Note: the J2000 coordinates are not part of the original catalogue; their accuracy can be low, see the CooFlag column

Column	Value		Explain   (UCD)
_RAJ2000	18 59 05.8	"h:m:s"	Right ascension (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
_DEJ2000	+13 37 19	"d:m:s"	Declination (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
_RAB1950	18 56 47.5	"h:m:s"	Right ascension (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
_DEB1950	+13 33 15	"d:m:s"	Declination (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
_Glon	045.9410	deg	Galactic longitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.galactic.lon)   (POS_GAL_LON)
_Glat	+04.5019	deg	Galactic latitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.galactic.lat)   (POS_GAL_LAT)
CCDM	18591+1337		(Catalogue of the Components of the Double and Multiple stars) identifier (Note 1)   (meta.id;meta.main)   (ID_MAIN)
rComp			[B-Z?] Reference component (blank if A) (Note 6)   (meta.code.multip)   (CODE_MULT_INDEX)
Comp	A		[A-Z?] Concerned component (Note 6)   (meta.code.multip)   (CODE_MULT_INDEX)
Note1			[*&] *=orbit in Dommanget's personal catalog &=orbit WDS 1994 (Note 2)   (meta.code)   (CODE_MISC)
Note2			[@%] @ = astrometric binary % = astrometric binary from Hipparcos   (meta.code)   (CODE_MISC)
Disc			Name of the pair (Discoverer and Number) (Note 3)   (meta.id)   (ID_ALTERNATIVE)
dRAs	-0.21	s	Remainder of RA in second of time (J2000)   (pos.eq.ra;arith.diff)   (POS_EQ_RA_OFF)
dDEs	19.0	arcsec	Remainder of DE in arcsecond (J2000)   (pos.eq.dec;arith.diff)   (POS_EQ_DEC_OFF)
r_dRAs	11		Source code for positions, in refpos.dat   (meta.ref;pos.frame)   (REFER_CODE)
Year		yr	Year of measured relative position   (time.epoch;arith.diff)   (TIME_DATE)
theta		deg	Position angle (degrees) (Note 4)   (pos.posAng)   (POS_POS-ANG)
rho		arcsec	angular separation of Comp along theta   (pos.angDistance)   (POS_ANG_DIST_GENERAL)
Obs	3		for component A: number of components; other component: number of measurements   (meta.number)   (NUMBER)
Vmag	5.4	mag	magnitude   (phot.mag;em.opt)   (PHOT_MAG_EYE)
Sp	F5		Spectral type   (src.spType)   (SPECT_TYPE_GENERAL)
pmNote			[*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)   (REFER_CODE)
pmRA	33	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
pmDE	-128	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.dec)   (POS_EQ_PMDEC)
DM	+13 3841.0		First identification = DM (Harvard system) (Note 5)   (meta.id)   (ID_ALTERNATIVE)
Name2	+13 1868.6		Second identification (Note 5)   (meta.id)   (ID_ALTERNATIVE)
HD	176303		HD identifier   (meta.id)   (ID_ALTERNATIVE)
m_HD			[/0-9 ?*] second HD (Example: 131843/4) (Note 8)   (meta.code.multip)   (CODE_MULT_INDEX)
ADS/BDS	A11902		ADS (A) or BDS identifier (B)   (meta.id)   (ID_ALTERNATIVE)
m_ADS/BDS			[aN] suffix (a) to an inserted ADS identifier, or a note (N) exists in the Index.   (meta.code.multip)   (CODE_MULT_INDEX)
n_IDS			[*W] The * means that the Index identifier was built for a new component or system; the W indicates a WDS (1994) identifier   (meta.note)   (NOTE)
IDS	18545N1329A		Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900   (meta.id)   (ID_ALTERNATIVE)
HIC	93203		Hipparcos Input Catalogue (Turon et al., Cat. I/196) identifier (also HIP I/239)   (meta.id)   (ID_ALTERNATIVE)
CooFlag	0		[0/4] Indicator position computation (Note 9)   (meta.code.qual)   (CODE_QUALITY)
RAJ2000	284.7741	deg	Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
