Column | Value | | Explain (UCD) |
_RAJ2000 | 15 40 28.4431143889 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA) |
_DEJ2000 | +18 40 17.329039971 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC) |
_RAB1950 | 15 38 13.2773432564 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA) |
_DEB1950 | +18 49 53.496602482 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC) |
_Glon | 29.8057012425790 | deg | Galactic longitude at Epoch=J1990, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON) |
_Glat | +50.3541111496785 | deg | Galactic latitude at Epoch=J1990, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT) |
328794recno | 328794 | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
|
IDTyc2 | 1498-1693-2 | | (i) Tycho-2 identifier (TYC1-TYC2-TYC3) (id) (meta.id;meta.main) (ID_MAIN) |
HIP | 76769 | | (i) Hipparcos number (hip) (meta.id.cross) (ID_NUMBER) |
TYC1 | 1498 | | TYC1 component from TYC or GSC (tyc1) (meta.id.part;meta.main) (ID_NUMBER) |
TYC2 | 1693 | | TYC2 component from TYC or GSC (tyc2) (meta.id.part;meta.main) (ID_NUMBER) |
TYC3 | 2 | | TYC2 component from TYC or GSC (tyc3) (meta.id.part;meta.main) (ID_NUMBER) |
TYC | 1498016932 | | Numeric Tycho-2 identifier ((tyc1*1000000)+(tyc2*10)+(tyc3)) (id_tycho) (meta.id;meta.dataset) (ID_NUMBER) |
IDTyc1 | T | | Tycho-1 star (tyc) (meta.code) (ID_NUMBER) |
RAT | 235.11856810000 | deg | (i) Observed Tycho-2 Right Ascension (ICRS) at epoch 1990+EpRA1990 (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
e_RAT | 9.0 | mas | Uncertainty RA*cos(dec), of observed Tycho-2 RA (eradeg) (stat.error) (ERROR) |
DET | +18.67142890000 | deg | (i) Observed Tycho-2 Declination (ICRS) at epoch 1990+EpDE1990 (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
e_DET | 9.0 | mas | Uncertainty of observed Tycho-2 Dec (ededeg) (stat.error) (ERROR) |
RAmdeg | 235.11852785000 | deg | Mean Right Ascension (ICRS) at Ep=J2000 (ra_mdeg) (pos.eq.ra) (POS_EQ_RA_OTHER) |
e_RAmdeg | 7.0 | mas | Uncertainty RA*cos(dec),at mean epoch (eramdeg) (stat.error) (ERROR) |
DEmdeg | +18.67156745000 | deg | Mean Declination (ICRS) at Ep=J2000 (de_mdeg) (pos.eq.dec) (POS_EQ_DEC_OTHER) |
e_DEmdeg | 6.0 | mas | Uncertainty of Dec at mean epoch (edemdeg) (stat.error) (ERROR) |
pmRA | -18.8 | mas/yr | (i) Proper motion in right ascension, pmRA*cos(DE) (pm_ra) (pos.pm;pos.eq.ra) (POS_EQ_PMRA) |
e_pmRA | 1.1 | mas/yr | Uncertainty proper motion in RA*cos(dec) (epmra) (stat.error;pos.pm;pos.eq.ra) (ERROR) |
pmDE | 18.5 | mas/yr | (i) Proper motion in Declination (pm_de) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC) |
e_pmDE | 1.0 | mas/yr | Uncertainty of proper motion in Dec (epmde) (stat.error;pos.pm;pos.eq.dec) (ERROR) |
EpRA1990 | 1.67 | yr | Epoch-1990 of RAdeg (ep_ra1990) (time.epoch) (TIME_EPOCH) |
EpDE1990 | 1.58 | yr | Epoch-1990 of DEdeg (ep_de1990) (time.epoch) (TIME_EPOCH) |
