VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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=267.3890845 +48.4691569, eq=J2000, rs=2
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Note: UCAC5 document

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (267.3890845+48.4691569)[FK5/J2000], at Epoch of catalog (EPucac) (pos.angDistance)
_RAJ200017 49 33.385100 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+48 28 09.10968 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195017 48 15.035616 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+48 28 59.66064 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon075.435122439 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+29.917188531 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)

ira267.3890845 deg (i) UCAC right ascension (J2000) at epoch "EPucac" on Gaia reference frame (ira) (pos.eq.ra;meta.main)
idc+48.4691569 deg (i) UCAC declination (J2000) at epoch "EPucac" on Gaia reference frame (idc) (pos.eq.dec;meta.main)
srcid1364039007135439488  Gaia source ID (srcid) (meta.id;meta.main)
rag267.3890158 deg Gaia right ascension (ICRS) at epoch 2015.0 (rag) (Note 1)   (pos.eq.ra)
erg 0.2 mas rms uncertainty on RAgaia (erg) (Note 1)   (stat.error)
dcg 48.4690197 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)
flg1   [1/3] TGAS/NOMAD flag (flg) (Note 2)   (meta.code)
nu 4  Number of images used for mean position (nu) (meta.number)
epu2003.400 yr UCAC epoch (epu) (time.epoch)
pmur -14.1 mas/yr UCAC/Gaia proper motion in RA*cosDE (pmur) (pos.pm;pos.eq.ra)
pmer 1.3 mas/yr rms uncertainty on pmRA (pmer) (stat.error;pos.pm;pos.eq.ra)
pmud -42.6 mas/yr UCAC/Gaia proper motion in DE (pmud) (pos.pm;pos.eq.dec)
pmed 1.3 mas/yr rms uncertainty on pmDE (pmed) (stat.error;pos.pm;pos.eq.dec)
gmag10.043 mag Gaia G magnitude (gmag) (phot.mag;em.opt.R)
umag10.017 mag Means UCAC model magnitude (umag) (phot.mag;em.opt)
rmag 9.840 mag Photographic R magnitude from NOMAD (rmag) (phot.mag;em.opt.R)
jmag 9.176 mag 2MASS J magnitude (jmag) (phot.mag;em.IR.J)
hmag 8.811 mag 2MASS H magnitude (hmag) (phot.mag;em.IR.H)
kmag 8.755 mag 2MASS K magnitude (kmag) (phot.mag;em.IR.K)
  
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