Note: See also the ARICNS (Astronomische Rechen-Institut database for Nearby Stars); some errors can be found in notes.tex

Column	Value		Explain   (UCD)
_RAJ2000	22 57 40	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-29 37.4	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	22 54 54	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-29 53.3	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) (POS_EQ_DEC)
_Glon	020.492	deg	Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-64.907	deg	Galactic latitude (computed by VizieR, not part of the original data) (pos.galactic.lat) (POS_GAL_LAT)
Name	Gl 881		Identifier ; see remarks. (Note)   (meta.id;meta.main) (ID_MAIN)
Comp			Components (A,B,C,... ) (meta.code.multip) (CODE_MULT_INDEX)
DistRel			[pqsx] Reliability of the distance (Note)   (meta.code.qual) (CODE_QUALITY)
RAB1950	22 54 54	"h:m:s"	Right Ascension B1950 (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEB1950	-29 53.3	"d:m:s"	Declination B1950 (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
pm	0.372	arcsec/yr	Total proper motion (pos.pm) (POS_PM_NON-EQ)
u_pm			Uncertainty flag (:) on pm (meta.code.error) (CODE_ERROR)
pmPA	115.6	deg	Direction angle of proper motion (pos.pm;pos.posAng) (POS_PM_PA)
RV	6.1	km/s	Radial velocity (spect.dopplerVeloc;pos.heliocentric) (VELOC_HC)
n_RV			Remark on RV (Note)   (meta.note) (NOTE)
Sp	A3 V		Spectral type or color class (src.spType) (SPECT_TYPE_MK)
r_Sp			Selected sources (Note)   (meta.ref) (REFER_CODE)
Vmag	1.16	mag	Apparent magnitude (phot.mag;em.opt.V) (PHOT_JHN_V)
r_Vmag			Note on origin of magnitude (Note)   (meta.ref;pos.frame) (REFER_CODE)
n_Vmag			[J] joint magnitude (meta.note) (NOTE)
B-V	0.09	mag	color (phot.color;em.opt.B;em.opt.V) (PHOT_JHN_B-V)
r_B-V			Note on origin of magnitude (Note)   (meta.ref;phot.color;em.opt.B) (REFER_CODE)
n_B-V			Joint color (Note)   (meta.note) (NOTE)
U-B	0.08	mag	color (phot.color;em.opt.U;em.opt.B) (PHOT_JHN_U-B)
r_U-B			Note on origin of magnitude (Note)   (meta.ref;phot.color;em.opt.U) (REFER_CODE)
n_U-B			Joint color (Note)   (meta.note) (NOTE)
R-I	-0.06	mag	color (phot.color;em.opt.R;em.opt.I) (PHOT_CI_R-I)
r_R-I			Note on origin of magnitude (Note)   (meta.ref;phot.color;em.opt.R) (REFER_CODE)
n_R-I			Joint color (Note)   (meta.note) (NOTE)
trplx	153.7	mas	Trigonometric parallax (pos.parallax.trig) (POS_PARLX_TRIG)
e_trplx	7.7	mas	Standard error of trig. parallax (stat.error) (ERROR)
plx	153.7	mas	Resulting parallax (pos.parallax.trig) (POS_PARLX_TRIG)
e_plx	7.7	mas	Standard error of res. parallax (stat.error;pos.parallax) (ERROR)
n_plx			[rwsop] Code on plx (Note)   (meta.note) (NOTE)
Mv	2.09	mag	Absolute visual magnitude (phys.magAbs) (PHOT_ABS-MAG_BAND)
n_Mv			Note on Mv, copied from cols 74-75 (meta.note) (NOTE)
q_Mv	b		[a-f] Quality of absolute magnitude (Note)   (meta.code.qual) (CODE_QUALITY)
U	-5	km/s	U space velocity component in the galactic plane and directed to the galactic center (phys.veloc;pos.cartesian.x) (VELOC_GAL_U)
V	-7	km/s	V space velocity component in the galactic plane and in the direction of galactic rotation (phys.veloc;pos.cartesian.y) (VELOC_GAL_V)
W	-10	km/s	W space velocity component in the galactic plane and in the direction of the North Galactic Pole (phys.veloc;pos.cartesian.z) (VELOC_GAL_W)
HD	216956		[15/352860] designation (meta.id) (ID_ALTERNATIVE)
DM	CD-30 19370		Durchmusterung number BD / CD / CP (meta.id) (ID_ALTERNATIVE)
Giclas			number <...> (meta.id) (ID_ALTERNATIVE)
LHS			number <...> (meta.id) (ID_ALTERNATIVE)
OtherName			Other designations (Note)   (meta.id) (ID_ALTERNATIVE)
Remarks	ALF Psa		Additional identifications (LTT, LFT, Wolf, Ross, etc.) and remarks (meta.note) (REMARKS)
_RA.icrs	22 57 40	"h:m:s"	Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) (POS_EQ_RA_OTHER)
_DE.icrs	-29 37.4	"d:m:s"	Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) (POS_EQ_DEC_OTHER)