All names: Gaia DR2 799278226781362048, WDJ093345.55+374350.18, Gaia DR3 799278226781362048, J0933+3743, SDSS J093345.57+374349.8, USNO-B1.0 1277-00218072, WD 0930+379, SDSS J093345.58+374349.8, LSPM J0933+3743, Gaia EDR3 799278226781362048
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 33 45.73 (0.1) | 09 33 45.72 (0.2) | 09 33 45.73 | 09 33 45.55 (0.1) | 09 33 45.72 | 09 33 44.93 | ||||||
Declination | 37 43 48.34 (0.1) | 37 43 48.40 (0.1) | 37 43 48.34 | 37 43 50.18 (0.1) | 37 43 48.40 | 37 43 45.12 | ||||||
Spectral type | DZA | DZA | DZA | DA | DZA | DZA9.3 | ||||||
Effective temperature | [K] | 5729.0 (33) | 5668.0 (35) | 5742.0 | 5731.0 (82) | |||||||
log(g) | [cgs] | 8.08 (0.02) | 8.06 (0.02) | 8.06 | 8.04 (0.03) | |||||||
Mass | [M☉] | 0.621 (0.01) | 0.611 (0.02) | 0.623 | 0.613 (0.03) | |||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 4.1500 | 2.9750 | |||||||||
log(H/He) | -1.0 | -1.0 | ||||||||||
log(C/He) | ||||||||||||
log(Ca/He) | -8.12 | -8.03 | ||||||||||
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] | 14.02 (0.1) | 14.16 (0.2) | 14.16 (0.2) | 14.02 | 14.02 (0.1) | 14.16 (0.2) | |||||
Distance | [pc] | 71.35 (0.8) | 70.62 (1) | 70.61 (1) | 71.35 | 71.35 (0.8) | 70.61 (1) | |||||
Composition | He | He | ||||||||||
Proper motion (right ascension) | [mas/yr] | 134.0212965 (0.1) | 134.126342 (0.3) | 134.021 (0.1) | 134.126342 | |||||||
Proper motion (declination) | [mas/yr] | -114.7867996 (0.1) | -114.8310225 (0.3) | -114.787 (0.1) | -114.8310225 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 18.90 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 18.60 | |||||||||||
I magnitude | ||||||||||||
J magnitude | 17.63 (0.04) | 17.63 (0.04) | ||||||||||
H magnitude | 17.37 (0.04) | 17.37 (0.04) | ||||||||||
K magnitude | 17.26 (0.04) | 17.26 (0.04) | ||||||||||
u magnitude | 20.45 (0.05) | 20.45 (0.05) | 20.45 (0.05) | 20.71 | ||||||||
g magnitude | 18.99 (0.009) | 18.99 (0.009) | 19.17 | |||||||||
r magnitude | 18.49 (0.008) | 18.49 (0.008) | 18.59 | |||||||||
i magnitude | 18.34 (0.01) | 18.34 (0.01) | 18.42 | |||||||||
z magnitude | 18.32 (0.02) | 18.32 (0.02) | 18.36 | |||||||||
G magnitude | 18.53 (0.02) | 18.56 | 18.53 | 18.53 (0.003) | 18.56 | |||||||
BP magnitude | 18.97 (0.02) | 18.91 | 18.91 | |||||||||
RP magnitude | 18.06 (0.02) | 18.03 | 18.03 | |||||||||
Pan g magnitude | 18.92 (0.005) | 18.92 (0.007) | ||||||||||
Pan r magnitude | 18.50 (0.005) | 18.50 (0.007) | ||||||||||
Pan i magnitude | 18.37 (0.005) | 18.37 (0.005) | ||||||||||
Pan z magnitude | 18.35 (0.007) | 18.35 (0.009) | ||||||||||
Pan y magnitude | 18.35 (0.02) | 18.35 (0.02) | ||||||||||
E(B-V) | 0.002 |
* 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.