All names: Gaia EDR3 1025060156406334336, SDSS J093429.98+565533.50, SDSS J093429.98+565533.4, Gaia DR3 1025060156406334336, Gaia DR2 1025060156406334336, GALEX J093429.9+565534, SDSS J093429.98+565533.5
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 34 30.00 (0.5) | 09 34 29.98 | 09 34 30.00 (1) | 09 34 29.98 (0.5) | 09 34 29.98 | 09 34 29.98 | ||||||
Declination | 56 55 33.41 (0.4) | 56 55 33.47 | 56 55 33.41 (0.8) | 56 55 33.43 (0.4) | 56 55 33.48 | 56 55 33.47 | ||||||
Spectral type | DB | DB | SDB+M: | DB | ||||||||
Effective temperature | [K] | 13950.0 | 13096.0 | 10814.0 | 13759.0 (530) | 13397.0 (605) | ||||||
log(g) | [cgs] | 7.87 | 7.08 | 6.67 | 7.48 (0.4) | 7.75 (0.6) | ||||||
Mass | [M☉] | 0.516 | 0.233 | 0.145 | 0.455 (0.3) | |||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | |||||||||||
log(H/He) | <-5.994 | |||||||||||
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] | 1.39 (0.7) | 0.95 (1) | 1.39 (0.7) | ||||||||
Distance | [pc] | 718.21 (337) | 1054.00 (1086) | 718.18 (337) | ||||||||
Composition | He | |||||||||||
Proper motion (right ascension) | [mas/yr] | 10.13866068 (0.6) | 8.801584113 (3) | 10.139 (0.6) | 7.2 | |||||||
Proper motion (declination) | [mas/yr] | -1.16426322 (0.6) | -1.041117867 (2) | -1.164 (0.6) | -2.0 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | WDMS | |||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 20.43 (0.05) | 20.42 (0.05) | 20.38 (0.06) | 20.37 (0.05) | ||||||||
g magnitude | 20.35 (0.02) | 20.35 (0.03) | 20.36 (0.03) | 20.37 (0.03) | ||||||||
r magnitude | 20.60 (0.04) | 20.60 (0.04) | 20.61 (0.04) | 20.61 (0.04) | ||||||||
i magnitude | 20.75 (0.06) | 20.74 (0.07) | 20.76 (0.07) | 20.76 (0.07) | ||||||||
z magnitude | 20.68 (0.2) | 20.61 (0.2) | 20.63 (0.2) | 20.63 (0.2) | ||||||||
G magnitude | 20.41 (0.06) | 20.49 | 20.41 (0.006) | |||||||||
BP magnitude | 20.55 (0.06) | 20.28 | ||||||||||
RP magnitude | 20.10 (0.1) | 20.30 | ||||||||||
Pan g magnitude | 20.35 (0.02) | |||||||||||
Pan r magnitude | 20.56 (0.02) | |||||||||||
Pan i magnitude | 20.74 (0.03) | |||||||||||
Pan z magnitude | 20.94 (0.06) | |||||||||||
Pan y magnitude | ||||||||||||
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.