All names: Gaia DR2 3745328275158509696, GALEX J133439.6+155948, SDSS J133439.60+155948.80, TIC 409370196, WD 1332+162, SDSS J133439.60+155948.8, Gaia EDR3 3745328275158509696, SDSS J133439.60+155948.7, LAMOST J133439.57+155949.0, LAMOST J133439.58+155949.0, Gaia DR3 3745328275158509696, 2MASS J13343964+1559486, PG 1332+163, PB 3990
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | Gaia DR2 | Stilism | Koester & Kepler 2015 | Bergeron et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 13 34 39.53 (0.04) | 13 34 39.60 | 13 34 39.53 (0.05) | 13 34 39.53 | 13 34 39.64 (0.04) | 13 34 39.10 | 13 34 39.60 | ||||||||
Declination | 15 59 48.94 (0.03) | 15 59 48.78 | 15 59 48.93 (0.04) | 15 59 48.94 | 15 59 48.57 (0.03) | 15 59 45.96 | 15 59 48.77 | ||||||||
Spectral type | DBA | DB | DBA | DB3 | DBA | DB | |||||||||
Effective temperature | [K] | 17023.0 | 16850.0 | 16834.0 (47) | 16790.0 (424) | 16526.0 (340) | 16947.0 (63) | ||||||||
log(g) | [cgs] | 8.13 | 8.04 | 7.97 (0.03) | 8.17 (0.08) | 8.01 (0.02) | 8.13 (0.03) | ||||||||
Mass | [M☉] | 0.67 | 0.618 | 0.7 (0.05) | 0.596 (0.02) | ||||||||||
log(Luminosity) | [L☉] | -2.04 | |||||||||||||
Cooling age | [Gyr] | 0.1905 | |||||||||||||
log(H/He) | -5.003 | -4.82 (0.2) | -5.09 (0.3) | ||||||||||||
log(C/He) | |||||||||||||||
log(Ca/He) | <-6.55 | ||||||||||||||
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] | 8.96 (0.05) | 8.98 (0.07) | 8.96 | 8.96 (0.05) | ||||||||||
Distance | [pc] | 111.66 (0.6) | 111.34 (0.9) | 114.00 | 87.00 | 111.66 | 111.66 (0.6) | ||||||||
Composition | He | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | -94.51169031 (0.05) | -94.65911262 (0.1) | -94.512 (0.05) | |||||||||||
Proper motion (declination) | [mas/yr] | 23.07381647 (0.03) | 23.22453176 (0.07) | 23.074 (0.03) | |||||||||||
Variability | |||||||||||||||
Magnetic | |||||||||||||||
Bd | [MG] | ||||||||||||||
Infrared excess (disk) | |||||||||||||||
Binarity | |||||||||||||||
B magnitude | 15.98 | ||||||||||||||
V magnitude | 15.98 | ||||||||||||||
R magnitude | |||||||||||||||
I magnitude | |||||||||||||||
J magnitude | 16.64 (0.2) | ||||||||||||||
H magnitude | |||||||||||||||
K magnitude | |||||||||||||||
u magnitude | 16.04 (0.006) | 16.04 (0.006) | 15.98 (0.02) | ||||||||||||
g magnitude | 16.14 (0.004) | 16.14 (0.004) | 16.21 (0.01) | ||||||||||||
r magnitude | 16.45 (0.005) | 16.45 (0.005) | 16.46 (0.02) | ||||||||||||
i magnitude | 16.73 (0.006) | 16.73 (0.006) | 16.71 (0.02) | ||||||||||||
z magnitude | 16.95 (0.01) | 16.95 (0.01) | 16.96 (0.02) | ||||||||||||
G magnitude | 16.29 (0.002) | 16.32 | 16.29 | 16.29 (0.003) | |||||||||||
BP magnitude | 16.22 (0.002) | 16.20 | |||||||||||||
RP magnitude | 16.41 (0.003) | 16.41 | |||||||||||||
Pan g magnitude | 16.18 (0.005) | ||||||||||||||
Pan r magnitude | 16.47 (0.003) | ||||||||||||||
Pan i magnitude | 16.75 (0.006) | ||||||||||||||
Pan z magnitude | 16.96 (0.008) | ||||||||||||||
Pan y magnitude | 17.10 (0.01) | ||||||||||||||
E(B-V) | 0.006 |
* 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.