All names: UCAC4 711-033367, KPD 0420+5203, WDJ042415.74+521010.64, Gaia DR3 271992414775824640, WISEA J042415.70+521010.6, TIC 470444880, Gaia DR2 271992414775824640, Gaia EDR3 271992414775824640, 2MASS J04241572+5210105, WD 0420+520, WISE J042415.70+521010.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 24 15.68 (0.03) | 04 24 15.68 (0.04) | 04 24 15.68 | 04 24 15.74 (0.03) | 04 24 15.68 | 04 24 10.90 | ||||
| Declination | 52 10 10.51 (0.02) | 52 10 10.51 (0.03) | 52 10 10.51 | 52 10 10.64 (0.02) | 52 10 10.51 | 52 10 00.48 | ||||
| Spectral type | DA | DA | DA2.1 | DA | ||||||
| Effective temperature | [K] | 23950.0 (353) | 21780.0 (227) | |||||||
| log(g) | [cgs] | 8.10 (0.04) | 8.05 (0.009) | |||||||
| Mass | [M☉] | 0.69 (0.03) | 0.658 (0.007) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| 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] | 13.69 (0.03) | 13.73 (0.05) | 13.69 | 13.69 (0.03) | 13.73 (0.05) | ||||
| Distance | [pc] | 73.04 (0.2) | 72.84 (0.2) | 77.00 | 73.04 | 73.04 (0.2) | 72.84 (0.2) | |||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -35.70180862 (0.04) | -35.60765168 (0.07) | -35.702 (0.04) | -35.60765168 | |||||
| Proper motion (declination) | [mas/yr] | -8.101875464 (0.03) | -8.078120391 (0.05) | -8.102 (0.03) | -8.078120391 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.87 (0.06) | |||||||||
| V magnitude | 15.01 (0.09) | |||||||||
| R magnitude | 15.41 (0.05) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.59 (0.06) | |||||||||
| H magnitude | 15.76 (0.2) | |||||||||
| K magnitude | 15.28 (0.2) | |||||||||
| u magnitude | ||||||||||
| g magnitude | 14.83 (0.09) | |||||||||
| r magnitude | 15.20 (0.04) | |||||||||
| i magnitude | 15.59 (0) | |||||||||
| z magnitude | ||||||||||
| G magnitude | 15.03 (0.001) | 15.05 | 15.03 | 15.03 (0.003) | 15.05 | |||||
| BP magnitude | 14.93 (0.001) | 14.91 | 14.91 | |||||||
| RP magnitude | 15.23 (0.002) | 15.23 | 15.23 | |||||||
| Pan g magnitude | 14.90 (0.003) | |||||||||
| Pan r magnitude | 15.24 (0.004) | |||||||||
| Pan i magnitude | 15.55 (0.002) | |||||||||
| Pan z magnitude | 15.83 (0.003) | |||||||||
| Pan y magnitude | 15.99 (0.006) | |||||||||
| E(B-V) | 0.002 | |||||||||
* 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.