VizieR

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VizieR

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J/A+A/367/297/table2 Hipparcos variable stars (Adelman+, 2001)
Individual stars with amplitudes of 0.01 mag (681 rows)
  recno=1
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ColumnValue  Explain   (UCD)
_RAJ200000 25 45.072 "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)
_DEJ2000-77 15 15.28 "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)
_RAB195000 23 43.470 "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)
_DEB1950-77 31 51.83 "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)
_Glon304.771988 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-39.782091 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)
1recno 1  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 2021  Hipparcos Number (Cat. I/239) (meta.id;meta.main)
o_HIP122  Number of Accepted Transits (meta.number)
Hpmag 2.9305 mag Hipparcos Mean Magnitude (phot.mag;em.opt.V)
e_Hpmag 0.0003 mag Standard Error (stat.error)
HD 2151  HD Number (Cat. III/135) (meta.id)
SpTypeG2IV  Spectral Type (src.spType)
Oname{beta} Hya  Name, and notes about variability (Note 1)   (meta.id)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
_RA006.4378 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-77.2542 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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