EpRAmdeg | 1990.97 | yr | Mean epoch of RAmdeg (epram) (time.epoch) (TIME_EPOCH) |
EpDEmdeg | 1991.03 | yr | Mean epoch of DEmdeg (epdem) (time.epoch) (TIME_EPOCH) |
Num | 12 | | Number of positions used for forming mean data (num) (meta.number) (NUMBER) |
Corr | -0.1 | | Correlation (RAdeg,DEdeg) (corr) (stat.correlation;pos.eq.ra;pos.eq.dec) (STAT_CORRELATION) |
q_RAmdeg | 0.6 | | Goodness of fit for mean RA (qramdeg) (meta.code.qual) (CODE_QUALITY) |
q_DEmdeg | 0.5 | | Goodness of fit for mean DE (qdemdeg) (meta.code.qual) (CODE_QUALITY) |
q_pmDE | 0.4 | | Goodness of fit for pmDe (qpmde) (meta.code.qual) (CODE_QUALITY) |
q_pmRA | 0.5 | | Goodness of fit for pmRa (qpmra) (meta.code.qual) (CODE_QUALITY) |
pflag | P | | Mean position flag (pflag) (meta.code) (CODE_MISC) |
posflg | N | | Type of Tycho-2 solution (posflg) (meta.id;stat.fit) (CODE_MISC) |
CCDM | B | | CCDM component identifier for HIP stars (ccdm) (meta.code.multip) (CODE_MISC) |
prox | | | Proximity indicator (prox) (meta.code) (CODE_MISC) |
BTmag | 8.690 | mag | Tycho-2 BT magnitude (bt_mag) (phot.mag;em.opt.B) (PHOT_TYCHO_B) |
e_BTmag | 0.020 | mag | Uncertainty of BTmag (ebtmag) (stat.error) (ERROR) |
VTmag | 8.440 | mag | Tycho-2 VT magnitude (vt_mag) (phot.mag;em.opt.V) (PHOT_TYCHO_V) |
e_VTmag | 0.020 | mag | Uncertainty of VTmag (evtmag) (stat.error) (ERROR) |
TDSC | 40191 | | (i) TDSC identifier for the system (sys_no) (meta.id) (ID_ALTERNATIVE) |
cmp | B | | Component designation (cmp) (meta.id.part) (ID_MAIN:2) |
Nmain | 2 | | Number of components in TDSC main catalogue (n_main) (meta.number) (NUMBER) |
Nsup | 0 | | Number of components in the TDSC supplement (n_sup) (meta.number) (NUMBER) |
magflg | A | | TDSC photometry flag (magflg) (meta.code) (CODE_MISC) |
WDS | 15405+1840 | | (i) WDS identifier for the system (wds) (meta.id.cross) (ID_ALTERNATIVE) |
Note | | | TDSC notes (note) (meta.note) (NOTE) |
HD | 139939 | | HD identifier for TDSC entries (hd) (meta.id.cross) (ID_ALTERNATIVE) |
rcmp | A | | Reference component for position angle and separation (rcmp) (meta.id.assoc) (ID_MAIN:2) |
PA | 183.0 | deg | Position angle of the present component (cmp) with respect to the reference component (rcmp) (pa) (pos.posAng) (POS_POS-ANG) |
e_PA | 1.1 | deg | Uncertainty of the position angle (e_pa) (stat.error) (ERROR) |
Sep | 0.65 | arcsec | Separation of the present component (cmp) with respect to the reference component (rcmp) (sep) (pos.angDistance) (ORBIT_DISTANCE) |
e_Sep | 12 | mas | Uncertainty of the separation (e_sep) (stat.error) (ERROR) |
e_PA.Sep | 12 | | Uncertainty of the position angle * separation (epasep) (stat.error) (ERROR) |
|
_RA.icrs | 235.11851297662 | deg | (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra) (POS_EQ_RA_OTHER) |
_DE.icrs | +18.67148028888 | deg | (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec) (POS_EQ_DEC_OTHER) |