All names: SDSS J033320.37+000720.70, WD 0330-000, [CDK2003] S-24, WIRED J033320.36+000720.6, Gaia DR2 3264551560189562112, SDSS J033320.38+000720.6, SDSS J033320.37+000720.6, SDSS J033320.39+000720.6, GALEX J033320.4+000720, Gaia EDR3 3264551560189562112, WDJ033320.37+000720.65, J0333+0007, SDSS J033320.36+000720.6, Gaia DR3 3264551560189562112, HE 0330-0002, 2MASS J03332035+0007210, TIC 453828065, SDSS J033320.37+000720.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD H | MWDD HE | Gaia DR2 | Stilism | Ferrario et al. 2015 | Kulebi et al. 2009 | Harris et al. 2003 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 33 20.46 (0.05) | 03 33 20.39 | 03 33 20.46 (0.06) | 03 33 20.46 (0.06) | 03 33 20.36 | 03 33 20.46 | 03 33 20.37 (0.05) | 03 33 20.46 | 03 33 20.38 | 03 33 19.78 | 03 33 20.37 | ||||||||||||
| Declination | 00 07 20.51 (0.05) | 00 07 20.66 | 00 07 20.52 (0.06) | 00 07 20.52 (0.06) | 00 07 20.60 | 00 07 20.51 | 00 07 20.66 (0.05) | 00 07 20.52 | 00 07 20.68 | 00 07 21.00 | 00 07 20.67 | ||||||||||||
| Spectral type | DAH | DAH | DAH | DA | DAH | DB:HP | DZ | DBH | WDpec | DBH | ?H | DBH | DZ | ||||||||||
| Effective temperature | [K] | 7546.0 (103) | 7857.0 (33) | 7412.6 (77) | 12750.0 | 9038.0 | 7476.0 | 7191.0 | 7000.0 | 6960.0 (56) | 10086.0 (16) | 10084.0 (14) | |||||||||||
| log(g) | [cgs] | 8.33 (0.03) | 8.43 (0.006) | 8.30 (0.03) | 9.41 | 8.62 | 8.31 | 8.21 | 8.00 (0) | 8.15 (0.01) | 8.32 (0.2) | 8.25 (0.1) | |||||||||||
| Mass | [M☉] | 0.801 (0.02) | 0.871 (0.006) | 1.328 | 0.978 | 0.789 | 0.705 | 0.671 (0.01) | |||||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||||||
| Cooling age | [Gyr] | 2.7500 | 2.3370 | 2.1330 | |||||||||||||||||||
| log(H/He) | -6.35 | ||||||||||||||||||||||
| log(C/He) | |||||||||||||||||||||||
| log(Ca/He) | |||||||||||||||||||||||
| log(Ca/H) | |||||||||||||||||||||||
| log(C/H) | |||||||||||||||||||||||
| log(N/H) | |||||||||||||||||||||||
| log(O/H) | |||||||||||||||||||||||
| log(Na/H) | |||||||||||||||||||||||
| log(Mg/H) | |||||||||||||||||||||||
| log(Al/H) | |||||||||||||||||||||||
| log(Si/H) | |||||||||||||||||||||||
| log(P/H) | |||||||||||||||||||||||
| log(S/H) | |||||||||||||||||||||||
| log(Sc/H) | |||||||||||||||||||||||
| log(Ti/H) | |||||||||||||||||||||||
| log(Cr/H) | |||||||||||||||||||||||
| log(Mn/H) | |||||||||||||||||||||||
| log(Fe/H) | |||||||||||||||||||||||
| log(Ni/H) | |||||||||||||||||||||||
| Parallax | [mas] | 28.19 (0.06) | 28.19 (0.06) | 28.26 (0.07) | 28.26 (0.07) | 28.26 (0.07) | 28.19 | 28.19 (0.06) | 28.26 (0.07) | ||||||||||||||
| Distance | [pc] | 35.47 (0.07) | 35.47 (0.08) | 35.39 (0.09) | 35.38 (0.09) | 35.38 (0.09) | 35.47 | 35.47 (0.07) | 35.38 (0.09) | ||||||||||||||
| Composition | H | H | H | ||||||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 88.53979937 (0.08) | 88.63574113 (0.1) | 88.54 (0.08) | 88.636 | ||||||||||||||||||
| Proper motion (declination) | [mas/yr] | -9.036784097 (0.06) | -8.953225637 (0.1) | -9.037 (0.06) | -8.953 | ||||||||||||||||||
| Variability | |||||||||||||||||||||||
| Magnetic | yes | yes | yes | yes | yes | ||||||||||||||||||
| Bd | [MG] | 849.3 (52) | 849.3 (52) | ||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||||
| Binarity | |||||||||||||||||||||||
| B magnitude | 16.80 | ||||||||||||||||||||||
| V magnitude | |||||||||||||||||||||||
| R magnitude | |||||||||||||||||||||||
| I magnitude | |||||||||||||||||||||||
| J magnitude | 15.93 (0.005) | 15.93 (0.005) | |||||||||||||||||||||
| H magnitude | 15.88 (0.01) | 15.88 (0.01) | |||||||||||||||||||||
| K magnitude | 15.84 (0.03) | 15.84 (0.03) | |||||||||||||||||||||
| u magnitude | 17.07 (0.009) | 17.03 (0.008) | 17.05 | 17.07 (0.009) | 17.05 (0.008) | 17.05 (0.02) | 17.02 | 17.08 (0.02) | |||||||||||||||
| g magnitude | 16.55 (0.004) | 16.53 | 16.55 (0.004) | 16.56 (0.004) | 16.53 (0.02) | 16.52 | 16.54 (0.02) | ||||||||||||||||
| r magnitude | 16.41 (0.005) | 16.45 | 16.41 (0.005) | 16.38 (0.004) | 16.44 (0.01) | 16.41 | 16.45 (0.01) | ||||||||||||||||
| i magnitude | 16.38 (0.006) | 16.38 | 16.38 (0.006) | 16.37 (0.004) | 16.38 (0.01) | 16.34 | 16.38 (0.01) | ||||||||||||||||
| z magnitude | 16.49 (0.009) | 16.48 | 16.49 (0.009) | 16.46 (0.009) | 16.48 (0.02) | 16.48 | 16.47 (0.02) | ||||||||||||||||
| G magnitude | 16.39 (0.006) | 16.41 | 16.41 | 16.39 | 16.39 (0.003) | 16.41 | |||||||||||||||||
| BP magnitude | 16.54 (0.006) | 16.54 | 16.54 | ||||||||||||||||||||
| RP magnitude | 16.11 (0.005) | 16.11 | 16.11 | ||||||||||||||||||||
| Pan g magnitude | 16.54 (0.01) | 16.54 (0.01) | |||||||||||||||||||||
| Pan r magnitude | 16.43 (0.03) | 16.43 (0.03) | |||||||||||||||||||||
| Pan i magnitude | 16.40 (0.001) | 16.40 (0.001) | |||||||||||||||||||||
| Pan z magnitude | 16.49 (0.006) | 16.49 (0.005) | |||||||||||||||||||||
| Pan y magnitude | 16.56 (0.005) | 16.56 (0.007) | |||||||||||||||||||||
| E(B-V) | 0.000 | ||||||||||||||||||||||
* 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.