B/wd/catalog | Spectroscopically identified white dwarfs (McCook+, 2014) Data for the White Dwarfs (27975 rows) | recno=1686 |
Column | Value | Explain (UCD) | |
_RAJ2000 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) | |
_DEJ2000 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) | |
_RAB1950 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) | |
_DEB1950 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) | |
_Glon | deg | Galactic longitude at Epoch=J1950, proper motions taken into account (pos.galactic.lon) | |
_Glat | deg | Galactic latitude at Epoch=J1950, proper motions taken into account (pos.galactic.lat) | |
1686recno | 1686 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
New | [N] for a New star (meta.code) | ||
N | 7 | Number of rows with data for this WD in this table (meta.number) | |
WD | 0435-088 | (i) White Dwarf (WD) number (Note 1) (meta.id;meta.main) | |
n_WD | [*F] Name originally J-based (Note 7) (meta.note) | ||
RAB1950 | "h:m:s" | (i) Hours RA, Equinox=B1950, Epoch=1950.0 (Note 2) (pos.eq.ra;meta.main) | |
DEB1950 | "d:m:s" | (i) Degrees Dec, Equinox=B1950, Epoch=1950.0 (Note 2) (pos.eq.dec;meta.main) | |
SpT | DQ7.6 | Spectral type (definitions in the paper, or in file "![]() | |
bNote | [*b?] 'b' if white dwarf is member of binary, '*' indicates a note in file "![]() | ||
r_SpT | EL | Reference code for spectral type (meta.ref;pos.frame) | |
M1 | [NACU] Modifications of spectral type (Note 6) (meta.note) | ||
Names | LTT 2049 | Other names for this star, see table Names (meta.id) | |
Vmag | 13.770 | mag | [6.4/24.3] V or other magnitude (see n_Vmag) (phot.mag;em.opt.V) |
u_Vmag | [:?] Uncertainty flag on Vmag (meta.code.error) | ||
n_Vmag | [pgBv ] v = multichannel V, pg = photographic, B = Johnson B (meta.note) | ||
B-V | 0.330 | mag | [-0.7/2] B-V color index in the UBV system (phot.color;em.opt.B;em.opt.V) |
u_B-V | Uncertainty flag (:) on B-V color index (meta.code.error;phot.color;em.opt.B) | ||
col | Color class from Lowell or Luyten PM surveys (src.class.color) | ||
U-B | -0.720 | mag | [-9.9/1.4] U-B color index in the UBV system (phot.color;em.opt.U;em.opt.B) |
u_U-B | Uncertainty flag (:) on U-B color index (meta.code.error;phot.color;em.opt.U) | ||
r_Vmag | 54 | Wide band photometry reference code (meta.ref;pos.frame) | |
M2 | [NACU] Modifications of UBV magnitudes (Note 6) (meta.note) | ||
Vsphot | mag | [9.5/20.1] V mag from multichannel spectrophotometry (phot.mag;em.opt.V) | |
(g-r) | mag | [-1.3/2.8] g-r color index from spectrophotometry (phot.color;em.opt.V;em.opt.R) | |
u_(g-r) | Uncertainty flag (:) on g-r (meta.code.error) | ||
r_Vsphot | Multichannel spectrophotometry reference code (meta.ref;pos.frame) | ||
M3 | [N] Modifications of Vsphot (Note 6) (meta.note) | ||
ymag | mag | [9.5/17.3] y mag from ubvy photoelectric observations (phot.mag;em.opt.V) | |
b-y | mag | [-0.4/0.8] b-y color index from uvby (phot.color;em.opt.B;em.opt.V) | |
u_b-y | Uncertainty flag (:) on b-y (meta.code.error;phot.color;em.opt.B) | ||
u-b | mag | [-0.6/2] u-b color index from uvby (phot.color;em.opt.U;em.opt.B) | |
r_ymag | uvby photoelectric photometry reference code (meta.ref;pos.frame) | ||
M4 | [NCU] Modifications of uvby photometry (Note 6) (meta.note) | ||
AbsMag | mag | [-0.2/18.1] Absolute visual (or B) magnitude (Note 3) (phys.magAbs;em.opt.V) | |
f_AbsMag | [:B] uncertainty flag or B AbsMag (Note 3) (meta.code) | ||
Teff | kK | [10/170] Effective temperature (phys.temperature.effective) | |
n_AbsMag | Method of calculation of AbsMag (Note 5) (meta.note) | ||
M5 | [NACabc] Modification of AbsMag (Note 6) (meta.note) | ||
l_pm | [~<] Limit flag on pm (meta.code.error) | ||
pm | 1.5740 | arcsec/yr | [0/7] Total proper motion (pos.pm) |
u_pm | [:!0123] Uncertainty flag (:) on pm, problem on proper motion (!), or Estimated proper motion (Note 4) (meta.code.error) | ||
pmPA | 171.1 | deg | Position angle of proper motion vector (pos.pm;pos.posAng) |
r_pm | PV | Proper motion reference code (meta.ref;pos.frame) | |
M6 | N | [NAC] New line, Additional or Corrected pm (meta.note) | |
RadVel | km/s | [-262/422] Radial velocity (spect.dopplerVeloc;pos.heliocentric) | |
Adp-V | km/s | [-97.2/134] Adopted apparent velocity (Note 8) (phys.veloc;pos.heliocentric) | |
r_RadVel | Velocity reference (meta.ref;pos.frame) | ||
M7 | [NA] Modification of RadVel (Note 6) (meta.note) | ||
Plx | 0.1051 | arcsec | [-0.003/0.6] Trigonometric parallax (pos.parallax.trig) |
e_Plx | mas | [0/97] Reported mean error of parallax (stat.error;pos.parallax) | |
r_Plx | PV | Parallax reference code (meta.ref;pos.frame) | |
M8 | N | [NACU] Modification of parallax (Note 6) (meta.note) | |
gmag | mag | [11.4/29] SDSS green magnitude (phot.mag;em.opt.B) | |
u_gmag | [*:] questionable (*) or uncertain (:) SDSS photometry (meta.code.error) | ||
u-g | mag | [-3.4/8] SDSS u-g Color Index (phot.color;em.opt.U;em.opt.B) | |
g-r | mag | [-5.3/7] SDSS g-r Color Index (phot.color;em.opt.B;em.opt.R) | |
r-i | mag | [-7.4/2.4] SDSS r-i Color Index (phot.color;em.opt.R;em.opt.I) | |
i-z | mag | [-6.3/7.1] SDSS i-z Color Index (phot.color;em.opt.I;em.opt.I) | |
r_gmag | SDSS colors reference (meta.ref;pos.frame) | ||
M9 | [N] Modification of SDSS photometry (Note 6) (meta.note) | ||
WDcat | WDcat | Display the details from the on-line Web catalog (meta.ref.url) | |
Simbad | Simbad | ask the Simbad data-base about this object (meta.ref.url) | |
_RA.icrs | "h:m:s" | (i) Right ascension (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.ra) | |
_DE.icrs | "d:m:s" | (i) Declination (ICRS) at Epoch=J2000, proper motions taken into account (computed by VizieR, not part of the original data) (pos.eq.dec) |
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