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VizieR

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I/138/main Southern Reference Star Catalogue (Smith+ 1988)
The Southern Reference Star Catalogue (20488 rows)
  SRS=7101
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ColumnValue  Explain   (UCD)
_RAJ200006:28:52.71448 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-37:20:28.7945 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195006:27:09.49442 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-37:18:28.0336 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon245.44069694 deg Galactic longitude (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-20.25042803 deg Galactic latitude (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)

Seq 5550  Serial Number of the record in order of B1950.0 right ascension. (meta.number)
f_pmC  Proper motion code: * = Preliminary proper motion (T. Corbin). C = Cape, Yale, GC, etc. (meta.code)
SRS 7101  (i) Original SRS number in the observing list. (meta.id;meta.main)
DM-3702854  Durchmusterung number (meta.id)
m81 dmag Magnitude in 0.1mag (phot.mag;em.opt)
SpM0  Spectral type (src.spType)
RAB195006:27:09.508 "h:m:s" (i) Right Ascension B1950, at mean epoch (pos.eq.ra;meta.main)
e_RAB1950 26 ms Mean error of the right ascension. Referred to the equator by multiplication with cosine of the declination. (stat.error;pos.eq.ra)
NaW21  Number of observations in right ascension (Washington compilation). (meta.number)
EpRA-190069467 myr Mean epoch of observation of the right ascension minus B1900.0 (in 0.001 tropical years) (time.epoch)
DEB1950-37:18:27.49 "d:m:s" (i) Declination B1950, at mean epoch (pos.eq.dec;meta.main)
e_DEB1950 8 10mas Mean error of the declination, in 0.01arcsec (Note)   (stat.error;pos.eq.dec)
NdW20  Number of observations in declination (Washington compilation). (meta.number)
EpDE-190069172 myr Mean epoch of observation of the declination minus B1900.0 (in 0.001 tropical years) (time.epoch)
CaW4  Number of catalogs in right ascension (Washington compilation). (meta.number)
CdW4  Number of catalogs in declination (Washington compilation). (meta.number)
NaP21  Number of observations in right ascension (Pulkovo compilation). (meta.number)
NdP20  Number of observations in declination (Pulkovo compilation). (meta.number)
CaP4  Number of catalogs in right ascension (Pulkovo compilation). (meta.number)
CdP4  Number of catalogs in declination (Pulkovo compilation). (meta.number)
pmRA 72 10us/yr Approximate proper motion in right ascension (B1950.0), in milli-seconds (time) per tropical century. (pos.pm;pos.eq.ra)
pmDE 27.9 mas/yr Approximate proper motion in declination (B1950.0), in 0.01 arcseconds (") per tropical century. (pos.pm;pos.eq.dec)
dRA 0.003 s Difference (FK5-FK4) in Right Ascension (pos.eq.ra;arith.diff)
dDE 0.05 arcsec Difference (FK5-FK4) in Declination (pos.eq.dec;arith.diff)
dpmRA 0.023 10ms/yr Difference (FK5-FK4) in Proper motion in right ascension, expressed in seconds (time) per tropical century (Note)   (pos.pm;arith.diff)
dpmDE 0.04 10mas/yr Difference (FK5-FK4) in Proper motion in declination, expressed in seconds (") per tropical century (pos.pm;arith.diff)
mag 4.32 mag Adopted average FK4 magnitude for this star. (Input to Schwan's analytical functions.) (phot.mag;em.opt)

_RA.icrs06 28 52.706 "h:m:s" (i) Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra)
_DE.icrs-37 20 01.745 "d:m:s" (i) Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec)
  
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