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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
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The Washington Double Star Catalog (main part) (156861 rows) 		  WDS=20396+1555
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ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8282 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 04.405 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135370recno 135370  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscWCK 2  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAa,Ab  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11974 yr Date of first satisfactory observation (time.epoch)
Obs22022 yr Date of last satisfactory observation (time.epoch)
Nobs 93  Number of Observations (up to 9999) (meta.number)
pa1 35 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2243 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.2 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag2 6.43 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 66 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -2 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+15 4222  Durchmusterung Number (Note 3)   (meta.id)
NotesNO   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8282 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 04.405 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135371recno 135371  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscCIA 23  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAb1,2  Components when more than 2 (Note 1)   (meta.code.multip)
Obs12018 yr Date of first satisfactory observation (time.epoch)
Obs22019 yr Date of last satisfactory observation (time.epoch)
Nobs 11  Number of Observations (up to 9999) (meta.number)
pa1235 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2250 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 0.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 0.00 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag2 6.43 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 66 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -2 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM+15 4222  Durchmusterung Number (Note 3)   (meta.id)
NotesNO   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8730 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 03.802 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135372recno 135372  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBU 298  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAB  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11874 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 11  Number of Observations (up to 9999) (meta.number)
pa1225 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2233 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 20.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 35.50 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag213.40 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 53 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8730 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 03.802 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135373recno 135373  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscHJ 1554  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAC  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11828 yr Date of first satisfactory observation (time.epoch)
Obs22017 yr Date of last satisfactory observation (time.epoch)
Nobs 15  Number of Observations (up to 9999) (meta.number)
pa1278 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2277 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 35.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 48.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag211.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 53 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 33 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -5 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8730 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 03.802 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135374recno 135374  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBU 298  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAD  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11874 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 13  Number of Observations (up to 9999) (meta.number)
pa1170 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2160 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 45.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 45.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag212.90 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 53 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8730 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 03.802 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135375recno 135375  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBU 298  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAE  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11874 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 12  Number of Observations (up to 9999) (meta.number)
pa1315 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2304 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 75.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 57.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag212.60 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 53 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2  mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2  mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
ColumnValue  Explain   (UCD)
_RAJ200020 39 38.2500 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+15 54 43.400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 37 18.8730 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+15 44 03.802 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon060.3034867 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat-15.3203286 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
135376recno 135376  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
WDS20396+1555  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBU 298  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
CompAF  Components when more than 2 (Note 1)   (meta.code.multip)
Obs11835 yr Date of first satisfactory observation (time.epoch)
Obs22015 yr Date of last satisfactory observation (time.epoch)
Nobs 12  Number of Observations (up to 9999) (meta.number)
pa1118 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2118 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1105.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 72.20 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 3.860 mag Magnitude of First Component (phot.mag;em.opt)
mag210.70 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeB9IV  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 53 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 10 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -4 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -8 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM   Durchmusterung Number (Note 3)   (meta.id)
NotesN   [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200020 39 38.25 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000+15 54 43.4 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
_RA.icrs20 39 38.25 "h:m:s" (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra)
_DE.icrs+15 54 43.4 "d:m:s" (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec)
  
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