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VizieR

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J/A+A/575/A35/table3 Close star encounters (Bailer-Jones, 2015)
Perihelion parameters for all objects with a mean perihelion distance below 10pc, in order of increasing mean perihelion distance (1548 rows)
  recno=341
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ColumnValue  Explain   (UCD)
_RAJ200016 41 17.1611 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+31 36 09.787 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195016 39 22.0855 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+31 41 51.044 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon052.6606775 deg Galactic longitude at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+40.2892577 deg Galactic latitude at Epoch=J2000. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
341recno 341  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HIP 81693  Hipparcos star identifier (meta.id;meta.main)
Catp   [gprx] Catalogue identifier (source of input data) (Note 1)   (meta.id;meta.table)
t.ph 130.316 kyr [-8912/15140] Mean perihelion time (time.epoch)
b_t.ph 129.459 kyr 5% bound on perihelion time distribution (time.epoch)
B_t.ph 131.176 kyr 95% bound on perihelion time distribution (time.epoch)
d.ph 4.246 pc [0.1/10] Mean perihelion distance (pos.distance;src.orbital)
b_d.ph 4.179 pc 5% bound on perihelion distance distribution (pos.distance;src.orbital)
B_d.ph 4.313 pc 95% bound on perihelion distance distribution (pos.distance;src.orbital)
v.ph 73.82 km/s [4/975] Mean perihelion speed (spect.dopplerVeloc;stat.mean)
b_v.ph 73.50 km/s 5% bound on perihelion speed distribution (spect.dopplerVeloc;pos.heliocentric)
B_v.ph 74.13 km/s 95% bound on perihelion speed distribution (spect.dopplerVeloc;pos.heliocentric)
f0.5 0 % [0/100] Probability star approaches within 0.5pc (stat.fit.goodness)
f1.0 0 % [0/100] Probability star approaches within 1.0pc (stat.fit.goodness)
f2.0 0 % [0/100] Probability star approaches within 2.0pc (stat.fit.goodness)
Plx 93.32 mas [3/797] Star Parallax (pos.parallax.trig)
e_Plx 0.47 mas Parallax uncertainty (1σ) (stat.error;pos.parallax)
pm 574.59 mas/yr Total proper motion (pos.pm)
e_pm 0.61 mas/yr Proper motion uncertainty (1σ) (stat.error)
RV -67.8 km/s Radial velocity (phys.veloc;pos.heliocentric)
e_RV 0.2 km/s Radial velocity uncertainty (1σ) (stat.error)

hiphip  Display the Hipparcos New Reduction data (van Leeuwen, 2007, Cat. I/311) (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
_RA250.32150 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+31.60272 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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