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VizieR

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J/MNRAS/441/715/table1 Mid-infrared study of RR Lyrae stars (Gavrilchenko+, 2014)
Catalog of known RR Lyrae (16904 rows)
  recno=7946
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ColumnValue  Explain   (UCD)
_RAJ200002 08 40.2960 "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+25 13 05.880 "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)
_RAB195002 05 50.0416 "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+24 58 54.486 "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)
_Glon144.1999906 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-34.4436483 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)
7946recno 7946  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
W   {vPop}W indicates a star with WISE photometry in table3 (meta.ref.url)

NameTY_Ari  (i) Source identifier, typically inherited from the first reference (meta.id;meta.main)
RAJ2000032.16790 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+25.21830 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
ClassRRc  Subclass (RRAb, RRc or RRd) (meta.code;src.var)
Per1 0.329737   [0.03/509] Period (meta.note)
Per2    [0.26/0.93] Second Period value (meta.note)
Per3    [0.28/0.68] Third Period value (meta.note)
Umag  mag Apparent magnitude in the U band (phot.mag;em.opt.U)
Umag2  mag Second value of U apparent magnitude (phot.mag;em.opt.U)
Bmag12.500 mag Apparent magnitude in the B band (phot.mag;em.opt.B)
u_Bmag   Uncertainty flag on Bmag (meta.code.error)
Bmag2  mag Second value of B apparent magnitude (phot.mag;em.opt.B)
Bmag3  mag Third value of B apparent magnitude (phot.mag;em.opt.B)
Bmag4  mag Fourth value of B apparent magnitude (phot.mag;em.opt.B)
Vmag13.000 mag Apparent magnitude in the V band (phot.mag;em.opt.V)
u_Vmag    [:] (meta.code.error)
Vmag212.500 mag Second value of V apparent magnitude (phot.mag;em.opt.V)
Vmag313.450 mag Third value of V apparent magnitude (phot.mag;em.opt.V)
Vmag4  mag Fourth value of V apparent magnitude (phot.mag;em.opt.V)
Vmag5  mag Other value of V apparent magnitude (phot.mag;em.opt.V)
Rmag  mag Apparent magnitude in the R band (phot.mag;em.opt.R)
Rmag2  mag Second value of R apparent magnitude (phot.mag;em.opt.R)
Imag  mag Apparent magnitude in the I band (phot.mag;em.opt.I)
Imag2  mag Second value of I apparent magnitude (phot.mag;em.opt.I)
Imag3  mag Third value of I apparent magnitude (phot.mag;em.opt.I)
Imag4  mag Fourth value of I apparent magnitude (phot.mag;em.opt.I)
Jmag12.534 mag Apparent magnitude in the J band (phot.mag;em.IR.J)
Hmag12.364 mag Apparent magnitude in the H band (phot.mag;em.IR.H)
Kmag12.316 mag Apparent magnitude in the K band (phot.mag;em.IR.K)
umag  mag Apparent magnitude in the SDSS u filter (phot.mag;em.opt.U)
gmag  mag Apparent magnitude in the SDSS g filter (phot.mag;em.opt.B)
rmag  mag Apparent magnitude in the SDSS r filter (phot.mag;em.opt.R)
imag  mag Apparent magnitude in the SDSS i filter (phot.mag;em.opt.I)
zmag  mag Apparent magnitude in the SDSS z filter (phot.mag;em.opt.I)
Ref14,17,19,20  Reference to the origin of the source (Note 1)   (meta.ref;pos.frame)

SimbadNameTY Ari  Designation understandable by the Simbad data-base (meta.id)
  
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