VizieR

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VizieR

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J/ApJS/171/61/table5 All-Sky Survey of Flat-Spectrum Radio Sources (Healey+, 2007)
The CRATES catalog (14467 rows)
  recno=1081
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ColumnValue  Explain   (UCD)
_RAJ200001 21 56.7700 "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+04 22 27.500 "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)
_RAB195001 19 21.2977 "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+04 06 46.866 "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)
_Glon137.2495845 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-57.6468763 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)
1081recno 1081  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

CRATESJ012157+042218  The 4.8GHz coordinate name, JHHMMSS+DDMMSS (Note 1)   (meta.id;meta.main)
S4.8 1235 mJy The 4.8GHz flux density (Note 1)   (phot.flux.density;em.radio.3-6GHz)
alpha 0.099  Spectral index between low frequency and 4.8GHz (spect.index;em.radio.3-6GHz)
RAJ200001 21 56.77 "h:m:s" 8.4GHz Right Ascension (J2000) (pos.eq.ra)
DEJ2000+04 22 27.5 "d:m:s" 8.4GHz Declination (J2000) (pos.eq.dec)
r_S8.4V   [VAX] Origin of 8.4GHz position (Note 2)   (meta.ref;pos.frame)
S8.4 1351.7 mJy The 8.4GHz flux density (phot.flux.density;em.radio.6-12GHz)
RA201 21 56.88 "h:m:s" NVSS or SUMSS Right Ascension (J2000) (Note 3)   (pos.eq.ra)
DE2+04 22 23.9 "d:m:s" NVSS or SUMSS Declination (J2000) (Note 3)   (pos.eq.dec)
Slow 1091.9 mJy The low frequency flux density (Note 3)   (phot.flux.density;em.radio.200-400MHz)
alpha1 0.341   Spectral index between low frequency / 8.4GHz (spect.index;em.radio.6-12GHz)
MorphD  Morphology class (Note G1)   (meta.code.class;src.morph.type)

4.8Cat 2  Display data from Gregory+ 1996, VIII/40 (GB6), or Wright+ 1997, VIII/38 (PMN) within 70" (meta.ref.url)
SpSp  Show the radio spectrum for this source with SPECFIND (Cat. VIII/85) (meta.ref.url)
_RA020.48654 deg (i) 8.4GHz positions or positions derived from CRATES names when no detection (right ascension part) (pos.eq.ra;meta.main)
_DE+04.37431 deg (i) 8.4GHz positions or positions derived from CRATES names when no detection (declination part) (pos.eq.dec;meta.main)
  
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