VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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I/172/irs International Reference Stars (IRS) (Corbin 1991)
International Reference Stars (IRS), parts 1 (more reliable) and 2 (less reliable) (36027 rows)
  recno=2908
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ColumnValue  Explain   (UCD)
_RAJ200002 17 10.43896 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+23 46 03.9857 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 14 20.46271 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+23 32 14.8035 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon147.04639834 deg Galactic longitude at Epoch=J1950, proper motions taken into account (pos.galactic.lon)
_Glat-35.05672786 deg Galactic latitude at Epoch=J1950, proper motions taken into account (pos.galactic.lat)
2908recno 2908  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

p1   [1,2] Catalog Part number: 1=more reliable, 2=stars with poor observational history (meta.id;meta.main)
IRS 2908  (i) [1/76865] IRS sequential number (Note)   (meta.record)
RAB195002 14 20.462 "h:m:s" (i) Hours RA, equinox=B1950, Epoch=B1950.0 (pos.eq.ra;meta.main)
e_RAB1950 7 ms Mean error in RA at original epoch (stat.error;pos.eq.ra)
w_RAB1950 1.4  Sum of the weights in RA (stat.weight)
DEB1950+23 32 14.80 "d:m:s" (i) Degrees Dec, equinox, epoch B1950.0 (pos.eq.dec;meta.main)
e_DEB1950 9 10mas Mean error in Dec at original epoch (stat.error;pos.eq.dec)
w_DEB1950 1.6  Sum of the weights in DE (stat.weight)
pmRA -2.33 ms/yr RA proper motion, FK4 system (pos.pm;pos.eq.ra)
e_pmRA 0.33 ms/yr Mean error on pmRA (stat.error;pos.pm;pos.eq.ra)
pmDE -40.8 mas/yr DE proper motion, FK4 system (pos.pm;pos.eq.dec)
e_pmDE 3.9 mas/yr Mean error on pmDE (stat.error;pos.pm;pos.eq.dec)
EpRA1936.706 yr Original epoch of RA (epoch of mean position) (time.epoch)
EpDE1932.656 yr Original epoch of DE (epoch of mean position) (time.epoch)
o_RAB1950 6  Number of positions in RA (meta.number)
o_DEB1950 6  Number of positions in DE (meta.number)
Pmag 6.70 mag [520/1000] Photographic magnitude (phot.mag;em.opt)
SpTG5  Spectral type (src.spType)
BD+23 307  Bonner Durchmusterung number I/122 (meta.id)
CD   Cordoba Durchmusterung number I/114 (meta.id)
CP   Cape Photographic Durchmusterung I/108 (meta.id)
AGK3+001991  AGK3 number I/61 (meta.id)
CPC2   Second Cape Photograpic Catalog I/85 (meta.id)
IRSJJ021710.43+234603.9  IRS number, IRS Jhhmmss.ssSddmmss.s (Note)   (meta.id)
RA200002 17 10.432 "h:m:s" Hours RA, Equinox=J2000, Epoch=J2000 (Note)   (pos.eq.ra)
pmRA2000 -2.37 ms/yr Centennial RA proper motion, J2000.0 (pos.pm;pos.eq.ra)
EpRA-J2000-63.294 yr Original epoch - J2000.0 in RA (time.epoch;pos.eq.ra)
DE2000+23 46 03.91 "d:m:s" Degrees Dec, equinox, epoch J2000.0 (pos.eq.dec)
pmDE2000 -45.0 mas/yr Centennial Dec proper motion, J2000.0 (pos.pm;pos.eq.dec)
EpDE-J2000-67.344 yr Original epoch - J2000.0 in DE (time.epoch;pos.eq.dec)

_RA.icrs02 17 10.439 "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+23 46 03.986 "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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