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=3648 |
Column | Value | Explain (UCD) | |
_RAJ2000 | 00 32 10.2463 | "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) |
_DEJ2000 | -00 45 29.628 | "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) |
_RAB1950 | 00 29 36.5860 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950. (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 | -01 02 02.575 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950. (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) |
_Glon | 112.1893480 | 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 | -63.2274065 | 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) |
3648recno | 3648 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
Plate | 1126 | SDSS plate (meta.note) | |
MJD | 52618 | d | Modified Julian date of observation (time.epoch) |
Fiber | 294 | Fiber number (meta.id;meta.main) | |
SpT | 2 | [0/10] Spectral M-type code (Note 1) (src.spType) | |
pmRA | 12 | mas/yr | Proper motion along right ascension (Note 2) (pos.pm;pos.eq.ra) |
e_pmRA | 4.2 | mas/yr | Proper motion along RA error (Note 2) (stat.error;pos.pm;pos.eq.ra) |
pmDE | -5 | mas/yr | Proper motion along declination (Note 2) (pos.pm;pos.eq.dec) |
e_pmDE | 4.2 | mas/yr | Proper motion along DE error (Note 2) (stat.error;pos.pm;pos.eq.dec) |
RV | 44.6 | km/s | Radial velocity (Note 3) (spect.dopplerVeloc;pos.heliocentric) |
Dist | 626 | pc | Photometric distance (Note 4) (pos.distance;pos.heliocentric) |
umag | 23.67 | mag | SDSS u-band psf magnitude (phot.mag;em.opt.U) |
e_umag | 1.13 | mag | SDSS u-band psf magnitude error (stat.error;phot.mag;em.opt.U) |
gmag | 20.53 | mag | SDSS g-band psf magnitude (phot.mag;em.opt.B) |
e_gmag | 0.04 | mag | SDSS g-band psf magnitude error (stat.error;phot.mag;em.opt.B) |
rmag | 19.05 | mag | SDSS r-band psf magnitude (phot.mag;em.opt.R) |
e_rmag | 0.02 | mag | SDSS r-band psf magnitude error (stat.error;phot.mag;em.opt.R) |
imag | 18.00 | mag | SDSS i-band psf magnitude (phot.mag;em.opt.I) |
e_imag | 0.01 | mag | SDSS i-band psf magnitude error (stat.error;phot.mag;em.opt.I) |
zmag | 17.40 | mag | SDSS z-band psf magnitude (phot.mag;em.opt.I) |
e_zmag | 0.02 | mag | SDSS z-band psf magnitude error (stat.error;phot.mag;em.opt.I) |
Jmag | 16.14 | mag | 2MASS J-band psf magnitude (phot.mag;em.IR.J) |
e_Jmag | 0.07 | mag | 2MASS J-band psf magnitude error (stat.error;phot.mag;em.IR.J) |
Hmag | 15.64 | mag | 2MASS H-band psf magnitude (phot.mag;em.IR.H) |
e_Hmag | 0.11 | mag | 2MASS H-band psf magnitude error (stat.error;phot.mag;em.IR.H) |
Kmag | 15.17 | mag | 2MASS K-band psf magnitude (phot.mag;em.IR.K) |
e_Kmag | 0.14 | mag | 2MASS K-band psf magnitude error (stat.error;phot.mag;em.IR.K) |
Au | 0.10 | mag | u-band Galactic extinction (Note 5) (phys.absorption) |
Ag | 0.08 | mag | g-band Galactic extinction (Note 5) (phys.absorption.gal) |
Ar | 0.05 | mag | r-band Galactic extinction (Note 5) (phys.absorption.gal) |
Ai | 0.04 | mag | i-band Galactic extinction (Note 5) (phys.absorption.gal) |
Az | 0.03 | mag | z-band Galactic extinction (Note 5) (phys.absorption) |
EWHa | -0.23 | 0.1nm | Hα equivalent width (spect.line.eqWidth;em.line.Halpha) |
e_EWHa | 0.16 | 0.1nm | Hα equivalent width error (stat.error) |
TiO5 | 0.56 | TiO5 bandhead (meta.note) | |
CaH1 | 0.80 | CaH1 bandhead (meta.note) | |
CaH2 | 0.52 | CaH2 bandhead (meta.note) | |
CaH3 | 0.74 | CaH3 bandhead (meta.note) | |
TiO8 | 0.96 | TiO8 bandhead (spect.index) | |
Ac | n | [mnwy] Activity indicator (y=active, n=no, m=marginally, w=weakly) (meta.code) | |
zDist | -543.3 | pc | Vertical distance from the Galactic plane (pos.cartesian.z;pos.galactic) |
UVel | -20.9 | km/s | U space motion (positive toward Galactic center) (phys.veloc;pos.cartesian.x) |
VVel | -5.7 | km/s | V space motion (phys.veloc;pos.cartesian.y) |
WVel | -42.1 | km/s | W space motion (phys.veloc;pos.cartesian.z) |
SNR | 17.100 | Signal-to-noise ratio near Hα (stat.snr) | |
DR5 | DR5 | Data from SDSS-DR5 (meta.ref.url) | |
SDSS | SDSS | Display the SDSS data for this star (meta.ref.url) | |
2M | 2M | Display the 2MASS data for this star (meta.ref.url) | |
RAJ2000 | 008.04269 | deg | (i) Right ascension (J2000) (pos.eq.ra;meta.main) |
DEJ2000 | -00.75823 | deg | (i) Declination (J2000) (pos.eq.dec;meta.main) |
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