DEJ2000	+13.6219	deg	Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)

Column	Value		Explain   (UCD)
_RAJ2000	18 59 04.5	"h:m:s"	Right ascension (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
_DEJ2000	+13 37 30	"d:m:s"	Declination (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
_RAB1950	18 56 46.4	"h:m:s"	Right ascension (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
_DEB1950	+13 33 20	"d:m:s"	Declination (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
_Glon	045.9415	deg	Galactic longitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.galactic.lon)   (POS_GAL_LON)
_Glat	+04.5079	deg	Galactic latitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.galactic.lat)   (POS_GAL_LAT)
CCDM	18591+1337		(Catalogue of the Components of the Double and Multiple stars) identifier (Note 1)   (meta.id;meta.main)   (ID_MAIN)
rComp			[B-Z?] Reference component (blank if A) (Note 6)   (meta.code.multip)   (CODE_MULT_INDEX)
Comp	B		[A-Z?] Concerned component (Note 6)   (meta.code.multip)   (CODE_MULT_INDEX)
Note1			[*&] *=orbit in Dommanget's personal catalog &=orbit WDS 1994 (Note 2)   (meta.code)   (CODE_MISC)
Note2			[@%] @ = astrometric binary % = astrometric binary from Hipparcos   (meta.code)   (CODE_MISC)
Disc	STF2424		Name of the pair (Discoverer and Number) (Note 3)   (meta.id)   (ID_ALTERNATIVE)
dRAs	-1.48	s	Remainder of RA in second of time (J2000)   (pos.eq.ra;arith.diff)   (POS_EQ_RA_OFF)
dDEs	30.2	arcsec	Remainder of DE in arcsecond (J2000)   (pos.eq.dec;arith.diff)   (POS_EQ_DEC_OFF)
r_dRAs	10		Source code for positions, in refpos.dat   (meta.ref;pos.frame)   (REFER_CODE)
Year	1957	yr	Year of measured relative position   (time.epoch;arith.diff)   (TIME_DATE)
theta	286	deg	Position angle (degrees) (Note 4)   (pos.posAng)   (POS_POS-ANG)
rho	17.5	arcsec	angular separation of Comp along theta   (pos.angDistance)   (POS_ANG_DIST_GENERAL)
Obs	24		for component A: number of components; other component: number of measurements   (meta.number)   (NUMBER)
Vmag	8.9	mag	magnitude   (phot.mag;em.opt)   (PHOT_MAG_EYE)
Sp			Spectral type   (src.spType)   (SPECT_TYPE_GENERAL)
pmNote	*		[*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)   (REFER_CODE)
pmRA	-3	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
pmDE	-4	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.dec)   (POS_EQ_PMDEC)
DM			First identification = DM (Harvard system) (Note 5)   (meta.id)   (ID_ALTERNATIVE)
Name2	+13 1867.6		Second identification (Note 5)   (meta.id)   (ID_ALTERNATIVE)
HD			HD identifier   (meta.id)   (ID_ALTERNATIVE)
m_HD			[/0-9 ?*] second HD (Example: 131843/4) (Note 8)   (meta.code.multip)   (CODE_MULT_INDEX)
ADS/BDS	A11902		ADS (A) or BDS identifier (B)   (meta.id)   (ID_ALTERNATIVE)
m_ADS/BDS			[aN] suffix (a) to an inserted ADS identifier, or a note (N) exists in the Index.   (meta.code.multip)   (CODE_MULT_INDEX)
n_IDS			[*W] The * means that the Index identifier was built for a new component or system; the W indicates a WDS (1994) identifier   (meta.note)   (NOTE)
IDS	18545N1329B		Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900   (meta.id)   (ID_ALTERNATIVE)
HIC			Hipparcos Input Catalogue (Turon et al., Cat. I/196) identifier (also HIP I/239)   (meta.id)   (ID_ALTERNATIVE)
CooFlag	0		[0/4] Indicator position computation (Note 9)   (meta.code.qual)   (CODE_QUALITY)
RAJ2000	284.7688	deg	Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
