VizieR

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VizieR

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V/121/catalog Catalog of DMS-type eclipsing binaries (Svechnikov+, 1999)
Data on photometric and orbital elements (113 rows)
  recno=68
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ColumnValue  Explain   (UCD)
_RAJ200009 12 26.043 "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)
_DEJ2000-07 06 35.38 "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)
_RAB195009 09 57.810 "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)
_DEB1950-06 54 13.08 "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)
_Glon237.548116 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+26.952564 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)
68recno 68  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq 68  (i) [1/113] Number of system (meta.id)

Note*  indicates a note detailed in the "notes.dat" file (meta.ref)

NameKW Hya  Designation of system (meta.id;meta.main)
Per 7.75046900 d period (time.period)
n_Per    [*] '*' marks a variable period (meta.note)
Sp1+Sp2A5m+F0V  MK Spectral classes (src.spType)
q 0.752   [0/1] Mass ratio of components, M2/M1 (Note 1)   (phys.mass;arith.ratio)
u_q   Uncertainty in q (meta.code.error)
n_q#   [#] #: q was found spectroscopically from radial velocity curves of both components (meta.note)
a24.94 solRad Orbital major semiaxis (phys.angSize.smajAxis;src.orbital)
M1 1.980 solMass Mass of first component (phys.mass)
u_M1   Uncertainty in M1 (meta.code.error)
M2 1.490 solMass Mass of second component (phys.mass)
u_M2   Uncertainty in M2 (meta.code.error)
R1 2.130 solRad Radius of the first component (phys.size.radius)
u_R1   Uncertainty in R1 (meta.code.error)
R2 1.480 solRad Radius of the second component (phys.size.radius)
u_R2   Uncertainty in R2 (meta.code.error)
Mbol1 1.560 mag Absolute Bolometric magnitude of component1 (Note 2)   (phys.magAbs.bol)
u_Mbol1   Uncertainty in Mbol1 (meta.code.error)
Mbol2 3.020 mag Absolute Bolometric magnitude of component2 (Note 2)   (phys.magAbs.bol)
u_Mbol2   Uncertainty in Mbol2 (meta.code.error)
r1 0.0853   [0/1] Fractional radius of first component (relative to orbital major semiaxis a) (phys.size.radius;arith.ratio)
u_r1    [:] Uncertainty in r1 (meta.code.error)
r2 0.0594  Fractional radius of second component (relative to orbital major semiaxis a) (phys.size.radius;arith.ratio)
u_r2   Uncertainty in r2 (meta.code.error)
L1 0.787  Fractional luminosity of first component (relative to L1+L2) (phys.luminosity;arith.ratio)
u_L1   Uncertainty in M1 and L1 (meta.code.error)
BandV   [VByRN] Photometric system of observations (Note 3)   (instr.bandpass)
u_Band   Uncertainty in Band (meta.code.error)
J1/J2 1.850  Ratio of surface brightnesses (phot.flux.sb;arith.ratio)
u_J1/J2   Uncertainty in J1/J2 (meta.code.error)
i87.65 deg [0/90] Orbital inclination (src.orbital.inclination)
u_i   Uncertainty in i (meta.code.error)
w 7  Weight on the reliability of photometric elements (Note 4)   (stat.weight)
r_Seq17,3  Reference code to sources containing photometric elements, see "refs.dat" (meta.ref)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
_RA138.1085 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-07.1098 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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