VizieR

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VizieR

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J/ApJS/213/3/table1 Low-frequency flat spectrum sources (LORCAT) (Massaro+, 2014)
Low-frequency radio catalog of flat-spectrum sources (LORCAT) catalog (28358 rows)
  recno=16141
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ColumnValue  Explain   (UCD)
_RAJ200013 42 01.9400 "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+68 01 59.100 "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)
_RAB195013 40 39.4813 "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+68 17 04.437 "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)
_Glon115.8460535 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+48.3931546 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)
16141recno 16141  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WSRT1340.6+6817  WSRT identifier (HHMM.m+DDMM; B1950) (meta.id.cross)
NVSSJ134201+680159  NVSS identifier (JHHMMSS+DDMMSS) (meta.id;meta.main)
RAJ200013 42 01.94 "h:m:s" (i) NVSS Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+68 01 59.1 "d:m:s" (i) NVSS Degree of Declination (J2000) (pos.eq.dec;meta.main)
Sep 3.76 arcsec [0/92.3] Angular separation between WSRT & NVSS position (pos.angDistance)
alpha-0.12   [-1/0.4] Low frequency radio spectral index (αlow) (spect.index;em.radio)
e_alpha 0.09  Uncertainty in alpha (stat.error;pos.eq.ra)
Catwenss  WSRT original survey identifier (Note 1)   (meta.id;meta.dataset)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
  
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