All names: 2MASS J04515375-2549146, TIC 626529, WD 0449-259, Gaia EDR3 4881672923991046400, GALEX J045153.7-254914, WDJ045153.75-254914.73, HE 0449-2554, EC 04498-2554, Gaia DR2 4881672923991046400, Gaia DR3 4881672923991046400
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Koester et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 51 53.71 (0.03) | 04 51 53.71 (0.03) | 04 51 53.71 | 04 51 53.75 (0.03) | 04 51 53.71 | 04 51 53.81 | ||||
| Declination | -25 49 14.85 (0.03) | -25 49 14.85 (0.04) | -25 49 14.85 | -25 49 14.73 (0.03) | -25 49 14.85 | -25 49 14.16 | ||||
| Spectral type | DBAZ | DZ | DBAZ | DBAZ4.1 | ||||||
| Effective temperature | [K] | 12200.0 | 9965.0 (81) | |||||||
| log(g) | [cgs] | 8.20 | 7.96 (0.01) | |||||||
| Mass | [M☉] | 0.557 (0.009) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | -7.2 | |||||||||
| 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] | 15.07 (0.05) | 15.02 (0.05) | 15.07 | 15.07 (0.05) | 15.02 (0.05) | ||||
| Distance | [pc] | 66.36 (0.2) | 66.58 (0.2) | 66.36 | 66.36 (0.2) | 66.58 (0.2) | ||||
| Composition | He | |||||||||
| Proper motion (right ascension) | [mas/yr] | -28.338996 (0.04) | -28.21446461 (0.08) | -28.339 (0.04) | -28.21446461 | |||||
| Proper motion (declination) | [mas/yr] | -7.601339572 (0.04) | -7.698393582 (0.09) | -7.601 (0.04) | -7.698393582 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.77 | |||||||||
| V magnitude | 16.71 | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.71 (0.2) | |||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.43 (0.003) | 16.46 | 16.43 | 16.43 (0.003) | 16.46 | |||||
| BP magnitude | 16.45 (0.003) | 16.43 | 16.43 | |||||||
| RP magnitude | 16.40 (0.004) | 16.39 | 16.39 | |||||||
| Pan g magnitude | 16.42 (0.005) | |||||||||
| Pan r magnitude | 16.56 (0.002) | |||||||||
| Pan i magnitude | 16.73 (0.003) | |||||||||
| Pan z magnitude | 16.91 (0.004) | |||||||||
| Pan y magnitude | 17.02 (0.008) | |||||||||
| 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.