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I/259/tyc2

The Tycho-2 Catalogue (Hog+ 2000)

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*The Tycho-2 main catalogue (2539913 rows)

recno=1897146

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	07 13 12.3474959	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-42 24 35.172543	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	07 11 36.6140858	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-42 19 23.647111	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	253.6297557255	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) (POS_GAL_LON)
_Glat	-14.1942041298	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) (POS_GAL_LAT)
1897146recno	1897146		Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

TYC1	7638		⁽ⁱ⁾ [1,9537] TYC1 from TYC or GSC (Note 1) (meta.id.part;meta.main) (ID_MAIN:1)
TYC2	981		⁽ⁱ⁾ [1,12121] TYC2 from TYC or GSC (Note 1) (meta.id.part;meta.main) (ID_MAIN:2)
TYC3	1		⁽ⁱ⁾ [1,3] TYC3 from TYC (Note 1) (meta.id.part;meta.main) (ID_MAIN:3)
pflag			[ PX] mean position flag (Note 2) (meta.code) (CODE_MISC)
RAmdeg	108.30144738	deg	[]? Mean Right Asc, ICRS, epoch=J2000 (3) (Note 3) (pos.eq.ra) (POS_EQ_RA_OTHER)
DEmdeg	-42.40977031	deg	[]? Mean Decl, ICRS, at epoch=J2000 (3) (Note 3) (pos.eq.dec) (POS_EQ_DEC_OTHER)
pmRA	-15.7	mas/yr	[-4418.0,6544.2] prop. mot. in RAcos(dec) (Note)* (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmDE	-2.1	mas/yr	[-5774.3,10277.3] prop. mot. in Dec (Note) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
e_RAmdeg	45	mas	[3,183] s.e. RAcos(dec),at mean epoch (Note 5)* (stat.error) (ERROR)
e_DEmdeg	42	mas	[1,184] s.e. of Dec at mean epoch (Note 5) (stat.error) (ERROR)
e_pmRA	1.8	mas/yr	[0.2,11.5] s.e. prop mot in RAcos(dec) (Note 5)* (stat.error) (ERROR)
e_pmDE	1.6	mas/yr	[0.2,10.3] s.e. of proper motion in Dec (Note 5) (stat.error) (ERROR)
EpRAm	1983.78	yr	[1915.95,1992.53] mean epoch of RA (Note 4) (time.epoch) (TIME_EPOCH)
EpDEm	1983.67	yr	[1911.94,1992.01] mean epoch of Dec (Note 4) (time.epoch) (TIME_EPOCH)
Num	4		[2,36] Number of positions used (meta.id) (ID_NUMBER)
q_RAmdeg	1.4		[0.0,9.9] Goodness of fit for mean RA (Note 6) (meta.code.qual) (CODE_QUALITY)
q_DEmdeg	1.6		[0.0,9.9] Goodness of fit for mean Dec (Note 6) (meta.code.qual) (CODE_QUALITY)
q_pmRA	1.3		[0.0,9.9] Goodness of fit for pmRA (Note 6) (meta.code.qual) (CODE_QUALITY)
q_pmDE	1.6		[0.0,9.9] Goodness of fit for pmDE (Note 6) (meta.code.qual) (CODE_QUALITY)
BTmag	11.963	mag	[2.183,16.581] Tycho-2 BT magnitude (Note 7) (phot.mag;em.opt.B) (PHOT_TYCHO_B)
e_BTmag	0.092	mag	[0.014,1.977] s.e. of BT (Note 7) (stat.error) (ERROR)
VTmag	11.088	mag	[1.905,15.193] Tycho-2 VT magnitude (Note 7) (phot.mag;em.opt.V) (PHOT_TYCHO_V)
e_VTmag	0.065	mag	[0.009,1.468] s.e. of VT (Note 7) (stat.error) (ERROR)
prox	999		[3,999] proximity indicator (Note 8) (meta.code) (CODE_MISC)
TYC	T		[T] Tycho-1 star (Note 9) (meta.code) (CODE_MISC)
HIP			[1,120404] Hipparcos number (meta.id) (ID_ALTERNATIVE)
CCDM			CCDM component identifier for HIP stars (Note 10) (meta.code.multip) (CODE_MULT_INDEX)
RA(ICRS)	108.30149722	deg	⁽ⁱ⁾ Observed Tycho-2 Right Ascension, ICRS (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DE(ICRS)	-42.40976528	deg	⁽ⁱ⁾ Observed Tycho-2 Declination, ICRS (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
EpRA-1990	1.65	yr	[0.81,2.13] epoch-1990 of RAdeg (time.epoch) (TIME_EPOCH)
EpDE-1990	1.66	yr	[0.72,2.36] epoch-1990 of DEdeg (time.epoch) (TIME_EPOCH)
e_RAdeg	47.4	mas	s.e.RAcos(dec), of observed Tycho-2 RA (Note 5)* (stat.error) (ERROR)
e_DEdeg	44.2	mas	s.e. of observed Tycho-2 Dec (Note 5) (stat.error) (ERROR)
posflg			[ DP] type of Tycho-2 solution (Note 11) (meta.id;stat.fit) (FIT_TYPE)
corr	0.0		[-1,1] correlation (RAdeg,DEdeg) (stat.correlation) (STAT_CORRELATION)

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