All names: USNO-A2.0 1200-07110226, J1333+3254, SDSS J133305.34+325360.0, SDSS J133305.34+325360.00, GALEX 2699672702652776758, SDSS J133305.34+325359.9, SDSS J133305.34+325400.0, Gaia EDR3 1469124246843402624, Gaia DR3 1469124246843402624, Gaia DR2 1469124246843402624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Coutu et al. 2019 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 33 05.37 (0.1) | 13 33 05.34 | 13 33 05.34 | 13 33 05.37 (0.2) | 13 33 05.37 | 13 33 05.34 (0.2) | 13 33 05.34 | |||||
| Declination | 32 53 59.70 (0.1) | 32 53 59.96 | 32 54 00.11 | 32 53 59.71 (0.1) | 32 53 59.70 | 32 54 00.11 (0.1) | 32 53 59.98 | |||||
| Spectral type | DBZ | DZ | DBZH | DBZH: | DZ | |||||||
| Effective temperature | [K] | 13845.0 | 12021.0 (492) | 12607.0 (685) | 13498.0 (286) | |||||||
| log(g) | [cgs] | 8.13 | 8.02 | 7.83 (0.1) | 8.25 (0.2) | |||||||
| Mass | [M☉] | 0.668 | 0.5979 | 0.494 (0.08) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3940 | ||||||||||
| log(H/He) | <-6.201 | <-6.0982 | ||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | -7.028 (0.09) | |||||||||||
| 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] | 3.32 (0.2) | 3.37 | 3.37 (0.3) | 3.32 | 3.37 (0.3) | ||||||
| Distance | [pc] | 301.47 (18) | 296.85 (23) | 296.85 (23) | 301.47 | 296.84 (23) | ||||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 23.16649664 (0.2) | 23.36247376 (0.3) | 23.362 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -25.19765262 (0.1) | -25.44284868 (0.2) | -25.443 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.40 (0.3) | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.60 (0.3) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.93 (0.02) | 18.93 (0.02) | 18.94 (0.03) | |||||||||
| g magnitude | 18.92 (0.009) | 18.92 (0.009) | 18.95 (0.02) | |||||||||
| r magnitude | 19.16 (0.01) | 19.16 (0.01) | 19.16 (0.02) | |||||||||
| i magnitude | 19.36 (0.02) | 19.36 (0.02) | 19.36 (0.02) | |||||||||
| z magnitude | 19.56 (0.06) | 19.56 (0.06) | 19.58 (0.06) | |||||||||
| G magnitude | 19.02 (0.02) | 19.07 | 19.02 | 19.07 (0.002) | ||||||||
| BP magnitude | 19.02 (0.02) | 18.98 | ||||||||||
| RP magnitude | 19.08 (0.03) | 19.06 | ||||||||||
| Pan g magnitude | 18.96 (0.01) | |||||||||||
| Pan r magnitude | 19.18 (0.006) | |||||||||||
| Pan i magnitude | 19.40 (0.01) | |||||||||||
| Pan z magnitude | 19.60 (0.02) | |||||||||||
| Pan y magnitude | 19.55 (0.1) | |||||||||||
| E(B-V) | 0.018 | |||||||||||
* 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.