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	05 51 29.4	"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	+39 08 55	"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	05 48 01.3	"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	+39 08 09	"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	171.8399	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	+06.2802	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	05515+3909		(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	-0.62	s	Remainder of RA in second of time (J2000)   (pos.eq.ra;arith.diff)   (POS_EQ_RA_OFF)
dDEs	-5.4	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		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	2		for component A: number of components; other component: number of measurements   (meta.number)   (NUMBER)
Vmag	4.2	mag	magnitude   (phot.mag;em.opt)   (PHOT_MAG_EYE)
Sp	K0		Spectral type   (src.spType)   (SPECT_TYPE_GENERAL)
pmNote	*		[*@$#] Origin of the proper motion (Note 7)   (meta.ref;pos.pm;pos.frame)   (REFER_CODE)
pmRA	-5	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
pmDE	7	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.dec)   (POS_EQ_PMDEC)
DM	+39 1429.0		First identification = DM (Harvard system) (Note 5)   (meta.id)   (ID_ALTERNATIVE)
Name2	+39 686.6		Second identification (Note 5)   (meta.id)   (ID_ALTERNATIVE)
HD	39003		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	A 4440		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	05446N3907A		Original Index (1976.5) or WDS (1994) identifier, based on equinox 1900   (meta.id)   (ID_ALTERNATIVE)
HIC	27673		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	087.8724	deg	Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
DEJ2000	+39.1485	deg	Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)

Column	Value		Explain   (UCD)
_RAJ2000	05 51 27.2	"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	+39 08 06	"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	05 47 59.2	"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	+39 07 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	171.8483	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	+06.2674	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	05515+3909		(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	H 90		Name of the pair (Discoverer and Number) (Note 3)   (meta.id)   (ID_ALTERNATIVE)
dRAs	-2.79	s	Remainder of RA in second of time (J2000)   (pos.eq.ra;arith.diff)   (POS_EQ_RA_OFF)
dDEs	-54.2	arcsec	Remainder of DE in arcsecond (J2000)   (pos.eq.dec;arith.diff)   (POS_EQ_DEC_OFF)
r_dRAs	90		Source code for positions, in refpos.dat   (meta.ref;pos.frame)   (REFER_CODE)
Year	1878	yr	Year of measured relative position   (time.epoch;arith.diff)   (TIME_DATE)
theta	206	deg	Position angle (degrees) (Note 4)   (pos.posAng)   (POS_POS-ANG)
rho	54.6	arcsec	angular separation of Comp along theta   (pos.angDistance)   (POS_ANG_DIST_GENERAL)
Obs	4		for component A: number of components; other component: number of measurements   (meta.number)   (NUMBER)
Vmag	9.5	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	-5	mas/yr	annual proper motion in 0"001   (pos.pm;pos.eq.ra)   (POS_EQ_PMRA)
pmDE	7	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	A 4440		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	05446N3907B		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	087.8634	deg	Right Ascension J2000 (degrees) (Note 9)   (pos.eq.ra;meta.main)   (POS_EQ_RA_MAIN)
DEJ2000	+39.1349	deg	Declination J2000 (degrees) (Note 9)   (pos.eq.dec;meta.main)   (POS_EQ_DEC_MAIN)