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B/wds/wds
019 34.324 17 ...
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B/wds
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Compute
Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
B/wds
198985
The Washington Visual Double Star Catalog (Mason+ 2001-2020)
ReadMe+ftp
2001AJ....122.3466M
Similar Catalogs
If the WDS and associated databases were helpful for your research work, the following acknowledgement would be appreciated
:
"This research has made use of the Washington Double Star Catalog maintained at the U.S. Naval Observatory"
Post annotation
1.
B/wds/wds
The Washington Double Star Catalog (main part)
(153033 rows)
meta
B/wds/wds
Simple Constraint
List Of Constraints
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Constraints
applied on Columns
(
Output Order:
+
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)
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
WDS
(char)
(i)
WDS name (based on J2000 position)
(
meta.id;meta.main
)
(
ID_MAIN
)
Disc
(char)
Discoverer Code (1 to 4 letters) and Number
(Note 5)
(
meta.id
)
(
ID_ALTERNATIVE
)
Comp
(char)
Components when more than 2
(Note 1)
(
meta.code.multip
)
(
CODE_MULT_INDEX
)
Obs1
yr
(n)
Date of first satisfactory observation
(
time.epoch
)
(
TIME_DATE
)
Obs2
yr
(n)
Date of last satisfactory observation
(
time.epoch
)
(
TIME_DATE
)
Nobs
Number of Observations (up to 9999)
(
meta.number
)
(
NUMBER
)
pa1
deg
(n)
Position Angle at date Obs1
(Note 2)
(
pos.posAng
)
(
POS_POS-ANG
)
pa2
deg
(n)
Position Angle at date Obs2
(Note 2)
(
pos.posAng
)
(
POS_POS-ANG
)
sep1
arcsec
(n)
Separation at date Obs1
(
pos.angDistance;src.orbital
)
(
ORBIT_SEPARATION
)
sep2
arcsec
(n)
Separation at date Obs12
(
pos.angDistance;src.orbital
)
(
ORBIT_SEPARATION
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
mag1
mag
(n)
Magnitude of First Component
(
phot.mag;em.opt
)
(
PHOT_MAG_OPTICAL
)
mag2
mag
(n)
Magnitude of Second Component
(
phot.mag;em.opt
)
(
PHOT_MAG_OPTICAL
)
SpType
(char)
Spectral Type (Primary/Secondary)
(
src.spType
)
(
SPECT_TYPE_MK
)
pmRA1
mas/yr
(n)
Primary Proper Motion (RA)
(
pos.pm;pos.eq.ra
)
(
POS_EQ_PMRA
)
pmDE1
mas/yr
(n)
Primary Proper Motion (Dec)
(
pos.pm;pos.eq.dec
)
(
POS_EQ_PMDEC
)
pmRA2
mas/yr
(n)
Secondary Proper Motion (RA)
(
pos.pm;pos.eq.ra
)
(
POS_EQ_PMRA
)
pmDE2
mas/yr
(n)
Secondary Proper Motion (Dec)
(
pos.pm;pos.eq.dec
)
(
POS_EQ_PMDEC
)
DM
(char)
Durchmusterung Number
(Note 3)
(
meta.id
)
(
ID_ALTERNATIVE
)
Notes
(char)
[B-Z ] Notes about the binary
(Note 4)
(
meta.note
)
(
NOTE
)
n_RAJ2000
(char)
[!P] indicates a position derived from WDS name
(
meta.note
)
(
NOTE
)
RAJ2000
"h:m:s"
(n)
(i)
Right Ascension J2000 (Ep=J2000, hours)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(n)
(i)
Declination J2000 (Ep=J2000, degrees)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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