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I/337/tgasptyc

Gaia DR1 (Gaia Collaboration, 2016)

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TGAS supplement with BT and VT magnitudes (original column names in green) (2057050 rows)

recno=2025477

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	19 52 40.715418037	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-26 50 27.76850232	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	19 49 36.950541802	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-26 58 14.71519770	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	014.045693647115	deg	Galactic longitude at Epoch=J2015, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON)
_Glat	-24.554749629083	deg	Galactic latitude at Epoch=J2015, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT)
2025477recno	2025477		Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

hip			Hipparcos identifier (hip) (meta.id.cross) (ID_ALTERNATIVE)
tycho2_id	6899-1510-1		Tycho 2 identifier (tycho2_id) (meta.id.cross) (ID_ALTERNATIVE)
solution_id	1635378410781933568		Solution ID (solution_id) (Note G1) (meta.id;meta.version) (ID_NUMBER)
source_id	6754863841454182784		⁽ⁱ⁾ Source ID (source_id) (Note G2) (meta.id;meta.main) (ID_MAIN)
random_index	1783584		Random index used to select subsets (random_index) (Note G3) (meta.code) (CODE_MISC)
ref_epoch	2015.0	yr	[2015.0] Reference epoch in Julian years (ref_epoch) (Note G4) (meta.ref;time.epoch) (TIME_EPOCH)
ra	298.1696278687	deg	⁽ⁱ⁾ Right ascension (ICRS) at epoch 2015.0 (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
ra_error	0.295	mas	⁽ⁱ⁾ Standard error of right ascension (ra_error) (stat.error;pos.eq.ra) (ERROR)
dec	-26.8410767687	deg	⁽ⁱ⁾ Declination (ICRS) at epoch 2015.0 (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
dec_error	0.113	mas	⁽ⁱ⁾ Standard error of declination (dec_error) (stat.error;pos.eq.dec) (ERROR)
parallax	0.78	mas	⁽ⁱ⁾ Absolute barycentric stellar parallax of the source at the reference epoch Epoch (parallax) (pos.parallax) (POS_PARLX_TRIG)
parallax_error	0.47	mas	⁽ⁱ⁾ Standard error of parallax (parallax_error) (stat.error;pos.parallax) (ERROR)
pmRA	-4.220	mas/yr	⁽ⁱ⁾ Proper motion in right ascension direction (pmRA) (Note G5) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pmra_error	1.516	mas/yr	⁽ⁱ⁾ Standard error of proper motion in right ascension direction (pmra_error) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pmdec	-7.191	mas/yr	⁽ⁱ⁾ Proper motion in declination direction (pmdec) (Note G6) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pmdec_error	1.302	mas/yr	⁽ⁱ⁾ Standard error of proper motion in declination direction (pmdec_error) (stat.error;pos.pm;pos.eq.dec) (ERROR)
ra_dec_corr	0.061		Correlation between right ascension and declination (ra_dec_corr) (stat.correlation) (STAT_CORRELATION)
ra_parallax_corr	0.218		Correlation between right ascension and parallax (ra_parallax_corr) (stat.correlation) (STAT_CORRELATION)
ra_pmra_corr	-0.207		Correlation between right ascension and proper motion in right ascension (ra_pmra_corr) (stat.correlation) (STAT_CORRELATION)
ra_pmdec_corr	0.002		Correlation between right ascension and proper motion in declination (ra_pmdec_corr) (stat.correlation) (STAT_CORRELATION)
dec_parallax_corr	-0.163		Correlation between declination and parallax (dec_parallax_corr) (stat.correlation) (STAT_CORRELATION)
dec_pmra_corr	0.405		Correlation between declination and proper motion in right ascension (dec_pmra_corr) (stat.correlation) (STAT_CORRELATION)
dec_pmdec_corr	0.350		Correlation between declination and proper motion in declination (dec_pmdec_corr) (stat.correlation) (STAT_CORRELATION)
parallax_pmra_corr	-0.630		Correlation between parallax and proper motion in right ascension (parallax_pmra_corr) (stat.correlation) (STAT_CORRELATION)
parallax_pmdec_corr	-0.680		Correlation between parallax and proper motion in declination (parallax_pmdec_corr) (stat.correlation) (STAT_CORRELATION)
pmra_pmdec_corr	0.912		Correlation between proper motion in right ascension and proper motion in declination (pmra_pmdec_corr) (stat.correlation) (STAT_CORRELATION)
astrometric_n_obs_al	134		Total number of observations AL (astrometric_n_obs_al) (Note G7) (meta.number) (NUMBER)
astrometric_n_obs_ac	134		Total number of observations AC (astrometric_n_obs_ac) (Note G8) (meta.number) (NUMBER)
astrometric_n_good_obs_al	134		Number of good observations AL (astrometric_n_good_obs_al) (Note G9) (meta.number) (NUMBER)
