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=059.2571406 +06.0400567, eq=J2000, rs=2
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Note: UCAC5 document

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (059.2571406+06.0400567)[FK5/J2000], at Epoch of catalog (EPucac) (pos.angDistance)
_RAJ200003 57 01.711619 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+06 02 24.27146 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 54 21.840051 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+05 53 51.52642 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon183.495545445 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-34.221365861 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)

ira059.2571406 deg (i) UCAC right ascension (J2000) at epoch "EPucac" on Gaia reference frame (ira) (pos.eq.ra;meta.main)
idc+06.0400567 deg (i) UCAC declination (J2000) at epoch "EPucac" on Gaia reference frame (idc) (pos.eq.dec;meta.main)
srcid3273790103562146176  Gaia source ID (srcid) (meta.id;meta.main)
rag 59.2573131 deg Gaia right ascension (ICRS) at epoch 2015.0 (rag) (Note 1)   (pos.eq.ra)
erg 0.4 mas rms uncertainty on RAgaia (erg) (Note 1)   (stat.error)
dcg 6.0396919 deg Gaia declination (ICRS) at epoch 2015.0 (dcg) (Note 1)   (pos.eq.dec)
edg 0.3 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)
epu2000.732 yr UCAC epoch (epu) (time.epoch)
pmur 43.3 mas/yr UCAC/Gaia proper motion in RA*cosDE (pmur) (pos.pm;pos.eq.ra)
pmer 2.6 mas/yr rms uncertainty on pmRA (pmer) (stat.error;pos.pm;pos.eq.ra)
pmud -92.0 mas/yr UCAC/Gaia proper motion in DE (pmud) (pos.pm;pos.eq.dec)
pmed 2.6 mas/yr rms uncertainty on pmDE (pmed) (stat.error;pos.pm;pos.eq.dec)
gmag 6.101 mag Gaia G magnitude (gmag) (phot.mag;em.opt.R)
umag 6.476 mag Means UCAC model magnitude (umag) (phot.mag;em.opt)
rmag 6.030 mag Photographic R magnitude from NOMAD (rmag) (phot.mag;em.opt.R)
jmag 5.966 mag 2MASS J magnitude (jmag) (phot.mag;em.IR.J)
hmag 5.974 mag 2MASS H magnitude (hmag) (phot.mag;em.IR.H)
kmag 5.924 mag 2MASS K magnitude (kmag) (phot.mag;em.IR.K)
  
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