All names: SDSS J095159.83+204521.6, Gaia EDR3 628067498784238208, Gaia DR3 628067498784238208, J0951+2045, SDSS J095159.84+204521.6, USNO-B1.0 1107-00183247, LSPM J0951+2045E, GALEX J095159.9+204521, SDSS J095159.84+204521.7, Gaia DR2 628067498784238208
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 51 59.94 (0.2) | 09 51 59.84 | 09 51 59.94 (0.3) | 09 51 59.94 | 09 51 59.79 (0.2) | 09 51 59.84 | |||||||
Declination | 20 45 20.10 (0.2) | 20 45 21.68 | 20 45 20.17 (0.2) | 20 45 20.10 | 20 45 22.40 (0.2) | 20 45 21.69 | |||||||
Spectral type | DC | DC | DC | DC | DC | DC | DC | ||||||
Effective temperature | [K] | 6304.0 (54) | 6660.0 | 6445.0 | 6062.0 (225) | 6394.0 (41) | |||||||
log(g) | [cgs] | 7.90 (0.05) | 8.11 | 8.01 | 7.95 (0.06) | 10.00 (0.008) | |||||||
Mass | [M☉] | 0.513 (0.04) | 0.659 | 0.576 | 0.539 (0.05) | ||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 1.8600 | 2.1230 | 1.9290 | |||||||||
log(H/He) | -3.2 | ||||||||||||
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] | 9.96 (0.2) | 9.78 (0.4) | 9.78 (0.4) | 9.96 | 9.96 (0.2) | |||||||
Distance | [pc] | 100.41 (2) | 102.25 (4) | 102.26 (4) | 100.41 | 100.41 (2) | |||||||
Composition | He | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 138.0869881 (0.2) | 137.4297438 (0.5) | 138.087 (0.2) | |||||||||
Proper motion (declination) | [mas/yr] | -143.6692473 (0.2) | -143.4468419 (0.4) | -143.669 (0.2) | |||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 18.80 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 18.30 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 18.27 (0.06) | ||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 19.68 (0.03) | 19.68 (0.03) | 19.68 (0.03) | 19.67 (0.03) | |||||||||
g magnitude | 19.05 (0.009) | 19.05 (0.009) | 19.04 (0.02) | ||||||||||
r magnitude | 18.83 (0.009) | 18.83 (0.009) | 18.86 (0.02) | ||||||||||
i magnitude | 18.78 (0.01) | 18.79 (0.01) | 18.78 (0.02) | ||||||||||
z magnitude | 18.75 (0.03) | 18.75 (0.03) | 18.77 (0.04) | ||||||||||
G magnitude | 18.83 (0.02) | 18.86 | 18.83 | 18.83 (0.003) | |||||||||
BP magnitude | 19.07 (0.02) | 19.07 | |||||||||||
RP magnitude | 18.53 (0.03) | 18.50 | |||||||||||
Pan g magnitude | 19.05 (0.01) | 19.05 (0.01) | |||||||||||
Pan r magnitude | 18.83 (0.004) | 18.83 (0.005) | |||||||||||
Pan i magnitude | 18.79 (0.004) | 18.79 (0.004) | |||||||||||
Pan z magnitude | 18.81 (0.007) | 18.81 (0.006) | |||||||||||
Pan y magnitude | 18.77 (0.05) | 18.77 (0.05) | |||||||||||
E(B-V) | 0.005 |
* 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.