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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=17472
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ColumnValue  Explain   (UCD)
_RAJ200022:31:41.32006 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-10:54:20.0371 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022:29:02.32454 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-11:09:44.5148 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon052.39052336 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-53.38609548 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)

Seq19208  Serial Number of the record in order of B1950.0 right ascension. (meta.number)
f_pm*  Proper motion code: * = Preliminary proper motion (T. Corbin). C = Cape, Yale, GC, etc. (meta.code)
SRS17472  (i) Original SRS number in the observing list. (meta.id;meta.main)
DM-1105855  Durchmusterung number (meta.id)
m73 dmag Magnitude in 0.1mag (phot.mag;em.opt)
SpF0  Spectral type (src.spType)
RAB195022:29:02.415 "h:m:s" (i) Right Ascension B1950, at mean epoch (pos.eq.ra;meta.main)
e_RAB1950 35 ms Mean error of the right ascension. Referred to the equator by multiplication with cosine of the declination. (stat.error;pos.eq.ra)
NaW18  Number of observations in right ascension (Washington compilation). (meta.number)
EpRA-190068261 myr Mean epoch of observation of the right ascension minus B1900.0 (in 0.001 tropical years) (time.epoch)
DEB1950-11:09:45.24 "d:m:s" (i) Declination B1950, at mean epoch (pos.eq.dec;meta.main)
e_DEB1950 11 10mas Mean error of the declination, in 0.01arcsec (Note)   (stat.error;pos.eq.dec)
NdW18  Number of observations in declination (Washington compilation). (meta.number)
EpDE-190068361 myr Mean epoch of observation of the declination minus B1900.0 (in 0.001 tropical years) (time.epoch)
CaW5  Number of catalogs in right ascension (Washington compilation). (meta.number)
CdW5  Number of catalogs in declination (Washington compilation). (meta.number)
NaP18  Number of observations in right ascension (Pulkovo compilation). (meta.number)
NdP15  Number of observations in declination (Pulkovo compilation). (meta.number)
CaP5  Number of catalogs in right ascension (Pulkovo compilation). (meta.number)
CdP4  Number of catalogs in declination (Pulkovo compilation). (meta.number)
pmRA 499 10us/yr Approximate proper motion in right ascension (B1950.0), in milli-seconds (time) per tropical century. (pos.pm;pos.eq.ra)
pmDE -39.5 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-0.01 arcsec Difference (FK5-FK4) in Declination (pos.eq.dec;arith.diff)
dpmRA 0.008 10ms/yr Difference (FK5-FK4) in Proper motion in right ascension, expressed in seconds (time) per tropical century (Note)   (pos.pm;arith.diff)
dpmDE 0.10 10mas/yr Difference (FK5-FK4) in Proper motion in declination, expressed in seconds (") per tropical century (pos.pm;arith.diff)
mag 5.02 mag Adopted average FK4 magnitude for this star. (Input to Schwan's analytical functions.) (phot.mag;em.opt)

_RA.icrs22 31 41.167 "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-10 54 58.289 "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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