VizieR

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VizieR

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J/MNRAS/373/435/table2 Angular momentum evolution of Algol binaries (Ibanoglu+, 2006)
The absolute parameters of the semidetached Algol-type binaries (61 rows)
  recno=55
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ColumnValue  Explain   (UCD)
_RAJ200004 00 40.8157 "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+12 29 25.248 "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)
_RAB195003 57 54.3474 "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+12 21 01.573 "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)
_Glon178.3717507 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-29.3756498 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)
55recno 55  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Namelambda Tau  Object name (meta.id;meta.main)
SpTypeB3V + A4IV  MK spectral type (src.spType)
Porb 3.9530 d Orbital period (time.period)
SBSB2  SB type (SB1 or SB2) (meta.note)
q 0.263  Mass ratio (M2/M1) (phys.mass)
M1 7.18 solMass Mass of the primary (phys.mass)
M2 1.89 solMass Mass of the secondary (phys.mass)
R1 6.40 solRad Radius of the primary (phys.size.radius)
R2 5.30 solRad Radius of the secondary (phys.size.radius)
logT1 4.253 [K] Effective temperature of the primary (phys.temperature.effective)
logT2 3.902 [K] Effective temperature of the secondary (phys.temperature.effective)
logL1 3.580 [solLum] Luninosity of the primary (phys.luminosity)
logL2 2.010 [solLum] Luninosity of the secondary (phys.luminosity)
Refs91  References, detailed in refs.dat file (meta.ref;pos.frame)

SimbadSimbad  ask the Simbad data-base about this object
_RA060.17007 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+12.49035 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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