All names: SDSS J153032.05+004509.1, Gaia EDR3 4417755428830608512, WD 1527+009, Gaia DR2 4417755428830608512, Gaia DR3 4417755428830608512, SDSS J153032.04+004509.0, GALEX J153032.0+004508, SDSS J153032.05+004509.0
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD HE | Gaia DR2 | Stilism | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 30 31.98 (0.1) | 15 30 32.05 | 15 30 31.99 (0.2) | 15 30 31.98 | 15 30 32.05 (0.1) | 15 30 32.05 | 15 30 31.99 | 15 30 32.05 | ||||||
Declination | 00 45 08.46 (0.1) | 00 45 09.01 | 00 45 08.48 (0.1) | 00 45 08.46 | 00 45 09.02 (0.1) | 00 45 09.05 | 00 45 05.40 | 00 45 09.01 | ||||||
Spectral type | DB: | DB: | DC: | DC | DC | DC | DC | DB | ||||||
Effective temperature | [K] | 10448.0 | 10006.0 (379) | 11853.0 (229) | 11661.0 (270) | |||||||||
log(g) | [cgs] | 7.92 | 7.83 (0.07) | 8.76 (0.2) | 8.46 (0.2) | |||||||||
Mass | [M☉] | 0.536 | 0.488 (0.05) | |||||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.4995 | ||||||||||||
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] | 6.26 (0.1) | 6.05 (0.2) | 6.26 | 6.26 (0.1) | |||||||||
Distance | [pc] | 159.65 (3) | 165.38 (5) | 159.65 | 159.66 (3) | |||||||||
Composition | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -59.13225612 (0.2) | -58.88635326 (0.4) | -59.132 (0.2) | ||||||||||
Proper motion (declination) | [mas/yr] | -34.89198595 (0.1) | -34.7580839 (0.4) | -34.892 (0.1) | ||||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | ||||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | 18.17 (0.01) | 18.15 | 18.17 (0.01) | 18.18 (0.01) | 18.16 | 18.17 (0.01) | ||||||||
g magnitude | 18.10 (0.006) | 18.11 | 18.10 (0.006) | 18.12 (0.01) | 18.12 | 18.11 (0.01) | ||||||||
r magnitude | 18.22 (0.008) | 18.21 | 18.23 (0.008) | 18.23 (0.02) | 18.23 | 18.23 (0.02) | ||||||||
i magnitude | 18.37 (0.01) | 18.32 | 18.37 (0.01) | 18.34 (0.01) | 18.34 | 18.34 (0.01) | ||||||||
z magnitude | 18.58 (0.04) | 18.51 | 18.58 (0.04) | 18.55 (0.03) | 18.54 | 18.55 (0.03) | ||||||||
G magnitude | 18.12 (0.02) | 18.15 | 18.12 | 18.12 (0.003) | ||||||||||
BP magnitude | 18.16 (0.02) | 18.13 | ||||||||||||
RP magnitude | 18.03 (0.03) | 18.08 | ||||||||||||
Pan g magnitude | 18.11 (0.006) | |||||||||||||
Pan r magnitude | 18.24 (0.004) | |||||||||||||
Pan i magnitude | 18.39 (0.004) | |||||||||||||
Pan z magnitude | 18.55 (0.01) | |||||||||||||
Pan y magnitude | 18.66 (0.01) | |||||||||||||
E(B-V) | 0.034 |
* 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.