VizieR

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VizieR

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J/MNRAS/405/1930/EBs Period changes of EA-, EB- and EW-types binaries (Liao+, 2010)
Period changes of semi-detached and detached Algol-type binaries (table1), EB-type (table2) and EW-type (table3) binaries (278 rows)
  recno=74
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ColumnValue  Explain   (UCD)
_RAJ200018 17 36.2454 "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)
_DEJ2000-34 06 26.128 "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)
_RAB195018 14 17.3030 "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)
_DEB1950-34 07 35.788 "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)
_Glon358.8272752 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-08.4703577 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)
74recno 74  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
EBA  EB type:A for Algol (table1), B for β Lyr (table2), or W for W UMa (table3) types (meta.code.class)

StarRS Sgr  Star name (meta.id;meta.main)
Sp2A2V  Spectral type of the secondary component (src.spType)
q 0.36000   ]0,1] Mass ratio (phys.mass)
DP.   [.idx -] Form of the period change, ΔP (Note 1)   (meta.note)
geoSD   [SD D] Geometrical structure, semidetached (SD) or detached (D) binaries, only in table1 (src.class)
Ref 5   Reference for Sp2 and/or q, in refs.dat file (meta.ref;pos.frame)
Ref2    Reference for Sp2 and/or q, in refs.dat file (meta.ref;pos.frame)
n_q    [*] *: Ref2 is reference value for q (meta.note)
n_Sp2    [+] +: Ref2 is reference value for Sp2 (meta.note)
Ref3    Reference for Sp2 and/or q, in refs.dat file (meta.ref;pos.frame)

SimbadSimbad  ask the Simbad data-base about this object
_RA274.40102 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-34.10726 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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