All names: GALEX J101526.4+524214, USNO-B1.0 1427-00251019, [VV2006b] J101525.9+524219, [VV2010b] J101525.9+524219, SDSS J101526.43+524213.8, Gaia DR3 851354950059360640, SDSS J101526.56+524212.7, SBSS 1012+529, [VV2003b] J101525.9+524219, SDSS J101526.42+524213.8, Gaia EDR3 851354950059360640, SDSS J101526.56+524212.74, Gaia DR2 851354950059360640
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2016 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 15 26.60 (0.05) | 10 15 26.43 | 10 15 26.59 (0.06) | 10 15 26.60 | 10 15 26.41 (0.05) | ||||||||
Declination | 52 42 12.53 (0.05) | 52 42 13.81 | 52 42 12.58 (0.1) | 52 42 12.53 | 52 42 14.00 (0.05) | ||||||||
Spectral type | DB | DB | DB | DB | DB | ||||||||
Effective temperature | [K] | 11220.0 | 11157.0 | 10709.0 | 11250.0 (110) | 11067.0 (154) | |||||||
log(g) | [cgs] | 8.04 | 8.20 | 8.14 | 8.78 (0.1) | 8.16 (0.02) | |||||||
Mass | [M☉] | 0.606 | 0.709 | 0.666 | 0.684 (0.02) | ||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 0.6401 | |||||||||||
log(H/He) | -5.734 | ||||||||||||
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] | 9.24 (0.07) | 9.44 (0.1) | 9.24 | 9.24 (0.07) | ||||||||
Distance | [pc] | 108.22 (0.9) | 105.97 (1) | 108.22 | 108.22 (0.9) | ||||||||
Composition | He | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 108.5180597 (0.07) | 108.4874019 (0.1) | 108.518 (0.07) | |||||||||
Proper motion (declination) | [mas/yr] | -91.99983165 (0.07) | -92.09953312 (0.2) | -92.0 (0.07) | |||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | 17.20 | ||||||||||||
V magnitude | 16.00 | ||||||||||||
R magnitude | 16.90 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 17.44 (0.01) | 17.45 (0.02) | 17.45 (0.01) | ||||||||||
g magnitude | 17.33 (0.005) | 17.35 (0.02) | 17.34 (0.005) | ||||||||||
r magnitude | 17.49 (0.005) | 17.49 (0.03) | 17.49 (0.005) | ||||||||||
i magnitude | 17.66 (0.007) | 17.67 (0.02) | 17.66 (0.007) | ||||||||||
z magnitude | 17.90 (0.02) | 17.89 (0.02) | 17.90 (0.02) | ||||||||||
G magnitude | 17.39 (0.006) | 17.42 | 17.39 | 17.39 (0.003) | |||||||||
BP magnitude | 17.41 (0.006) | 17.37 | |||||||||||
RP magnitude | 17.38 (0.01) | 17.36 | |||||||||||
Pan g magnitude | 17.39 (0.008) | ||||||||||||
Pan r magnitude | 17.50 (0.003) | ||||||||||||
Pan i magnitude | 17.68 (0.002) | ||||||||||||
Pan z magnitude | 17.87 (0.007) | ||||||||||||
Pan y magnitude | 17.95 (0.01) | ||||||||||||
E(B-V) | 0.009 |
* 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.