astrometric_n_good_obs_ac	130		Number of good observations AC (astrometric_n_good_obs_ac) (Note G9) (meta.number) (NUMBER)
astrometric_n_bad_obs_al	0		Number of bad observations AL (astrometric_n_bad_obs_al) (Note G10) (meta.number) (NUMBER)
astrometric_n_bad_obs_ac	4		Number of bad observations AC (astrometric_n_bad_obs_ac) (Note G10) (meta.number) (NUMBER)
astrometric_delta_q			Hipparcos/Gaia data discrepancy (Hipparcos subset of TGAS only) (astrometric_delta_q) (Note G11) (stat.value) (STAT_PARAM)
astrometric_excess_noise	0.68	mas	Excess noise of the source (astrometric_excess_noise) (Note G12) (stat.value) (STAT_PARAM)
astrometric_excess_noise_sig	3.2e+02		Significance of excess noise (astrometric_excess_noise_sig) (Note G13) (stat.value) (STAT_PARAM)
astrometric_primary_flag	1		[1] Primary or secondary (astrometric_primary_flag) (Note G14) (meta.code) (CODE_MISC)
astrometric_relegation_factor	6.69		Relegation factor (astrometric_relegation_factor) (arith.factor) (STAT_PARAM)
astrometric_weight_al	2.088	mas-2	Mean astrometric weight of the source in the AL direction (astrometric_weight_al) (stat.weight;stat.mean) (WEIGHT)
astrometric_weight_ac	3.00e-05	mas-2	Mean astrometric weight of the source in the AC direction (astrometric_weight_ac) (stat.weight;stat.mean) (WEIGHT)
astrometric_priors_used	5		[3/5] Type of prior used in in the astrometric solution (astrometric_priors_used) (Note G15) (meta.code) (CODE_MISC)
matched_observations	15		Amount of observations matched to this source (matched_observations) (Note G16) (meta.number) (NUMBER)
duplicated_source	1		[0/1] Source with duplicate sources (duplicated_source) (Note G17) (meta.code) (CODE_MISC)
scan_direction_strength_k1	0.576		[0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k1) (Note G18) (meta.code) (CODE_MISC)
scan_direction_strength_k2	0.701		[0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k2) (Note G18) (meta.code) (CODE_MISC)
scan_direction_strength_k3	0.342		[0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k3) (Note G18) (meta.code) (CODE_MISC)
scan_direction_strength_k4	0.411		[0/1] Degree of concentration of scan directions across the source (scan_direction_strength_k4) (Note G18) (meta.code) (CODE_MISC)
scan_direction_mean_k1	-4.39470150	deg	Mean position angle of scan directions across the source (scan_direction_mean_k1) (Note G19) (meta.code) (CODE_MISC)
scan_direction_mean_k2	-5.51340600	deg	Mean position angle of scan directions across the source (scan_direction_mean_k2) (Note G19) (meta.code) (CODE_MISC)
scan_direction_mean_k3	-1.08817390	deg	Mean position angle of scan directions across the source (scan_direction_mean_k3) (Note G19) (meta.code) (CODE_MISC)
scan_direction_mean_k4	8.83501600	deg	Mean position angle of scan directions across the source (scan_direction_mean_k4) (Note G19) (meta.code) (CODE_MISC)
phot_g_n_obs	133		Number of observations contributing to G photometry (phot_g_n_obs) (meta.number) (NUMBER)
phot_g_mean_flux	275464.00285	e-/s	⁽ⁱ⁾ G-band mean flux (phot_g_mean_flux) (phot.flux;stat.mean;em.opt) (PHOT_FLUX_R)
phot_g_mean_flux_error	258.09451	e-/s	⁽ⁱ⁾ Error on G-band mean flux (phot_g_mean_flux_error) (stat.error) (ERROR)
phot_g_mean_mag	11.925	mag	⁽ⁱ⁾ G-band mean magnitude (phot_g_mean_mag) (Note G20) (phot.mag;stat.mean;em.opt) (PHOT_MAG_R)
phot_variable_flag	NOT_AVAILABLE		Photometric variability flag (phot_variable_flag) (Note G21) (meta.code;src.var) (CODE_VARIAB)
l	14.0456952842	deg	⁽ⁱ⁾ Galactic longitude at epoch 2015.0 (l) (pos.galactic.lon) (POS_GAL_LON)
b	-24.5547500513	deg	⁽ⁱ⁾ Galactic latitude at epoch 2015.0 (b) (pos.galactic.lat) (POS_GAL_LAT)
ecl_lon	295.0496770883	deg	Ecliptic longitude at epoch 2015.0 (ecl_lon) (pos.ecliptic.lon) (POS_EC_LON)
ecl_lat	-5.8184579341	deg	Ecliptic latitude at epoch 2015.0 (ecl_lat) (pos.ecliptic.lat) (POS_EC_LAT)
TYC	6899-1510-1		TYC2 or TYC1 designation (meta.id.cross) (ID_ALTERNATIVE)
BTmag	14.165	mag	Tycho-2 or HIP BT magnitude (phot.mag;em.opt.B) (PHOT_TYCHO_B)
e_BTmag	0.638	mag	rms uncertainty on BTmag (stat.error;phot.mag;em.opt.B) (ERROR)
VTmag	11.473	mag	Tycho-2 or HIP VT magnitude (phot.mag;em.opt.V) (PHOT_TYCHO_V)
e_VTmag	0.136	mag	rms uncertainty on VTmag (stat.error;phot.mag;em.opt.V) (ERROR)

_RA.icrs	298.1696475752	deg	⁽ⁱ⁾ Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra) (POS_EQ_RA_OTHER)
_DE.icrs	-26.8410468062	deg	⁽ⁱ⁾ Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec) (POS_EQ_DEC_OTHER)

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