All names: Gaia EDR3 3659360927020991104, Gaia DR3 3659360927020991104, SDSS J140827.91-011533.9, SDSS J140827.91-011533.8, SDSS J140827.92-011533.81, GALEX J140827.9-011533, 2QZ J140827.9-011533, SDSS J140827.92-011533.8, Gaia DR2 3659360927020991104
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 08 27.90 (0.4) | 14 08 27.91 | 14 08 27.90 (0.5) | 14 08 27.92 (0.4) | |||||
Declination | -01 15 34.11 (0.4) | -01 15 33.82 | -01 15 34.10 (0.5) | -01 15 33.76 (0.4) | |||||
Spectral type | DB:+M | DB:+M | DB | ||||||
Effective temperature | [K] | 11892.0 | 15712.0 (424) | ||||||
log(g) | [cgs] | 8.39 | 8.35 (0.3) | ||||||
Mass | [M☉] | 0.834 | |||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | 0.7085 | |||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
log(N/He) | |||||||||
log(O/He) | |||||||||
log(Na/He) | |||||||||
log(Mg/He) | |||||||||
log(Al/He) | |||||||||
log(Si/He) | |||||||||
log(P/He) | |||||||||
log(S/He) | |||||||||
log(Cl/He) | |||||||||
log(Sc/He) | |||||||||
log(Ti/He) | |||||||||
log(V/He) | |||||||||
log(Cr/He) | |||||||||
log(Mn/He) | |||||||||
log(Fe/He) | |||||||||
log(Co/He) | |||||||||
log(Ni/He) | |||||||||
log(Cu/He) | |||||||||
log(Zn/He) | |||||||||
log(Ga/He) | |||||||||
log(Ge/He) | |||||||||
log(Sr/He) | |||||||||
Parallax | [mas] | 3.18 (0.4) | 3.69 (0.7) | 3.18 (0.4) | |||||
Distance | [pc] | 314.70 (43) | 271.27 (48) | 314.70 (43) | |||||
Composition | He | ||||||||
Proper motion (right ascension) | [mas/yr] | -11.11304213 (0.5) | -11.88065227 (1) | -11.113 (0.5) | |||||
Proper motion (declination) | [mas/yr] | -22.23963883 (0.5) | -19.88974703 (1) | -22.24 (0.5) | |||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 19.49 (0.03) | 19.49 (0.03) | 19.49 (0.03) | ||||||
g magnitude | 19.46 (0.01) | 19.46 (0.01) | 19.46 (0.01) | ||||||
r magnitude | 19.69 (0.02) | 19.69 (0.02) | 19.69 (0.02) | ||||||
i magnitude | 19.91 (0.03) | 19.91 (0.03) | 19.91 (0.03) | ||||||
z magnitude | 19.80 (0.09) | 19.80 (0.09) | 19.80 (0.09) | ||||||
G magnitude | 19.57 (0.05) | 19.63 | 19.57 (0.005) | ||||||
BP magnitude | 19.54 (0.05) | 19.62 | |||||||
RP magnitude | 19.64 (0.08) | 19.50 | |||||||
Pan g magnitude | 19.51 (0.01) | ||||||||
Pan r magnitude | 19.72 (0.01) | ||||||||
Pan i magnitude | 19.92 (0.008) | ||||||||
Pan z magnitude | 19.98 (0.04) | ||||||||
Pan y magnitude | 20.20 (0.2) | ||||||||
E(B-V) | 0.026 |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.