VizieR

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

VizieR

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I/246/act The ACT Reference Catalog (Urban+ 1997)
Full ACT catalog, originally split into 48 files, each 30min wide (988758 rows)
  recno=558185
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Note: Direct links to the Hipparcos and Tycho data (catalog I/239) are provided when relevant

ColumnValue  Explain   (UCD)
_RAJ200014 18 30.772200 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-30 29 32.98400 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195014 15 34.941717 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-30 15 44.24572 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon324.306714056 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+28.739767675 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
558185recno 558185  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RA(ICRS)14 18 30.7722 "h:m:s" (i) Right Ascension ICRS, Epoch=J2000.0 (hours) (pos.eq.ra;meta.main)
DE(ICRS)-30 29 32.984 "d:m:s" (i) Declination ICRS, Epoch=J2000.0 (sign) (pos.eq.dec;meta.main)
pmRA 0.00023 s/yr Proper Motion in RA, (sec of time/yr) (pos.pm;pos.eq.ra)
pmDE-0.0054 arcsec/yr Proper Motion in Dec, arcsec/yr) (pos.pm;pos.eq.dec)
e_RAs 34.5 mas Stand. dev. of RA at Epoch 1991.25 from Tycho (T14) (stat.error)
e_DEs 31.9 mas Stand. dev. of Dec at Epoch 1991.25 from Tycho (T15) (stat.error)
e_pmRA 1.34 mas/yr Stand. dev. of Proper motion (RA), (stat.error)
e_pmDE 2.39 mas/yr Stand. dev. of Proper motion (DE), (stat.error)
BTmag11.697 mag Blue magnitude from Tycho (T32) (phot.mag;em.opt.B)
VTmag10.947 mag Visual magnitude from Tycho (T34) (phot.mag;em.opt.V)
B-V 0.669 mag Johnson B-V from Tycho (T37) (phot.color;em.opt.B;em.opt.V)
flag1    [X] Astrometric Quality flag (T10) (Note)   (meta.note)
flag24   [1-8] Quality flag (T40) (Note)   (meta.note)
flag3    [GN] Known variability flag (T47) (Note)   (meta.code;src.var)
flag4    [UVW] Variability from Tycho (T48) (Note)   (meta.code;src.var)
flag5Z   [YZ] Duplicity from Tycho (T49) (Note)   (meta.note)
TYC728200161401  (i) Tycho ID, embedded zeros for blanks (meta.id;meta.main)
AC20003032553  AC 2000 Number (meta.id)
BD   BD identifier (T54) (meta.id)
CD   CD identifier (T55) (meta.id)
CPD   CPD identifier (T56) (meta.id)
HD   Henry Draper Number (T53) (meta.id)
HIP   (i) Hipparcos Number (T31) (meta.id)
  
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