All names: SDSS J145058.50+520312.2, SDSS J145058.49+520312.1, SBSS 1449+522, WD 1449+522, Gaia DR2 1593661741328310656, Gaia EDR3 1593661741328310656, SDSS J145058.50+520312.0, SDSS J145058.50+520311.9, Gaia DR3 1593661741328310656, GALEX J145058.5+520311, WIRED J145058.50+520311.9, SDSS J145058.49+520311.9
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 50 58.41 (0.1) | 14 50 58.50 | 14 50 58.42 (0.2) | 14 50 58.41 | 14 50 58.52 (0.1) | 14 50 58.50 | 14 50 58.63 | 14 50 58.50 | ||||
| Declination | 52 03 11.65 (0.1) | 52 03 11.95 | 52 03 11.66 (0.2) | 52 03 11.65 | 52 03 11.77 (0.1) | 52 03 11.95 | 52 03 05.76 | 52 03 11.95 | ||||
| Spectral type | DA | DA | DA | DA+M: | DA dM | DA | DA | |||||
| Effective temperature | [K] | 21370.0 (810) | 19757.0 (1640) | 19905.0 (409) | 19945.0 (426) | |||||||
| log(g) | [cgs] | 7.57 (0.1) | 7.70 (0.1) | 7.36 (0.08) | 7.38 (0.08) | |||||||
| Mass | [M☉] | 0.44 (0.04) | 0.472 (0.07) | 0.402 (0.02) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0589 | ||||||||||
| 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] | 2.06 (0.2) | 1.79 (0.2) | 2.06 | 2.06 (0.2) | |||||||
| Distance | [pc] | 484.50 (37) | 558.91 (64) | 484.50 | 484.50 (37) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -61.19946351 (0.2) | -60.61855977 (0.3) | -61.199 (0.2) | -47.3 | |||||||
| Proper motion (declination) | [mas/yr] | -7.366780968 (0.2) | -7.860049176 (0.4) | -7.367 (0.2) | -13.5 | |||||||
| 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 | 18.72 (0.02) | 18.70 (0.02) | 18.74 (0.04) | 18.74 | 18.74 (0.04) | |||||||
| g magnitude | 18.59 (0.008) | 18.59 (0.008) | 18.70 (0.03) | 18.70 | 18.69 (0.03) | |||||||
| r magnitude | 18.68 (0.01) | 18.67 (0.01) | 18.93 (0.02) | 18.93 | 18.93 (0.02) | |||||||
| i magnitude | 18.69 (0.01) | 18.69 (0.01) | 19.04 (0.02) | 19.04 | 19.04 (0.02) | |||||||
| z magnitude | 18.60 (0.03) | 18.60 (0.03) | 18.95 (0.04) | 18.95 | 18.94 (0.05) | |||||||
| G magnitude | 18.95 (0.02) | 18.99 | 18.95 | 18.95 (0.004) | ||||||||
| BP magnitude | 18.78 (0.02) | 18.65 | ||||||||||
| RP magnitude | 18.70 (0.04) | 18.58 | ||||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| E(B-V) | 0.020 | |||||||||||
* 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.