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) (156614 rows)
  recno=154099
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ColumnValue  Explain   (UCD)
_RAJ200023 31 31.5000 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-04 05 14.600 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 28 56.4995 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-04 21 38.862 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon079.8191102 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-60.0894472 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
154099recno 154099  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS23315-0405  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscGZA 1  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAD  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11998 yr Date of first satisfactory observation (time.epoch)
Obs22010 yr Date of last satisfactory observation (time.epoch)
Nobs 2  Number of Observations (up to 9999) (meta.number)
pa1221 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2222 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 12.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 12.10 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 5.150 mag Magnitude of First Component (phot.mag;em.opt)
mag212.49 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeF8V+L1.0  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 178 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1-192 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 154 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2-190 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesNV K   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200023 31 31.50 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-04 05 14.6 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)

_RA.icrs23 31 31.50 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs-04 05 14.6 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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