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VizieR

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J/AJ/135/785/stars SDSS-DR5 low-mass star spectroscopic sample (West+, 2008)
Spectroscopic and Photometric parameters for 44084 M and L dwarfs in SDSS DR5 (44084 rows)
  recno=21974
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ColumnValue  Explain   (UCD)
_RAJ200009 48 27.6696 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+50 52 59.160 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 45 08.6366 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+51 06 56.652 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon165.6288364 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+48.2130870 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)
21974recno 21974  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Plate 902  SDSS plate (meta.note)
MJD52409 d Modified Julian date of observation (time.epoch)
Fiber194  Fiber number (meta.id;meta.main)
SpT 5   [0/10] Spectral M-type code (Note 1)   (src.spType)
pmRA 0 mas/yr Proper motion along right ascension (Note 2)   (pos.pm;pos.eq.ra)
e_pmRA 0.0 mas/yr Proper motion along RA error (Note 2)   (stat.error;pos.pm;pos.eq.ra)
pmDE 0 mas/yr Proper motion along declination (Note 2)   (pos.pm;pos.eq.dec)
e_pmDE 0.0 mas/yr Proper motion along DE error (Note 2)   (stat.error;pos.pm;pos.eq.dec)
RV -62.8 km/s Radial velocity (Note 3)   (spect.dopplerVeloc;pos.heliocentric)
Dist 272 pc Photometric distance (Note 4)   (pos.distance;pos.heliocentric)
umag24.02 mag SDSS u-band psf magnitude (phot.mag;em.opt.U)
e_umag 0.94 mag SDSS u-band psf magnitude error (stat.error;phot.mag;em.opt.U)
gmag22.64 mag SDSS g-band psf magnitude (phot.mag;em.opt.B)
e_gmag 0.13 mag SDSS g-band psf magnitude error (stat.error;phot.mag;em.opt.B)
rmag21.19 mag SDSS r-band psf magnitude (phot.mag;em.opt.R)
e_rmag 0.06 mag SDSS r-band psf magnitude error (stat.error;phot.mag;em.opt.R)
imag19.29 mag SDSS i-band psf magnitude (phot.mag;em.opt.I)
e_imag 0.03 mag SDSS i-band psf magnitude error (stat.error;phot.mag;em.opt.I)
zmag18.25 mag SDSS z-band psf magnitude (phot.mag;em.opt.I)
e_zmag 0.03 mag SDSS z-band psf magnitude error (stat.error;phot.mag;em.opt.I)
Jmag  mag 2MASS J-band psf magnitude (phot.mag;em.IR.J)
e_Jmag 0.00 mag 2MASS J-band psf magnitude error (stat.error;phot.mag;em.IR.J)
Hmag  mag 2MASS H-band psf magnitude (phot.mag;em.IR.H)
e_Hmag 0.00 mag 2MASS H-band psf magnitude error (stat.error;phot.mag;em.IR.H)
Kmag  mag 2MASS K-band psf magnitude (phot.mag;em.IR.K)
e_Kmag 0.00 mag 2MASS K-band psf magnitude error (stat.error;phot.mag;em.IR.K)
Au 0.07 mag u-band Galactic extinction (Note 5)   (phys.absorption)
Ag 0.05 mag g-band Galactic extinction (Note 5)   (phys.absorption.gal)
Ar 0.04 mag r-band Galactic extinction (Note 5)   (phys.absorption.gal)
Ai 0.03 mag i-band Galactic extinction (Note 5)   (phys.absorption.gal)
Az 0.02 mag z-band Galactic extinction (Note 5)   (phys.absorption)
EWHa 2.34 0.1nm Hα equivalent width (spect.line.eqWidth;em.line.Halpha)
e_EWHa 0.81 0.1nm Hα equivalent width error (stat.error)
TiO5 0.39  TiO5 bandhead (meta.note)
CaH1 0.50   CaH1 bandhead (meta.note)
CaH2 0.35  CaH2 bandhead (meta.note)
CaH3 0.50  CaH3 bandhead (meta.note)
TiO8 0.89   TiO8 bandhead (spect.index)
Acm   [mnwy] Activity indicator (y=active, n=no, m=marginally, w=weakly) (meta.code)
zDist 217.8 pc Vertical distance from the Galactic plane (pos.cartesian.z;pos.galactic)
UVel 50.5 km/s U space motion (positive toward Galactic center) (phys.veloc;pos.cartesian.x)
VVel -5.4 km/s V space motion (phys.veloc;pos.cartesian.y)
WVel -39.8 km/s W space motion (phys.veloc;pos.cartesian.z)
SNR 3.510  Signal-to-noise ratio near Hα (stat.snr)

DR5DR5  Data from SDSS-DR5 (meta.ref.url)
SDSSSDSS  Display the SDSS data for this star (meta.ref.url)
2M2M  Display the 2MASS data for this star (meta.ref.url)

RAJ2000147.11529 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+50.88310 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
  
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