All names: WDJ030059.52+543237.56, 2MASS J03005951+5432377, PM J03009+5432, Gaia EDR3 447366340472109440, J0300+5432, TIC 251487757, LSPM J0300+5432, GALEX J030059.6+543236, 03009+5432, Gaia DR2 447366340472109440, Gaia DR3 447366340472109440, PSO J045.2491+54.5430, USNO-B1.0 1445-00096045, Lan 303
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 00 59.81 (0.04) | 03 00 59.80 (0.05) | 03 00 59.81 | 03 00 59.52 (0.04) | 03 00 59.80 | ||||||||
| Declination | 54 32 34.86 (0.04) | 54 32 34.95 (0.05) | 54 32 34.86 | 54 32 37.56 (0.04) | 54 32 34.95 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 7650.0 (28) | 7520.0 (60) | 7570.0 | 7298.0 | 7780.0 (125) | 7638.0 (54) | ||||||
| log(g) | [cgs] | 8.05 (0.007) | 8.02 (0.02) | 8.03 | 7.92 | 8.23 (0.1) | 8.04 (0.01) | ||||||
| Mass | [M☉] | 0.627 (0.007) | 0.605 (0.01) | 0.611 | 0.53 | 0.74 (0.07) | 0.615 (0.01) | ||||||
| log(Luminosity) | [L☉] | -3.41 | |||||||||||
| Cooling age | [Gyr] | 1.3500 | 1.2990 (0.04) | 1.2920 | 1.2670 | ||||||||
| log(H/He) | |||||||||||||
| 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] | 20.63 (0.05) | 20.68 (0.07) | 20.68 (0.07) | 20.68 (0.07) | 20.63 | 20.63 (0.05) | 20.68 (0.07) | |||||
| Distance | [pc] | 48.48 (0.1) | 48.36 (0.2) | 48.35 (0.2) | 48.35 (0.2) | 43.70 (1) | 48.48 | 48.48 (0.1) | 48.35 (0.2) | ||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 158.391472 (0.05) | 158.527 (0.1) | 162.0 | 158.391 (0.05) | 158.52744 | |||||||
| Proper motion (declination) | [mas/yr] | -168.4359829 (0.06) | -168.235 (0.1) | -166.0 | -168.436 (0.06) | -168.2352529 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 17.00 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.50 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.10 (0.01) | 16.07 (0.07) | 16.07 | 16.07 (0.07) | |||||||||
| H magnitude | 15.92 (0.1) | 15.92 (0.1) | 15.92 | 15.92 (0.1) | |||||||||
| K magnitude | 15.93 (0.03) | 15.75 (0.2) | 15.75 | 15.75 (0.2) | |||||||||
| u magnitude | |||||||||||||
| g magnitude | 16.75 (0.002) | ||||||||||||
| r magnitude | 16.64 (0.004) | ||||||||||||
| i magnitude | 16.65 (0.004) | ||||||||||||
| z magnitude | 16.74 (0.01) | ||||||||||||
| G magnitude | 16.58 (0.003) | 16.60 | 16.58 | 16.58 (0.003) | 16.60 | ||||||||
| BP magnitude | 16.73 (0.003) | 16.72 | 16.72 | ||||||||||
| RP magnitude | 16.32 (0.006) | 16.32 | 16.32 | ||||||||||
| Pan g magnitude | 16.75 (0.002) | 16.75 (0.002) | 16.75 (0.002) | ||||||||||
| Pan r magnitude | 16.64 (0.004) | 16.64 (0.004) | 16.64 (0.004) | ||||||||||
| Pan i magnitude | 16.65 (0.004) | 16.65 (0.004) | 16.66 (0.004) | ||||||||||
| Pan z magnitude | 16.74 (0.01) | 16.74 (0.01) | 16.74 (0.01) | ||||||||||
| Pan y magnitude | 16.76 (0.007) | 16.76 (0.007) | 16.76 (0.007) | ||||||||||
| E(B-V) | 0.001 | ||||||||||||
* 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.