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VizieR

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J/other/RAA/14.942/table1 Rotation measures of radio point sources (Xu+, 2014)
A compiled catalog of Faraday rotation measures of point sources (5264 rows)
  recno=2773
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ColumnValue  Explain   (UCD)
_RAJ200012 10 45.7200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000+19 02 27.600 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195012 08 12.9184 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950+19 19 08.638 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon251.6746168 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+77.6446705 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)
2773recno 2773  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq 2378   [1/4553] Source sequential number (Note 1)   (meta.record)
m_Seq    [1/4] Multiplicity number when more than one line of data for this object (Note 1)   (meta.code.multip)
RAJ200012 10 45.72 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+19 02 27.60 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
rPosO   [FMNOV] Origin of the source position (Note 2)   (meta.ref;pos)
GLON251.675 deg Galactic longitude (pos.galactic.lon)
GLAT 77.645 deg Galactic latitude (pos.galactic.lat)
RM -19.0 rad/m2 Rotation measure (phys.polarization.rotMeasure)
e_RM 6.0 rad/m2 rms uncertainty on RM (stat.error)
q_RMB   [ABCD +] Grade of measurements (Note 3)   (meta.code.qual)
r_RMmgh+10  Reference fro RM observations (see "refs.dat") (meta.ref;pos.frame)
TelWRST  Telescope (meta.id;instr.tel)
Freq1 1.381 GHz [0.3/8.4] Frequency range of RM observation (em.freq;obs)
Freq2 1.713 GHz [0.3/43] Frequency range of RM observation (em.freq;obs)
NFr1024   [3/4096] Number of frequencies or channels for the observations (meta.number)
Res 30.0 arcsec [1/378] Angular resolution for RM determination (pos.angResolution)
TypeGAL  Object type, from NED or Simbad (src.class)
z 0.0246   [0/4.3] Redshift (see "refs.dat") (src.redshift)
r_zNED  Reference for redshift (meta.ref;pos.frame)
Rem   Remark or names in original references (meta.note)
  
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