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VizieR

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V/115/algols Semi-detached eclipsing binaries (Surkova+, 2004)
Catalog of semi-detached eclipsing binaries (tables 1 and 2) (232 rows)
  recno=105
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ColumnValue  Explain   (UCD)
_RAJ200016 39 44.731 "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)
_DEJ2000-56 59 39.87 "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)
_RAB195016 35 34.829 "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)
_DEB1950-56 53 47.43 "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)
_Glon330.351685 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-06.828826 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)
105recno 105  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

OrbB   [AB] Origin of the orbit: A = spectroscopic (table1), B = photometric (table2)
Seq 9  Sequential number of the system

n_Seq*  indicates a note detailed in the "notes.dat" file

NameR Ara  Designation of the system (GCVS name)
Per 4.425132000 d Orbital period
n_Per*   [*] * marks period variability
Sp1+Sp2B9IV-V+F5  MK Spectral classes of components
q0.32  Mass ratio M2/M1 (Note 1)   
a17.520 solRad Orbital semi-major axis (Note 2)   
M1 2.80 solMass Mass of first component (4) (Note 3)   
M2 0.89 solMass Mass of second component (4) (Note 3)   
R1 3.75 solRad Radius of first component (Note 4)   
R2 4.85 solRad Radius of second component (Note 4)   
Mbol1-0.71 mag Absolute Bolometric magnitude of component1 (Note 5)   
Mbol2 0.780 mag Absolute Bolometric magnitude of component2 (Note 5)   
r10.214   [0/1] Fractional radius of first component (relative to orbital semi-major axis A)
r20.277   [0/1] Fractional radius of second component (relative to orbital semi-major axis A)
L1 0.753  Fractional luminosity of first component in V (relative to L1+L2)
J1/J2 4.70  Ratio of surface brightnesses (Note 6)   
i84.10 deg Orbital inclination
w6  Weight on the reliability of photometric and absolute elements (Note 7)   
r_SeqB4,B9  References to sources containing presented photometric and absolute elements

SimbadSimbad  ask the Simbad data-base about this object
_RA249.9364 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-56.9944 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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