VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (155621 rows)
  recno=98802
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ColumnValue  Explain   (UCD)
_RAJ200016 49 01.2800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-39 39 58.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 45 35.3409 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-39 34 37.278 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon344.5112709 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat +3.3090501 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
98802recno 98802  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16490-3940  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscKPP3008  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs12015 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1113 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2113 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 1.4 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag116.110 mag Magnitude of First Component (phot.mag;em.opt)
mag217.54 mag Magnitude of Second Component (phot.mag;em.opt)
SpType   Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -93 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-169 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -90 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-170 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesT   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200016 49 01.28 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-39 39 58.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs16 49 01.28 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-39 39 58.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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