VizieR

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VizieR

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J/A+AS/142/275/tablea2 Stellar activity of late-type stars (Strassmeier+ 2000)
Stars without emission (766 rows)
  recno=254
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ColumnValue  Explain   (UCD)
_RAJ200006 53 26.2147 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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)
_DEJ2000+21 43 05.605 "d:m:s" Declination (FK5, Equinox=J2000.0) (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)
_RAB195006 50 26.5027 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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)
_DEB1950+21 46 50.722 "d:m:s" Declination (FK4, Equinox=B1950.0) (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)
_Glon193.6146501 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)
_Glat+10.1336461 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)
254recno 254  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

NameHD50275  (i) HD, HIP or SAO number or variable name (meta.id;meta.main)

n_Name   P indicates that the star is in the photometric survey (table A3) (meta.ref.url)

Vmag 8.29 mag V magnitude (phot.mag;em.opt.V)
SpTK0  Spectral type (Note 1)   (src.spType)
B-V 0.98 mag Johnson B-V colour index (phot.color;em.opt.B;em.opt.V)
Teff4890 K Effective temperature (phys.temperature.effective)
Plx 5.91 mas Trigonometric parallax (pos.parallax.trig)
VMAG 2.15 mag Absolute visual brightness (phys.magAbs;em.opt.V)
LCIII  Luminosity class (src.class.luminosity)
MT 3 km/s Macro turbulence (phys.veloc.microTurb)
V-R 0.75 mag Johnson V-R colour index (phot.color;em.opt.V;em.opt.R)
HJD2451230.6332 d Heliocentric Julian Date (time.epoch)
RV 82.1 km/s Heliocentric radial velocity (spect.dopplerVeloc;pos.heliocentric)
e_RV 0.4 km/s Standard error in RV (stat.error)
Uvel -79.3 km/s Space velocity towards the galactic center (phys.veloc;pos.cartesian.x)
Vvel -37.0 km/s Space vel. in direction of gal. rotation (phys.veloc;pos.cartesian.y)
Wvel-12.2 km/s Space vel. in direction of gal. north pole (phys.veloc;pos.cartesian.z)
logFK 5.25 [mW/m2] Logarithmic CaII K line flux in erg/cm2/s (phot.flux)
logFH 5.27 [mW/m2] Logarithmic CaII H line flux in erg/cm2/s (phot.flux)
logF'K 5.12 [mW/m2] Logarithmic pure chromospheric CaII K flux (phot.flux)
logF'H 5.17 [mW/m2] Logarithmic pure chromospheric CaII H flux (phot.flux)
R(HK) 9e-06   Activity index (FH'+FK')/(σ*Teff4) (spect.index)
l_vsini   Limit flag on vsini (meta.code.error;phys.veloc.rotat)
vsini 5.7 km/s Projected rotational velocity (phys.veloc.rotat)
WSr 599 0.1pm Equivalent width of SrII 4077 (mÅ) (spect.line.eqWidth)
ISr 0.85   Residual intensity of SrII 4077 (spect.line.intensity)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref)
_RA103.35923 deg (i) Position (of main component) from SIMBAD (right ascension part) (pos.eq.ra;meta.main)
_DE+21.71822 deg (i) Position (of main component) from SIMBAD (declination part) (pos.eq.dec;meta.main)
  
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