DEJ2000	+13.6251	deg	Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)

Column	Value		Explain   (UCD)
_RAJ2000	18 59 00.3	"h:m:s"	Right ascension (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
_DEJ2000	+13 37 20	"d:m:s"	Declination (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
_RAB1950	18 56 42.2	"h:m:s"	Right ascension (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
_DEB1950	+13 33 10	"d:m:s"	Declination (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)
_Glon	045.9313	deg	Galactic longitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.galactic.lon)   (POS_GAL_LON)
_Glat	+04.5218	deg	Galactic latitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data)   (pos.galactic.lat)   (POS_GAL_LAT)
CCDM	18591+1337		(Catalogue of the Components of the Double and Multiple stars) identifier (Note 1)   (meta.id;meta.main)   (ID_MAIN)
rComp			[B-Z?] Reference component (blank if A) (Note 6)   (meta.code.multip)   (CODE_MULT_INDEX)
Comp	C		[A-Z?] Concerned component (Note 6)   (meta.code.multip)   (CODE_MULT_INDEX)
Note1			[*&] *=orbit in Dommanget's personal catalog &=orbit WDS 1994 (Note 2)   (meta.code)   (CODE_MISC)
Note2			[@%] @ = astrometric binary % = astrometric binary from Hipparcos   (meta.code)   (CODE_MISC)
Disc	STF2424		Name of the pair (Discoverer and Number) (Note 3)   (meta.id)   (ID_ALTERNATIVE)
dRAs		s	Remainder of RA in second of time (J2000)   (pos.eq.ra;arith.diff)   (POS_EQ_RA_OFF)
dDEs		arcsec	Remainder of DE in arcsecond (J2000)   (pos.eq.dec;arith.diff)   (POS_EQ_DEC_OFF)
r_dRAs			Source code for positions, in refpos.dat   (meta.ref;pos.frame)   (REFER_CODE)
Year	1959	yr	Year of measured relative position   (time.epoch;arith.diff)   (TIME_DATE)
theta	267	deg	Position angle (degrees) (Note 4)   (pos.posAng)   (POS_POS-ANG)
rho	78.2	arcsec	angular separation of Comp along theta   (pos.angDistance)   (POS_ANG_DIST_GENERAL)
Obs	2		for component A: number of components; other component: number of measurements   (meta.number)   (NUMBER)
Vmag	12.4	mag	magnitude   (phot.mag;em.opt)   (PHOT_MAG_EYE)
Sp			Spectral type   (src.spType)   (SPECT_TYPE_GENERAL)
pmNote			[*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)   (REFER_CODE)
pmRA		mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
pmDE		mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.dec)   (POS_EQ_PMDEC)
DM			First identification = DM (Harvard system) (Note 5)   (meta.id)   (ID_ALTERNATIVE)
Name2			Second identification (Note 5)   (meta.id)   (ID_ALTERNATIVE)
HD			HD identifier   (meta.id)   (ID_ALTERNATIVE)
m_HD			[/0-9 ?*] second HD (Example: 131843/4) (Note 8)   (meta.code.multip)   (CODE_MULT_INDEX)
ADS/BDS	A11902		ADS (A) or BDS identifier (B)   (meta.id)   (ID_ALTERNATIVE)
m_ADS/BDS			[aN] suffix (a) to an inserted ADS identifier, or a note (N) exists in the Index.   (meta.code.multip)   (CODE_MULT_INDEX)
n_IDS			[*W] The * means that the Index identifier was built for a new component or system; the W indicates a WDS (1994) identifier   (meta.note)   (NOTE)
IDS	18545N1329C		Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900   (meta.id)   (ID_ALTERNATIVE)
HIC			Hipparcos Input Catalogue (Turon et al., Cat. I/196) identifier (also HIP I/239)   (meta.id)   (ID_ALTERNATIVE)
CooFlag	1		[0/4] Indicator position computation (Note 9)   (meta.code.qual)   (CODE_QUALITY)
RAJ2000	284.7514	deg	Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
DEJ2000	+13.6223	deg	Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)