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VizieR

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III/260/catalog General Catalogue of Ap and Am stars (Renson+ 2009)
Catalogue of Ap, HgMn and Am stars (version 2009) (8205 rows)
  recno=5866
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ColumnValue  Explain   (UCD)
_RAJ200017 10 22.6900 "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)
_DEJ2000-15 43 29.700 "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 30.5951 "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)
_DEB1950-15 39 48.302 "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)
_Glon006.7214306 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+14.0078214 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)
5866recno 5866  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

n_Seq    [/?* ] Peculiarity probability note (Note 1)   (meta.note)
Seq43800  (i) [1/61790] Running number in the catalog (Note 2)   (meta.id;meta.main)

NN  N indicates a note in notes.dat file (meta.ref.url)

SpTypeA2- Sr  Spectral classification (Note 8)   (src.spType)
HD155125   [1/359083] HD(E) identification (meta.id)
m_HDA  Multiplicity indicator (Note 3)   (meta.code.multip)
HIP 84012   [1/120404] Hipparcos catalogue (I/239) (meta.id)
m_HIPA  Multiplicity indicator (Note 3)   (meta.code.multip)
HR6378   [1/9110] HR (V/50) identification (meta.id)
m_HRA  Multiplicity indicator (Note 3)   (meta.code.multip)
DMBD-15 4467  Durchmusterung (BD, CD, CP) designation (Note 4)   (meta.id)
m_DMA  Multiplicity indicator (Note 3)   (meta.code.multip)
TYC6232-1333-1  Tycho-2 catalogue (I/259) (meta.id)
Name*et Oph A  Bayer / Flamsteed name (Note 5)   (meta.id)
Vmag 3.0 mag Magnitude, generally V (Note 6)   (phot.mag;em.opt.V)
B-V 0.06 mag B-V colour index (Note 7)   (phot.color;em.opt.B;em.opt.V)
U-B 0.09 mag U-B colour index (Note 7)   (phot.color;em.opt.U;em.opt.B)
b-y 0.027 mag b-y from Stroemgren photometry (phot.color;em.opt.B;em.opt.V)
m1 0.183 mag m1 = (v-b)-(b-y) from Stroemgren (phot.color)
c1 1.084 mag c1 = (u-v)-(v-b) from Stroemgren (phot.color)
Hbeta 2.892 mag H-beta index from Stroemgren (spect.index;em.line.Hbeta)
NoteCodeND R   [ABCDHNPRSV* ] Notes detailed in notes.dat (Note G1)   (meta.note)

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

RA190017 04 38.5 "h:m:s" Right Ascension 1900 (pos.eq.ra)
DE1900-15 36 04 "d:m:s" Declination 1900 (pos.eq.dec)
RAJ200017 10 22.69 "h:m:s" (i) Right Ascension J2000 (pos.eq.ra;meta.main)
DEJ2000-15 43 29.7 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  
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