) (pos.eq.ra;meta.main)
idc+62.1750136 deg (i) UCAC declination (J2000) at epoch "EPucac" on Gaia reference frame (idc) (pos.eq.dec;meta.main)
srcid1675603115971184640  Gaia source ID (srcid) (meta.id;meta.main)
rag197.3099467 deg Gaia right ascension (ICRS) at epoch 2015.0 (rag) (Note 1)   (pos.eq.ra)
erg 5.5 mas rms uncertainty on RAgaia (erg) (Note 1)   (stat.error)
dcg 62.1749453 deg Gaia declination (ICRS) at epoch 2015.0 (dcg) (Note 1)   (pos.eq.dec)
edg 2.5 mas rms uncertainty on DEgaia (edg) (Note 1)   (stat.error)
flg2   [1/3] TGAS/NOMAD flag (flg) (Note 2)   (meta.code)
nu 2  Number of images used for mean position (nu) (meta.number)
epu2003.256 yr UCAC epoch (epu) (time.epoch)
pmur -1.8 mas/yr UCAC/Gaia proper motion in RA*cosDE (pmur) (pos.pm;pos.eq.ra)
pmer 3.5 mas/yr rms uncertainty on pmRA (pmer) (stat.error;pos.pm;pos.eq.ra)
pmud -20.9 mas/yr UCAC/Gaia proper motion in DE (pmud) (pos.pm;pos.eq.dec)
pmed 3.4 mas/yr rms uncertainty on pmDE (pmed) (stat.error;pos.pm;pos.eq.dec)
gmag15.954 mag Gaia G magnitude (gmag) (phot.mag;em.opt.R)
umag15.120 mag Means UCAC model magnitude (umag) (phot.mag;em.opt)
rmag 8.590 mag Photographic R magnitude from NOMAD (rmag) (phot.mag;em.opt.R)
jmag12.782 mag 2MASS J magnitude (jmag) (phot.mag;em.IR.J)
hmag12.009 mag 2MASS H magnitude (hmag) (phot.mag;em.IR.H)
kmag11.618 mag 2MASS K magnitude (kmag) (phot.mag;em.IR.K)
  
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