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J/A+A/544/A31/ulughbeg Star catalogues of Ptolemaios, Ulugh Beg (Verbunt+, 2012)
Star Catalogue of Ulugh Beg (1437) (1018 rows)
  U=781
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ColumnValue  Explain   (UCD)
_RAJ200003:34:36.7 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000-09:22:12 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195003:32:11.9 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950-09:32:11 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon196.04 deg Galactic longitude at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-47.65 deg Galactic latitude at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.galactic.lat)
781recno 781  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

U 781   [1/1018] Sequence number in Ulugh Beg Catalogue (meta.id;meta.main)
n_U    [c] 'c' when the position is derived from Ptolemaios via al-Sufi (meta.note)
P 784  Corresponding sequence number of in Ptolemaios (meta.id)
C36  Sequence number of constellation (meta.id)
cst=Eri  Abbreviation of constellation name (meta.id)
N13  Sequence number of star in constellation (meta.id)
n_N    [a] 'a' for star outside the constellation figure (meta.note)
Elon040:46.0 "d:m:s" Ecliptic longitude (Note 1)   (pos.ecliptic.lon)
Elat-27:48 "d:m:s" Degrees of ecliptic latitude (Note 2)   (pos.ecliptic.lat)
VU3  Magnitude as given by Ulugh Beg (Note 3)   (phot.mag;em.opt)
q_VUf   [bf] brighter/fainter qualifier by Ulugh Beg (Note G1)   (meta.code.qual)
HIP 16537   Hipparcos number of identification (meta.number)
I1  Flag indicating quality of identification (Note G2)   (meta.code)
K1   [0/3] Comparison flag with Knobel (Note 4)   (meta.code)
I-P1   [0/3] Comparison flag with Ptolemaios (Note 5)   (meta.code)
Vmag 3.7 mag Johnson V magnitude (from Hipparcos) (phot.mag;em.opt.V)
Dl -18.3 arcmin Difference in longitude (Hipparcos-UlughBeg) (pos;arith.diff)
Db -1.1 arcmin Difference in latitude (Hipparcos-UlughBeg) (pos;arith.diff)
dist 16.2 arcmin Distance {Dleta} between UlughBeg and Hipparcos positions (pos;arith.diff)
Flag    [*] Flag for annotation in article (meta.code.error)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA.icrs03 34 36.7  Right ascension (ICRS) at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-09 22 12 "d:m:s" Declination (ICRS) at Epoch=J1437. (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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