VizieR

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VizieR

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J/A+A/582/A86/table3 Catalogue of features in the S4G (Herrera-Endoqui+, 2015)
Properties of spiral arms in the S4G; corrected version sent by the author (1854 rows)
  recno=345
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ColumnValue  Explain   (UCD)
_RAJ200003 02 37.5891 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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)
_DEJ2000-22 52 02.463 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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)
_RAB195003 00 23.9841 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (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)
_DEB1950-23 03 46.456 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (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)
_Glon212.0911694 deg Galactic longitude at Epoch=J2000. (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-60.0562980 deg Galactic latitude at Epoch=J2000. (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)
345recno 345  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameNGC1187  Galaxy name (meta.id;meta.main)
ClassSA_B(rs)bc  Morphological classification (src.morph)
TypeM  Type of arms (Note 3)   (src.morph.type)
Segmentsp3  Segment (obs.field)
Pitchang 9.2 deg Pitch angle (src.morph.param)
ri102.2 arcsec Inner radius (phys.angSize;src)
ro117.8 arcsec Outer radius (phys.angSize;src)
Qual 2.0   [1/2] Quality flag (Note 4)   (meta.code.qual)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA045.65662 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-22.86735 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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