VizieR

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IV/25/tyc2_hd

HD identifications for Tycho-2 stars (Fabricius+, 2002)

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Catalog (353527 rows)

recno=183022

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	12 59 02.0153	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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.eq.ra) (POS_EQ_RA)
_DEJ2000	-09 50 04.294	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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.eq.dec) (POS_EQ_DEC)
_RAB1950	12 56 25.4011	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (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.eq.ra) (POS_EQ_RA)
_DEB1950	-09 33 53.851	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (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.eq.dec) (POS_EQ_DEC)
_Glon	306.0412012	deg	Galactic longitude at Epoch=J2000. (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	+52.9913604	deg	Galactic latitude at Epoch=J2000. (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)
183022recno	183022		Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

TYC1	5536		[1,9537] TYC1 from Tycho-2 (meta.id) (ID_ALTERNATIVE)
TYC2	983		[1,12121] TYC2 from Tycho-2 (meta.id) (ID_ALTERNATIVE)
TYC3	1		[1,4] TYC3 from Tycho-2 (meta.id) (ID_ALTERNATIVE)
f_TYC			[S] Set for stars in Tycho-2 Supplement#1 (meta.code) (CODE_MISC)
HD	112758		⁽ⁱ⁾ HD (Cat. III/135) identifier (meta.id;meta.main) (ID_MAIN)
SpType	G5		Spectral type from HD catalogue (src.spType) (SPECT_TYPE_GENERAL)
n_HD	1		[1,2] number of HD stars for this Tyc2 star (meta.note) (NOTE)
n_TYC	1		[1,2] number of Tyc2 stars for this HD star (meta.note) (NOTE)
TDSC	D		[D] star in Tycho Double Star Catalogue (meta.code) (CODE_MISC)
Rem			[DEGMR] Remarks flag from HD file (Note)* (meta.code) (CODE_MISC)
Note			N indicates a note in the "notes.dat" file, and E an erratum (in ) (meta.note) (NOTE)

Simbad	Simbad		ask the Simbad* data-base about this object (DATA_LINK)*
_RA	194.75840	deg	⁽ⁱ⁾ Position from the Tycho-2 Catalog (I/259) or from TDSC (I/276) (right ascension part) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
_DE	-09.83453	deg	⁽ⁱ⁾ Position from the Tycho-2 Catalog (I/259) or from TDSC (I/276) (declination part) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)

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