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VizieR

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J/A+A/598/A78/table3 The GMRT 150MHz all-sky radio survey (Intema+, 2017)
Full source catalog of TGSS ADR1 150 MHz sources (623604 rows)
  recno=478473
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ColumnValue  Explain   (UCD)
_RAJ200017 08 45.1248 "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+42 16 58.476 "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)
_RAB195017 07 10.5847 "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+42 20 43.923 "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)
_Glon067.1008944 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+36.3008945 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)
478473recno 478473  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

TGSSADRJ170845.1+421658  Name without prefix (JHHMMSS.S+DDMMSS) (Note 1)   (meta.id;meta.main)
RAJ2000257.18802 deg (i) Centroid right ascension (J2000) (pos.eq.ra;meta.main)
e_RAJ2000 2.5 arcsec Uncertainty on right ascension (1 sigma) (stat.error;pos.eq.ra)
DEJ2000+42.28291 deg (i) Centroid declination (J2000) (pos.eq.dec;meta.main)
e_DEJ2000 2.4 arcsec Uncertainty on declination (1 sigma) (stat.error;pos.eq.dec)
Stotal 27.9 mJy Total (integrated) flux density at 150MHz (phot.flux.density;em.radio.100-200MHz)
e_Stotal 7.0 mJy Uncertainty on Stotal (1 sigma) (stat.error)
Speak 27.7 mJy/beam Peak flux at 150MHz (phot.flux.density;em.radio.100-200MHz)
e_Speak 4.6 mJy/beam Uncertainty on Speak (1 sigma) (stat.error)
Maj 25.5 arcsec Gaussian fit major axis (phys.angSize;meta.modelled)
e_Maj 3.5 arcsec Uncertainty on Maj (1 sigma) (stat.error)
Min 24.6 arcsec Gaussian fit minor axis (phys.angSize;src)
e_Min 3.2 arcsec Uncertainty on Min (1 sigma) (stat.error;stat.min)
PA 89.9 deg [] Gaussian fit position angle (2) (Note 2)   (pos.posAng;meta.modelled)
e_PA90.0 deg Uncertainty on PA (1 sigma) (stat.error)
Noise 3.7 mJy/beam Local image background RMS noise (instr.background;obs.image;pos.lg)
CodeS   [SCM] Source structure code (S/C/M) (Note 3)   (meta.code)
MosaicR52D60  Name of parent mosaic image (Note 4)   (obs.image)
  
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