All names: uvby98 600217731, BPM 17731, Gaia DR3 4779379172505736832, GALEX J041909.7-535045, EC 04179-5357, WD 0418-539, [BBW2000] FD 33, Gaia DR2 4779379172505736832, Gaia EDR3 4779379172505736832, HE 0417-5357, WDJ041909.91-535045.31, HE0417-5357, FAUST 544, GEN# +6.00217731, WD 0418-53
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Bergeron et al. 2011 | Voss et al. 2007 | Koester et al. 2001 | Wegner et al. 1987 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 19 09.84 (0.03) | 04 19 09.84 (0.03) | 04 19 10.00 | 04 19 09.84 | 04 19 09.91 (0.03) | 04 19 09.84 | 04 19 16.90 | |||||
| Declination | -53 50 47.10 (0.03) | -53 50 47.04 (0.04) | -53 50 46.00 | -53 50 47.10 | -53 50 45.31 (0.03) | -53 50 47.04 | -53 50 51.00 | |||||
| Spectral type | DB | DB | DB | DB | DB3 | |||||||
| Effective temperature | [K] | 19050.0 (464) | 18733.0 | 18785.0 (50) | 18000.0 | 20373.0 (325) | ||||||
| log(g) | [cgs] | 8.10 (0.06) | 7.94 | 8.13 (0.02) | 8.05 (0.01) | |||||||
| Mass | [M☉] | 0.66 (0.04) | 0.563 | 0.626 (0.01) | ||||||||
| log(Luminosity) | [L☉] | -1.77 | ||||||||||
| Cooling age | [Gyr] | 0.1122 | ||||||||||
| log(H/He) | <-4.58 (0.2) | |||||||||||
| log(C/He) | <-5.5 | |||||||||||
| log(Ca/He) | ||||||||||||
| 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] | 12.13 (0.03) | 12.11 (0.04) | 12.13 | 12.13 (0.03) | 12.11 (0.04) | ||||||
| Distance | [pc] | 82.41 (0.2) | 82.58 (0.3) | 76.00 | 82.41 | 82.41 (0.2) | 82.58 (0.3) | |||||
| Composition | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -38.06594875 (0.03) | -38.17409017 (0.07) | -38.066 (0.03) | -38.17409017 | |||||||
| Proper motion (declination) | [mas/yr] | -111.8163507 (0.04) | -111.8441087 (0.08) | -111.816 (0.04) | -111.8441087 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.12 | 15.10 | 15.17 | |||||||||
| V magnitude | 15.32 | 15.26 | ||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 15.27 (0.002) | 15.29 | 15.27 | 15.27 (0.003) | 15.29 | |||||||
| BP magnitude | 15.18 (0.002) | 15.14 | 15.14 | |||||||||
| RP magnitude | 15.43 (0.002) | 15.43 | 15.43 | |||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| 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.