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=148.7894819 -33.2101250, eq=J2000, rs=2
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Note: UCAC5 document

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (148.7894819-33.2101250)[FK5/J2000], at Epoch of catalog (EPucac) (pos.angDistance)
_RAJ200009 55 09.474064 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-33 12 36.43665 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 52 58.563723 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-32 58 22.36211 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon265.547476427 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+16.574273572 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)

ira148.7894819 deg (i) UCAC right ascension (J2000) at epoch "EPucac" on Gaia reference frame (ira) (pos.eq.ra;meta.main)
idc-33.2101250 deg (i) UCAC declination (J2000) at epoch "EPucac" on Gaia reference frame (idc) (pos.eq.dec;meta.main)
srcid5435831663471473152  Gaia source ID (srcid) (meta.id;meta.main)
rag148.7893628 deg Gaia right ascension (ICRS) at epoch 2015.0 (rag) (Note 1)   (pos.eq.ra)
erg 0.1 mas rms uncertainty on RAgaia (erg) (Note 1)   (stat.error)
dcg-33.2100586 deg Gaia declination (ICRS) at epoch 2015.0 (dcg) (Note 1)   (pos.eq.dec)
edg 0.1 mas rms uncertainty on DEgaia (edg) (Note 1)   (stat.error)
flg3   [1/3] TGAS/NOMAD flag (flg) (Note 2)   (meta.code)
nu 2  Number of images used for mean position (nu) (meta.number)
epu1999.116 yr UCAC epoch (epu) (time.epoch)
pmur -22.6 mas/yr UCAC/Gaia proper motion in RA*cosDE (pmur) (pos.pm;pos.eq.ra)
pmer 4.6 mas/yr rms uncertainty on pmRA (pmer) (stat.error;pos.pm;pos.eq.ra)
pmud 15.1 mas/yr UCAC/Gaia proper motion in DE (pmud) (pos.pm;pos.eq.dec)
pmed 4.3 mas/yr rms uncertainty on pmDE (pmed) (stat.error;pos.pm;pos.eq.dec)
gmag15.810 mag Gaia G magnitude (gmag) (phot.mag;em.opt.R)
umag16.390 mag Means UCAC model magnitude (umag) (phot.mag;em.opt)
rmag  mag Photographic R magnitude from NOMAD (rmag) (phot.mag;em.opt.R)
jmag  mag 2MASS J magnitude (jmag) (phot.mag;em.IR.J)
hmag  mag 2MASS H magnitude (hmag) (phot.mag;em.IR.H)
kmag  mag 2MASS K magnitude (kmag) (phot.mag;em.IR.K)
  
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